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Codiac Project: Description

ARCSS

Datasets

370 datasets were found for the ARCSS project. Full dataset descriptions are available by selecting the dataset title. Display datasets in groups.

14C Measurements in Large-Volume Ice Samples from Pakitsoq, West Greenland
>This dataset contains measurements of 14CH4, 14CO and 14CO2 in large-volume ancient air samples extracted from glacial ice at the Pakitsoq site, West Greenland. The main objective of the project was to measure 14C in past atmospheric CH4 over the...
A Half-Century of Change in Arctic Alaskan Shrubs: A Photographic-Based Assessment
> In this study, the locations of 193 old aerial photographs of northern Alaskan landscapes were rephotographed and assessed for changes in vegetation. The original photographs were taken over northern Alaska between 1948 and 1951, and the new...
ARCSS Surface Air Temperature (ARCSS-SAT) Analysis
>This data set contains the analysis of the best estimate of surface air temperature (SAT) over the Arctic Ocean in 12-hourly gridded fields from 1979-2008. The gridded fields are based on >in situ> observations from manned drifting stations, and...
ARCSS-LAII 1996 Aircraft Radiometric Data
>This dataset contains radiometric data over the Kuparuk River basin on the North Slope of Alaska collected using the National Oceanic and Atmospheric Administration (NOAA) Long-EZ and Cessna 206 light aircraft during the summer of 1996,. The area...
ART-Russia River Temperature
>This data set covers 20 gauges in 17 unique Arctic Ocean drainage basins in the Russian pan-Arctic (ART-Russia). Warm season 10-day time step data (decades) were collected from Russian archival sources covering a period from 1929 to 2003 with most...
Actinic Flux measurements during OASIS Barrow field intensive Spring 2009
>A measurement intensive campaign was carried out in Barrow, Alaska, in spring 2009 as part of the Ocean Atmosphere Sea Ice Snowpack (OASIS) program. The central focus of this campaign was the role of halogen chemistry in the Arctic. This dataset...
Active Layer Depth and Snow Depth, Kuparuk Basin, 1995
Active layer and snow depths were measured on 1-km x 1-km grids within the Kuparuk Basin, Alaska, at various times throughout the summer of 1995. The parameters were measured at 121 surveyed grid nodes spaced at 100 m at the following locations: Atqasuk,...
Adaptive long-term fasting in land and ice-bound polar bears: Data Table
>The data sets in the data table have been collected as part of a project to understand how reduced sea ice cover in the Arctic will impact polar bear populations. Bears that stay ashore in summer have almost no access to food and tend to be inactive....
Aerial Photographs from Columbia Glacier, 1976-2010
>Aerial stereophotography missions were flown at least once every year over the Columbia Glacier in 1976-2010, and documented further in the Aerial Inventory. Flight data include all existing scans of the large format diapositives and their derived...
Aerosol measurements during OASIS Barrow field intensive Spring 2009
>The NCAR "Particle Size Distribution" (PSD) instrument consists of three instruments that measure the size distribution of the ambient aerosol from 3 nm to 2 microns. General specifications for the instrument during Ocean-Atmosphere-Sea Ice...
Agashashok Microclimate
>This dataset includes hourly measurements of air temperature, relative humidity, wind speed, precipitation, soil temperature and soil water content collected in support of a project designed to examine the controls on gas exchange physiology and...
Agashashok White Spruce Branch Growth 2005-2008
>This dataset includes retrospective measurements of white spruce branch extension growth (mm) made at breast height (4 measurements from each tree) during late August of 2008. Annual growth increments were identified using bud scars and measurements...
Agashashok White Spruce Needle Gas Exchange 2007-2008
>This dataset includes measurements of white spruce needle gas exchange made under conditions of saturating light, ambient CO2 and optimum temperature. Also included are needle C and N concentrations and needle d15N and d13C. Measurements were made at...
Air Temperature and Thaw Depth, North Slope, Alaska: Field Measurements (1995-97) and Computed Values
>This data product contains field data measurements of air temperatures and thaw depth (active-layer thickness) measured at locations in north-central Alaska, and modeled values of air temperatures and thaw depth extrapolated to an area encompassing...
Air and Ground Surface Temperatures From the Kuparuk Basin, Alaska, 1994-1996
This dataset includes air and ground surface temperatures from 31 sites in the Kuparuk Basin, Alaska, between 1994 and 1996. The temperatures were measured using inexpensive miniature data loggers and a simplified instrument mounting system. The system...
Air and Soil Temperatures from Sites in Alaska 1995-2001
>This data set consists of air and soil temperatures from various sites in Alaska between 1995 and 2001. Data loggers recorded soil temperatures at 1 cm below the ground or snow surface, and air temperatures at 1.6 m above the surface. Temperatures are...
Alaska North Slope (Sagavanirktok River) Meteorological Data, 1994 and 1995
>This dataset contains meteorological, soil and vegetation data collected in 1994 and 1995 from a site adjacent to the Sag River (Slope Mountain) Alaska Department of Transportation Maintenance Camp at mile 306 on the Dalton Highway (pipeline Haul Road...
Alaska North Slope 100 m Digital Elevation Model (DEM)
>This data set is a 100-m resolution Digital Elevation Model (DEM) for the Brooks Range and the North Slope of Alaska. The DEM was created by merging 100 National Elevation Dataset DEM tiles for areas of Alaska north of 67 degrees north latitude. A...
Alaskan Air, Ground, Snow, and Soil Temperatures, 1998-2001
>This data set contains air and ground temperature measurements collected from three different regions, each with multiple sites. The regions sampled are North Slope, Council, and Ivotuk. Measurements were taken as part of the Land-Atmosphere-Ice...
Alaskan Lake Database Mapped from Landsat Images
> The lake map for the State of Alaska was generated from selected Landsat acquired during summer seasons of circa 2000. Nearly 400 30-m resolution Enhanced Thematic Mapper Plus (ETM+) images were used to produce the lake map. The database contains...
Albedo of ice types in northeast Greenland's ablation zone
>Ice types, albedos and impurity content are characterized for the ablation zone of the Greenland ice sheet in Kronprinz Christians Land (808 N, 248 W). Along this ice margin the width of the ablation zone is only about 8 km. The emergence and melting...
An Analysis of the Carbon Balance of the Arctic Basin from 1997 to 2006
>These data sets are the results of a model-data analysis of the contemporary C balance of the Arctic system. CO2 and CH4 exchange between the terrestrial ecosystems of the basin and the atmosphere, along with the export of dissolved organic C (DOC) to...
Analyses of Fe oxide detrital grains in Arctic sediment cores
>This project analyzed high resolution sediment records from the Alaskan Arctic margin for paleoclimate. It used cores collected in both 2002 and 2005 by United States Coast Guard Cutter Healy (United States Coast Guard Cutter (USCGC) Healy). Note:...
Arctic Cyclone Track Data Set, 1966-1993
This data set comprises a 28-year record (1 May 1966 through 31 December 1993) of twice-daily extra tropical cyclone statistics for the Northern Hemisphere. Data were obtained from application of the updated Serreze (1995) algorithm to National...
Arctic Global Radiation (AGR) Data Set
>Radiation data were compiled and computed from many sources in the Arctic to produce a two-part Arctic Global Radiation (AGR) data set. The first part includes a time series of monthly fluxes from land stations, ocean drifting stations and empirically...
Arctic Infrared Satellite Composite Imagery
>This dataset contains infrared (~11.0 microns) Arctic satellite composite imagery. The Arctic composites were made every three hours (synoptic hour) creating a total of eight images per day. More recently, Arctic composites were created every hour for...
Arctic Longwave Infrared Satellite Composite Imagery
>This dataset contains longwave infrared (~12.0 microns) Arctic satellite composite imagery. The Arctic composites are made every three hours (synoptic hour) creating a total of eight images per day. Most input satellite observations included in the...
Arctic Ocean Barium Concentrations, 1993
This data set includes measurements of barium concentrations in samples collected during five oceanographic cruises in the Arctic Ocean in 1993. Investigators collected water samples with Niskin, 10-L BIO, and high-density polyethylene (HDPE) bottles....
Arctic Ocean Section Porewater Chemistry Data, 1994
>This data set contains data collected during the joint Canadian-U.S. Arctic Ocean Section 1994 cruise in the central Arctic ocean. The purpose of the research was to provide the first description of porewater chemistry and diagenetic processes in near...
Arctic Shortwave Infrared Satellite Composite Imagery
>This dataset contains shortwave infrared (~3.8 microns) Arctic satellite composite imagery. The Arctic composites are made every three hours (synoptic hour) creating a total of eight images per day. Most input satellite observations included in the...
Arctic Visible Band Satellite Composite Imagery
>This dataset contains visible (~0.65 microns) Arctic satellite composite imagery. The Arctic visible composites are created every hour for a total of 24 images per day. Most input satellite observations included in the composite were procured within...
Arctic Water Vapor Channel Satellite Composite Imagery
>This dataset contains water vapor (~6.7 microns) Arctic satellite composite imagery. The Arctic composites are made every three hours (synoptic hour) creating a total of eight images per day. Most input satellite observations included in the composite...
Arctic snow black carbon concentrations, and absorption by other light-absorbing aerosol
>These data give estimates of black carbon (BC) mixing ratios from samples of snow or melting sea ice gathered by ourselves or by volunteers, mostly from 2006 to 2009 but with some data from earlier years. Almost all samples were collected in the...
ArcticRIMS: 2m Air Temperature From ERA-40 Re-Analysis , Aggregated by Administrative Regions
>This data set provides estimates of daily mean two meter air temperature from the European Center for Medium Range Weather Forecasts (ECMWF) ERA-40 Reanalysis (ECMWF 2002). Data cover the period 1 January 1979 to 31 August 2002. Data were obtained...
ArcticRIMS: 2m Air Temperature From ERA-40 Re-analysis
>This data set provides estimates of daily mean two meter air temperature from the European Center for Medium Range Weather Forecasts (ECMWF) ERA-40 Reanalysis (ECMWF 2002). Data cover the period 1 January 1979 to 31 August 2002. Data were obtained...
ArcticRIMS: A Regional, Integrated Hydrological Monitoring System for the Pan-Arctic Landmass
The Arctic Rapid Integrated Monitoring System (ArcticRIMS) uses products from numerical weather prediction models (NCEP/NCAR, ERA-40, station records, satellite remote sensing, and other data sets) in conjunction with an atmosphere-land surface water...
ArcticRIMS: Daily Precipitation From Monthly Station Records And Disaggregation
>This data set, spanning the period 1980-2008, is assembled from (1) interpolation of observed monthly totals from available station records with bias adjustments (2) disaggregation of the monthly totals to daily totals, making use of daily...
ArcticRIMS: Daily Precipitation From Statistical Reconstructions
Providing rapid updates of gridded precipitation fields is difficult due to the degradation of the station network. Starting about 1990, many stations in the Former Soviet Union (FSU) and Canada closed. Canada is also seeing a trend toward automation. In...
ArcticRIMS: Daily Precipitation From Statistical Reconstructions , Aggregated by Administrative Regions
>Providing rapid updates of gridded precipitation fields is difficult due to the degradation of the station network. Starting about 1990, many stations in the Former Soviet Union (FSU) and Canada closed. Canada is also seeing a trend toward automation....
ArcticRIMS: Daily Precipitation, From Monthly Station Records And Disaggregation, Aggregated by Administrative Regions
>This data set, spanning the period 1980-2008, is assembled from (1) interpolation of observed monthly totals from available station records with bias adjustments (2) disaggregation of the monthly totals to daily totals, making use of daily...
ArcticRIMS: Daily Simulated Runoff From Pan-Arctic Water Balance Model , Aggregated by Administrative Regions
>Daily runoff is generated using the Pan-Arctic Water Balance Model (P/WBM) [Rawlins et al., 2003]. The P/WBM simulates the high-latitude water cycle by utilizing gridded fields of plant rooting depth, soil characteristics (texture, organic content),...
ArcticRIMS: Daily Simulated runoff from Pan-Arctic Water Balance Model
>Daily runoff is generated using the Pan-Arctic Water Balance Model (P/WBM) [Rawlins et al., 2003]. The P/WBM simulates the high-latitude water cycle by utilizing gridded fields of plant rooting depth, soil characteristics (texture, organic content),...
ArcticRIMS: Daily Temperature, Topographically Adjusted
>This dataset contains Topographically Adjusted Daily Temperature data. National Centers for Environmental Prediction (NCEP) sigma 0.995 level temperature [K] with topography correction, new Rapid Integrated Monitoring System (RIMS) landmask with 39926...
ArcticRIMS: Daily Temperature, Topographically Adjusted, Aggregated by Administrative Regions
>This dataset contains Daily Temperature Data, Topographically Adjusted, Aggregated by Administrative Regions. National Centers for Environmental Prediction (NCEP) sigma 0.995 level temperature [K] with topography correction, new Rapid Integrated...
ArcticRIMS: Daily Thaw Depth And Frozen Ground Depth, Aggregated by Administrative Regions
>Daily thaw depth and frozen ground depth are calculated using a frozen ground model. Oelke et al. [2003] provide details.> >The data are presented in 24 sub-datasets of different spatial and temporal aggregations....
ArcticRIMS: Daily Thaw Depth And Frozen Ground Depth, Based on ERA-40 2-meter, Aggregated by Administrative Regions
>Daily thaw depth and frozen ground depth are calculated using a frozen ground model. Oelke et al. [2004] provide details, while also referring to [Oelke et al., 2003]. Thaw depth and frozen ground are calculated using different initial model settings....
ArcticRIMS: Daily Thaw Depth and Frozen Ground Depth
Daily thaw depth and frozen ground depth are calculated using a frozen ground model. Oelke et al. [2003] provide details. > The data is presented in 24 sub-datasets of different spatial and temporal aggregations....
ArcticRIMS: Daily Thaw Depth and Frozen Ground Depth, Based on ERA-40 2-meter
Daily thaw depth and frozen ground depth are calculated using a frozen ground model. Oelke et al. [2004] provide details, while also referring to [Oelke et al., 2003]. Thaw depth and frozen ground are calculated using different initial model settings. In...
ArcticRIMS: NCEP Reanalysis LongWaveDown Radiation
>This dataset contains NCEP Reanalysis LongWaveDown Radiation data. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data,...
ArcticRIMS: NCEP Reanalysis LongWaveDown Radiation, Aggregated by Administrative Regions
>This dataset contains NCEP Reanalysis LongWaveDown Radiation Data, Aggregated by Administrative Regions. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric...
ArcticRIMS: NCEP Reanalysis LongWaveNet Radiation
>This dataset contains NCEP Reanalysis LongWaveNet Radiation data. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data,...
ArcticRIMS: NCEP Reanalysis LongWaveNet Radiation, Aggregated by Administrative Regions
>This dataset contains NCEP Reanalysis LongWaveNet Radiation Data, Aggregated by Administrative Regions. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric...
ArcticRIMS: NCEP Reanalysis LongWaveUp Radiation
>This dataset contains NCEP Reanalysis LongWaveUp Radiation data. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data,...
ArcticRIMS: NCEP Reanalysis LongWaveUp Radiation, Aggregated by Administrative Regions
>This dataset contains NCEP Reanalysis LongWaveUp Radiation Data, Aggregated by Administrative Regions. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric...
ArcticRIMS: NCEP Reanalysis Maximum Temperature
>This dataset contains NCEP Reanalysis Maximum Temperature data. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data,...
ArcticRIMS: NCEP Reanalysis Maximum Temperature, Aggregated by Administrative Regions
>This dataset contains NCEP Reanalysis Maximum Temperature Data, Aggregated by Administrative Regions. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric...
ArcticRIMS: NCEP Reanalysis Minimum Temperature
>This dataset contains NCEP Reanalysis Minimum Temperature data. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data,...
ArcticRIMS: NCEP Reanalysis Minimum Temperature, Aggregated by Administrative Regions
>This dataset contains NCEP Reanalysis Minimum Temperature Data, Aggregated by Administrative Regions. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric...
ArcticRIMS: NCEP Reanalysis Precipitation
>This dataset contains NCEP Reanalysis Precipitation data. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data, interpolated...
ArcticRIMS: NCEP Reanalysis Precipitation, Aggregated by Administrative Regions
>This dataset contains NCEP Reanalysis Precipitation Data, Aggregated by Administrative Regions. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research ...
ArcticRIMS: NCEP Reanalysis ShortWaveDown Radiation
>This dataset contains NCEP Reanalysis ShortWaveDown Radiation data. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data,...
ArcticRIMS: NCEP Reanalysis ShortWaveDown Radiation, Aggregated by Administrative Regions
>This dataset contains NCEP Reanalysis ShortWaveDown Radiation Data, Aggregated by Administrative Regions. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric...
ArcticRIMS: NCEP Reanalysis ShortWaveNet Radiation
>This dataset contains NCEP Reanalysis ShortWaveNet Radiation data. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data,...
ArcticRIMS: NCEP Reanalysis ShortWaveNet Radiation, Aggregated by Administrative Regions
>This dataset contains NCEP Reanalysis ShortWaveNet Radiation Data, Aggregated by Administrative Regions. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric...
ArcticRIMS: NCEP Reanalysis ShortWaveUp Radiation
>This dataset contains NCEP Reanalysis ShortWaveUp Radiation data. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data,...
ArcticRIMS: NCEP Reanalysis ShortWaveUp Radiation, Aggregated by Administrative Regions
>This dataset contains NCEP Reanalysis ShortWaveUp Radiation Data, Aggregated by Administrative Regions. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric...
ArcticRIMS: NCEP Reanalysis Temperature
>This dataset contains NCEP Reanalysis Temperature data. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data, interpolated...
ArcticRIMS: NCEP Reanalysis Temperature, Aggregated by Administrative Regions
>This dataset contains NCEP Reanalysis Temperature Data, Aggregated by Administrative Regions. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP...
ArcticRIMS: NCEP Reanalysis Vapor Pressure
>This dataset contains NCEP Reanalysis Vapor Pressure data. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (National Centers for Environmental...
ArcticRIMS: NCEP Reanalysis Vapor Pressure, Aggregated by Administrative Regions
>This dataset contains NCEP Reanalysis Vapor Pressure Data, Aggregated by Administrative Regions. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research ...
ArcticRIMS: NCEP Reanalysis Wind Direction
>This dataset contains NCEP Reanalysis Wind Direction data. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data,...
ArcticRIMS: NCEP Reanalysis Wind Direction, Aggregated by Administrative Regions
>This dataset contains NCEP Reanalysis Wind Direction Data, Aggregated by Administrative Regions. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research ...
ArcticRIMS: NCEP Reanalysis Wind Speed
>This dataset contains NCEP Reanalysis Wind Speed data. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data, interpolated...
ArcticRIMS: NCEP Reanalysis Wind Speed, Aggregated by Administrative Regions
>This dataset contains NCEP Reanalysis Wind Speed Data, Aggregated by Administrative Regions. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP...
ArcticRIMS: Precipitation From ERA-40 Re-analysis
>This data set provides estimates of daily total precipitation from the European Center for Medium Range Weather Forecasts (ECMWF) ERA-40 Reanalysis (ECMWF 2002). Data cover the period 1 January 1979 to 31 August 2002. Data were obtained from the...
ArcticRIMS: Precipitation From ERA-40 Re-analysis , Aggregated by Administrative Regions
>This data set provides estimates of daily total precipitation from the European Center for Medium Range Weather Forecasts (ECMWF) ERA-40 Reanalysis (ECMWF 2002). Data cover the period 1 January 1979 to 31 August 2002. Data were obtained from the...
ArcticRIMS: SSM/I Freeze Thaw 5-day Composites
>5-day composites of Special Sensor Microwave/Imager (SSM/I) Freeze Thaw data.> >The data is presented in 24 sub-datasets of different spatial and temporal aggregations....
ArcticRIMS: SSM/I Freeze Thaw 5-day Composites , Aggregated by Administrative Regions
>5-day composites of Special Sensor Microwave/Imager (SSM/I) Freeze Thaw data.> >The data are presented in 24 sub-datasets of different spatial and temporal aggregations....
ArcticRIMS: Snow Water Equivalent
>This data includes daily Snow Water Equivalent (SWE) values for July 1999 to June 2001, representing the most complete possible "picture" of SWE for the Arctic basin, derived from available Special Sensor Microwave/Imager (SSM/I) data during...
ArcticRIMS: Snow Water Equivalent , Aggregated by Administrative Regions
>This data includes daily Snow Water Equivalent (SWE) values for July 1999 to June 2001, representing the most complete possible "picture" of SWE for the Arctic basin, derived from available Special Sensor Microwave/Imager (SSM/I) data during...
At-sea density of foraging little auks (Alle alle) near Hornsund Fjord
>This dataset includes the at-sea density of foraging little auks near Hornsund Fjord, Southwest Spitsbergen. Data were collected during 1-3 day cruises aboard the R/V Oceania during the little auk breeding season (July) in 2001 and in July 2005-2008....
Automated Weather Station Data for Greenland Ice Core Locations
>This dataset contains automated weather station data (temperature, pressure, relative humidity, and wind direction and speed) collected on and near the Greenland Ice Sheet Project Two (GISP2) site in Greenland. The data were collected every 10 minutes...
BAID: NARL BAR flights Index by Quad (1948-49)
>These are scanned copy of paper map index of flights for individual air photo frames from air photo NARL_BAR missions conducted by the Navy Arctic Research Laboratory (NARL) during the late 1940s and early 1950s. These index files were drafted over...
BAID: RADARSAT and ERS satellite SAR Images
>Synthetic Aperture Radar (SAR) data are incorporated into the Barrow Area Information Database (BAID) in support of science logistics planning and subsistence hunters working on the sea ice along the coast of Barrow, Alaska.> >SAR is an active...
BIOMAS Model Results (a coupled sea ice/ocean/ecosystem model)
>This data set includes the Biology/Ice/Ocean Modeling and Assimilation System (BIOMAS) simulated monthly mean results for the Arctic Ocean planktonic ecosystem over the period 2004-2008. Also included is a movie that shows monthly variations of a few...
Banks Island July 2003 Field Report
>A group of 19 researchers and students from the University of Alaska Fairbanks and other U.S. and Canadian organizations gathered at Green Cabin, northern Banks Island in July 2003. The team was interested in the interactions between the frost-boil...
Banks Island July 2003 Field Report - Addendum
>A group of 19 researchers and students from the University of Alaska Fairbanks and other U.S. and Canadian organizations gathered at Green Cabin, northern Banks Island in July 2003. The team was interested in the interactions between the frost-boil...
Barium Concentrations and Salinity in Arctic River Estuaries, 1993-1996
This data set includes measurements of barium concentrations and salinity in samples collected from the estuaries of major Arctic rivers and adjacent shelf areas during 1993 to 1996. Investigators used Niskin bottles to collect water samples. The same...
Barrow Area Information Database (BAID) Geospatial Data Sets, Barrow, AK, USA
>The Barrow Area Information Database (BAID) data collection is comprised of geospatial data for the research hubs of Barrow, Atqasuk and Ivotuk on Alaska's North Slope. Over 9600 research plots and instrument locations are included in the BAID...
Barrow Area NonGis Data and Tramline Pictures
>The following dataset includes NonGis data from the years 2005-2009. The bulk of the data are tram spectral data, tram photographs, and metadata. Also included in this dataset are weather station data, land cover accuracy assessment, pond water levels...
Barrow Area Remote Sensing - BAID Be Research Sites
>This dataset contains GIS shape files in a single zip file. Data are remote sensing sites of the Barrow Area Information Database (BAID)....
Barrow Area Remote Sensing - BAID Power Poles
>This data set contains power pole layer data from the Barrow Area Information Database (BAID) from the villages of Barrow and Atqasuk on Alaska's North Slope. Files are in GIS shapefile format and are contained in a single ZIP file....
Barrow Area Remote Sensing - Brw Be Board Walk
>This data set contains data from board walks constructed at the site of the Barrow Biocomplexity Experiment 2006. Data were derived using the Barrow Arctic Science Consortium Differential GPS System (BASC DGPS) and exported as GIS shape files. These...
Barrow Area Remote Sensing - Brw Be Catchment
>This dataset contains Barrow Area Remote Sensing - Brw Be Catchment data. Modeled catchment area and sub-catchments within the Barrow Biocomplexity study area. Data were derived using the Digital Elevation Model derived for the study area from...
Barrow Area Remote Sensing - Brw Be Dikes
>This data set contains data from dikes constructed at the site of the Barrow Biocomplexity project, Spring 2007. Data were derived using the Barrow Arctic Science Consortium Differential GPS System (BASC DGPS) and exported as a shape file. These shape...
Barrow Area Remote Sensing - Brw Be Drainage
>Modeled drainage points within the Barrow Biocomplexity study area. Data were derived using the Digital Elevation Model (DEM) derived for the study area from airborne Light Detection and Ranging (LiDAR) data in the Arc Hydro extension to ArgGIS 9.2....
Barrow Area Remote Sensing - Brw Be Land Cover
>This dataset contains Barrow Area Remote Sensing - Brw Be Land Cover data. Cloud free Quickbird satellite imagery was used to develop the land cover maps in this study. The dataset is composed of four multispectral (2.4m) and one panchromatic (0.6m)...
Barrow Area Remote Sensing - Brw Be Matted Trail
>This data set contains data from a matted trail constructed for the Barrow Biocomplexity Experiment 2006. Data were derived using the Barrow Arctic Science Consortium Differential GPS System (BASC DGPS) and exported as a shape file. These shape files...
Barrow Area Remote Sensing - Brw Be Treatment Areas
>Modeled treatment areas within the Barrow Biocomplexity study area. Data were derived using the Digital Elevation Model derived for the study area from airborne Light Detection and Ranging (LiDAR) data in the Arc Hydro extension to ArgGIS 9.2....
Barrow Area Remote Sensing - Brw Peninsula Land Cover
>This dataset contains Barrow Area Remote Sensing - Brw Peninsula Land Cover data. Cloud free Quickbird satellite imagery was used to develop the land cover maps in this study. The datasets were composed of four multispectral (2.4m) and one...
Barrow Area Remote Sensing - Digital Elevation Model
>This is a Digital Elevation Model (DEM) of the Barrow Biocomplexity study area. Light Detection and Ranging (LIDAR) data were acquired by AeroMetric at an altitude of approximately 600 meters above mean terrain using an Optech 70 kHz Airborne Laser...
Barrow Area Remote Sensing - Tramlines
>This data set contains data from tramlines constructed at the Barrow Biocomplexity Experiment 2006. Data were derived using the Barrow Arctic Science Consortium Differential GPS System (BASC DGPS) and exported as GIS shape files. These shape files are...
Barrow Area Remote Sensing- BE CH4 Fall 2009
>This data set contains half-hourly vertical fluxes of CO2, CH4, and related environmental measurements taken at the Biocomplexity Experimental Site in northern Alaska during the autumn of 2009. Sampling was conducted as part of a large-scale water...
Barrow Area Remote Sensing- BE CO2 Flux Summer 2009
>This data set contains half-hourly vertical fluxes of CO2 and related environmental measurements taken at the Biocomplexity Experimental Site in northern Alaska during the summer of 2009. Sampling was conducted as part of a large-scale water...
Barrow Area Remote Sensing- BE Soil Data 2009
>This data set contains soil respiration (CO2) and related measurements taken at the Biocomplexity Experimental Site in northern Alaska during the summer of 2009. Sampling was conducted as part of a large-scale water manipulation experiment to test the...
Barrow Area Remote Sensing- MET Data
>This dataset includes meteorology data from 3 towers: > BE North (BEN) > BE Central (BEC) > BE South (BES)> >Met data are contained in several files, one file per location per year. Files are named: > BEX_MET_YYYY.csv >...
Barrow Area Remote Sensing- Soil Ecology Data
>This data set includes the Barrow Area Remote Sensing Soil Ecology Data. This includes the following parameters: soil electrical conductivity, soil oxidation reduction potential, soil pH, other soil characteristics (i.e., topography, high or low;...
Benthos and Water Column Process Influences, Northeast Water Polynya Project, 1992
>These data include physical and biological parameters measured to address the influence of water column processes on the benthos in the Northeast Water Polynya Project on the northeast Greenland continental shelf and surrounding ice-covered areas in...
Biocomplexity Associated with the Response of Tundra Carbon Balance to Warming and Drying
>The research involved with these data examines how biological and physical processes interact to control carbon uptake, storage and release in Arctic tundra ecosystems and how the self-organizing nature of these interactions varies across multiple...
Biocomplexity Project: Soil Pit Chemical and Physical Data
This dataset contains soil pit chemical and physical data. The data were collected from the Banks Island, Isachsen, and Mould Bay sites. See the documentation for information on how the samples were collected and analyzed. This dataset was originally...
Biocomplexity of Frost-boil Ecosystems Snow Data Report, Alaska North Slope
>This data report is a summary of snow-survey information collected during a trip to the Arctic Slope April 12-15, 2004. The data were all collected as part of the Biocomplexity of Frost-Boil Ecosystems study (Walker et al. 2004). Snow is an important...
Biocomplexity of Frost-boil Ecosystems: Banks Island
>This data report summarizes information collected during July 2003 near Green Cabin, northern Banks Island, Canada as part of the National Science Foundation (NSF) sponsored "Biocomplexity of Frostboil Ecosystems" project. It also includes...
Biocomplexity of Patterned Ground: Dalton Highway
>The Biocomplexity project studies small patterned-ground ecosystems along the Arctic bioclimate gradient in North America. Various types of patterned-ground formations are found in the Arctic. These are a significant component of nearly all Arctic...
Biocomplexity of Patterned Ground: Isachsen Expedition
>A team of 25 people from the University of Alaska Fairbanks and other organizations worked at Isachsen, Ellef Ringnes Island during July 2005, as part of the "Biocomplexity associated with biogeochemical cycles in arctic frost-boil ecosystems...
Biocomplexity of Patterned Ground: Mould Bay Expedition
>A team of 24 people from the University of Alaska Fairbanks and other organizations worked at Inuvik, NorthWest Territories (NWT) and Mould Bay, Prince Patrick Island, NWT during the period 12-27 July 2004, as part of the "Biocomplexity...
Borehole Optical Stratigraphy measurements through 4 full years at Summit, Greenland
>These data consist of detailed measurements of the temporal and spatial variations of firn compaction to advance knowledge and understanding of ice deformation and across different fields, including remote sensing, snow morphology, and...
Borehole Temperatures from the North Slope of Alaska, 1977-2002
This data set contains temperatures collected from boreholes on the North Slope of Alaska at 23 sites between 1977 and 2002. Most data fall into a date range of 1983-2001. The data consist of manually measured temperature profiles. > PLEASE NOTE:...
Bowhead Whale Subsistence Sensitivity Mapping
>This data set contains bowhead whale subsistence data and mapping, gathered from 01 January 2003 through 31 December 2003. These data are part of the Barrow Area Spatial Data Infrastructure effort. The Bowhead Whale Subsistence Sensitivity mapping...
CFL 2008 Dissolved Organic Matter Concentration (DOC) and Compositions
>This dataset contains dissolved organic carbon (DOC) measurements acquired by processing water samples gathered from the eastern Beaufort Sea and Amundsen Gulf. Samples were collected during the Circumpolar Flaw Lead (CFL) Program aboard the Amundsen...
Canadian Archipelago Throughflow Study (CATS)
>This dataset is part of the Canadian Archipelago Throughflow Study (CATS), a coordinated, multi-investigator program whose goal is to understand and estimate flow through the main passages of the Canadian Archipelago, including Nares Strait and Jones...
Canadian Rivers Data Set
This data set contains daily river discharge rates for 20 rivers, and depth for one river, in Arctic Canada between 1943 and 1989. The data were obtained from Environment Canada, Water Resources Branch...
Canadian Transect of Soils and Vegetation for the Circumpolar Arctic Vegetation Map
>This dataset contains Canadian Transect of Soils and Vegetation for the Circumpolar Arctic Vegetation Map data. The report summarizes environmental, vegetation, and soil data collected from 116 releves along a 2000-km transect from Amund Ringnes, Axel...
Canister sampling during OASIS Barrow field intensive Spring 2009
>Several Volatile Organic Compound (VOC) were measured using the whole air gas canisters. One-minute data is reported, although canisters were filled only three times per day, on average. Sample times are reported in Alaska Standard Time (AKST). The...
Canopy Foliage Area Index, Toolik Lake, Alaska, 1995 and 1996
>This dataset contains Canopy Foliage Area Index data for Toolik Lake, Alaska. Leaf Area Index (LAI) was measured for tundra plots at the Toolik Lake Field Station during the summers of 1995 and 1996. Measurements were made on control plots, plots from...
Characterization of Potentially Jurassic-Age Mummified Organic Material, Ellesmere Island, Canada
>This data set investigates the characteristics and spatial distribution of a mummified forest deposit in Quttinirpaaq National Park, Canada. Analyses include palynological characterization, tree identification, and leaf identification. Preliminary...
Chemical and Isotopic Tracers from the Arctic Ocean
>This dataset contains Chemical and Isotopic Tracers from the Arctic Ocean. These data are water column and sediment data tabulated in Microsoft Excel spreadsheets. They were largely collected in the Bering and Chukchi Seas, with some coverage for the...
Chick diets of little auks (Alle alle) in Hornsund Fjord, Spitsbergen
>This dataset includes the abundance, biomass, and energetic content of zooplankton in chick meals taken from the gular pouch of provisioning adult little auks in Hornsund Fjord, southwest Spitsbergen in July 2001-2008. Data is contained in a single...
Chick growth rates of little auks (alle alle) at Hornsund Fjord, Spitsbergen
>This dataset includes Weight-at-Age for little auk chicks in Hornsund Fjord, southwest Spitsbergen during the breeding season (July-August) in 2001 and 2005-2008. Data are included in a single Excel file....
Chukchi Sea Hydrographic (CTD) Data from the R.V. Alpha Helix Cruise, September 1996
>In an international collaborative effort, Japanese, Russian, and U.S. scientists collected hydrographic Conductivity, Temperature, Depth (CTD) samples in the Chukchi Sea north of the Bering Strait during the R.V. Alpha Helix cruise between 31 August...
Circulation in the Freshwater Switchyard of the Arctic Ocean: University of Washington CTD Profile Data
>The Freshwater Switchyard of the Arctic Ocean (FSAO) project is a program to study freshwater circulation (sea ice and upper ocean) in the "freshwater switchyard" between Alert (Ellesmere Island) and the North Pole, through a series of...
Circumpolar Flaw Lead (CFL) Photosynthesis-Irradiance Experiments
>The objective of the Circumpolar Flaw Lead (CFL) project is to examine how physical changes affect biological processes within the flaw lead. The CFL system is formed when the central pack ice (which is mobile) moves away from coastal fast ice,...
Climate Data from Barrow and Atqasuk, Alaska, 1995-2001
>This data set presents various climate data from sites in Barrow and Atquasuk, on the Northern Slope of Alaska. Parameters include thaw depth, air temperature, precipitation, wind speed, light intensity, plant canopy temperature, soil temperature,...
Climate and Flux Data from Alaska Sites, 1998-2000
>This data set contains climate, flux, and bulk density data from Ivotuk and Council (Seward Peninsula), Alaska, collected from 1998 through 2000. Surface energy and trace gas exchange measurements were made at each of the four Ivotuk sites using the...
Climatic instability in interior Alaska from the isotopic record of Late Quaternary ground ice
>This data set includes isotope ratio measurements of ice wedges taken from periglacial ice tunnel walls from interior Alaska. Surface waters were also collected to constrain modern controls on stable isotope values. Resulting data are contained in a...
Cloud-Radiation Feedback: Boundary Layer Cloud Microphysical Properties and Processes
>This data set includes Surface Heat Budget of the Arctic (SHEBA) cloud microphysical data collected onboard the National Center for Atmospheric Research (NCAR) C-130 aircraft. This work focused on improving the quality of algorithms used to process in...
Controls on Carbon Flux in Moist Acidic Versus Nonacidic Tundra, Arctic LTER Data
>This dataset contains Controls on Carbon Flux in Moist Acidic Versus Nonacidic Tundra, Arctic Long Term Ecological Research Program (LTER) Data. In an effort to understand soil effects on carbon flux from moist acidic tundra versus moist non-acidic...
Coring Data from Drained Thaw-Lake Basins of the Arctic Coastal Plain, Alaska
>This data set includes measurements and observations taken from drained thaw-lake basin (DTLB) cores retrieved from Barrow and Atqasuk, Alaska in April and August of 2001 through 2003. Investigators selected young, medium, old, and ancient DTLBs to...
Cosmogenic 14C in Shallow Firn at Summit, Greenland
>This small data set contains measurements of cosmogenic 14C-methane and 14C-carbon monoxide, performed on large-volume samples of shallow firn at Summit Station, Greenland....
DGPS Lake Shoreline Dataset from Field Survey
> Shorelines for thaw lakes on the Alaskan North Slope were mapped in the field using high accuracy Differential Global Positioning System (DGPS). Three field sites were mapped over three years beginning with the Barrow peninsula in 2008, near the town...
Daily Air and Active Layer Temperatures From Permafrost Observatories in Alaska, 1986-2001
>This data set contains air and soil temperatures collected from eight sites in Alaska between 1986 and 2001. The data were obtained by remote, battery-powered, computer-controlled automatic temperature loggers. Temperatures recorded were usually in...
Data Correlating the Shallow GISP2 Dust Profile with the Wolf Sunspot Number Series
>These data were collected for a research project that utilized the Greenland Ice Sheet Project Two (GISP2) ice core. The project sought evidence of an 11-year sunspot cycle and whether the cycle correlated with dust that had been transported by global...
Declassified Satellite Imagery Acquired Near Barrow Alaska
>This dataset contains various declassified military satellite imagery acquired near Barrow Alaska during August, 1988, June 1989, and August 1995. Each scene is packaged into a .tar.gz file which includes metadata. Mosaics of the images are also...
Digital Elevation Models for Aerial Stereographic Flights, 2002-2010
>Aerial stereophotography missions were flown at least once every year over the Columbia Glacier in 1976-2010, and documented further in the Aerial Inventory. Flight data include all existing scans of the large format diapositives and their derived...
Distribution of Zooplankton in the Northeast Water Polynya Project, Summer 1992 and 1993
>These data represent quantitative taxonomic analyses of zooplankton samples collected while on board the United States Coast Guard Cutter (USCGC) Polar Sea, operating in the Northeast Water Polynya Project in July and August of 1992 and 1993....
Dune Lake, Alaska 12,000 Year Multiproxy Sediment Data
>This dataset contains opal, organic carbon and nitrogen contents, and organic δ13C (carbon-13) and δN15 (nitrogen-15) stable isotopes that were analyzed on a sedimentary sequence spanning the past ~12,000 years from Dune Lake, a shallow groundwater...
ECCO2 model Arctic Domain, 18km
>The data domain in this dataset is a sub-domain of a global cube-sphere setup as used by the Estimating the Circulation and Climate of the Ocean, Phase II (ECCO2) (see the related link below). The solution is calculated using the coupled ocean - sea...
ECCO2 model Arctic Domain, 4km
>This dataset contains arctic model setup with 4 km horizontal grid spacing files. The domain is a higher resolution sub-domain of a global cube-sphere setup as used by the Estimating the Circulation and Climate of the Ocean, Phase II project (ECCO2,...
ETOP05 Elevation Data for Areas Greater than 50 degrees North
>ETOPO5 is a collection of several gridded elevation data sets, combined into a single, global coverage. The data sets are of low resolution and accuracy, and therefore are useful for only the most general descriptions of polar topography. 5-Minute...
East Siberian Air, Ground Temperature, and Snow Depth Measurements, 1882-1994
>This data set contains historical data for 35 Russian (East Siberian) stations located between approximately 117-145 E and 55-72 N. Data were collected between 1882-1994, but the time period covered by each station and the parameters measured are...
Ecosystem Carbon Fluxes, Toolik Lake, Alaska, 1995 and 1996
Carbon dioxide exchange, air temperature, and photosynthetically active radiation (PAR) were measured on tundra plots at the Toolik Lake Field Station during the summers of 1995 and 1996. Measurements were made on control plots, plots from which snow was...
Ecosystem metabolism for an arctic warm spring-stream
>This dataset investigated the productivity of a perennial, Arctic spring-stream. Ivishak Spring has the stable discharge (~131 L/s) and temperature (~4-8 deg C) typical for springs. It is unusual, however, in having an annual cycle of daylight from 24...
Eddy Flux Data, Alaska North Slope, 1994-1996
>This dataset contains eddy flux data recorded at Happy Valley, Sagwon, and Toolik Lake from 1994 to 1996. An entire suite of meteorological parameters were recorded, including atmospheric temperature, pressure, mass flux of carbon and water vapor,...
Elevated Soil Temperature and Water Table Manipulation Data from Barrow, Alaska, 1999-2001
>This data set contains elevated soil temperature and water table manipulation measurements taken at a tundra site near Barrow, Alaska, USA. Eighteen 60-cm diameter polycarbonate cylinders were installed into the ground at the end of the 1998 growing...
Estimates of Sea Ice Floe Velocities Characterizing Whaling Seasons Using Satellite Imagery of the Chukchi and Beaufort Seas, Spring 2000 and 2001
>This data set formed the basis for estimating sea ice floe velocities covering two spring whaling seasons with markedly different rates of success from March to June in 2000 and 2001 in the Chukchi and Beaufort Seas near Barrow, Alaska. Synthetic...
Eurasian River Historical Nutrient and Sediment Flux Data
The Russian Federal Service for Hydrometeorology and Environmental Monitoring (Roshydromet) measured sediment fluxes and nutrient concentrations of sixteen Russian rivers between 1938 and 2000. This data set includes monthly sediment fluxes (in kilograms...
Experimental freeze down of tundra soils
>Samples were collected as part of a laboratory experiment assessing the effects of the rate of freezing and of the final temperature on soil nutrient dynamics and microbial biomass. Measurements include microbial respiration, biomass, nutrient...
Formaldehyde measurements during OASIS Barrow field intensive Spring 2009
>A measurement intensive campaign was carried out in Barrow, Alaska, in spring 2009 as part of the Ocean Atmosphere Sea Ice Snowpack (OASIS) program. The central focus of this campaign was the role of halogen chemistry in the Arctic. This dataset...
GIS Data from the Alaska North Slope
>This data set includes ArcInfo-formatted maps of the Kuparuk River Basin Region of the Alaskan North Slope (at 1:250,000 scale) and five subset study areas: the Upper Kuparuk River Basin Subregion (1:25,000), the Imnavait Creek Landscape (1:6,000),...
GISP2 Stable Isotopes (Deuterium, Deuterium Excess, and Oxygen)
>The data compiled here consist of Greenland Ice Sheet Project Two (GISP2) deuterium, deuterium excess, and oxygen isotope values measured at the Stable Isotope Laboratory, Institute of Arctic and Alpine Research (INSTAAR), University of Colorado as of...
Geochemical analyses of Icelandic tephra preserved in lake sediments
>This data set contains major element geochemical analyses of tephra grains isolated from lake sediment recovered in continuous cores from lakes in Iceland, Svalbard, Arctic Canada, and from marine sediment cores from Greenland and Iceland....
Glacial Geology Map of the Toolik Lake and Upper Kuparuk River Region, Alaska
>This data set consists of a digital glacial geology map of the Toolik and upper Kuparuk River region, Alaska, USA. The map covers a 740 km>2> area on Alaska's North Slope, in the northern foothills of the Brooks Range. The map contains...
Glacier Surface Velocity Fields from Columbia Glacier, 2004-2010
>Aerial stereophotography missions were flown at least once every year over the Columbia Glacier in 1976-2010, and documented further in the Aerial Inventory. Flight data include all existing scans of the large format diapositives and their derived...
Global Seasonal Snow Classification System
>The data file defines a global seasonal snow classification system. Based on the physical properties of the snow (depth, density, thermal conductivity, number of layers, degree of wetting, etc.), the world's seasonal snow covers were divided into six...
Global Snow-Water-Equivalent Depth Coefficient-of-Variation Classification
>This data set provides a global distribution of nine subgrid snow-depth-variability categories and a coefficient of variation applicable to each category, as the result of the Subgrid SNOW Distribution (SSNOWD) submodel that defines subgrid snow-depth...
Greenland Ice Sheet Surface Elevation Changes From ICESat and ATM
>This data set includes gridded surface elevation change rates for the Greenland Ice Sheet between 2003 and 2009, the operational time period of Ice, Cloud and land Elevation Satellite (ICESat). The data set was made from a combination of ICESat and...
Greenland Summit Ice Cores
>From 1989 to 1994, the U.S. and European scientific communities supported a bold undertaking to acquire an extensive paleoclimate record for the Northern Hemisphere. These efforts, termed the Greenland Ice Core Project (GRIP) and Greenland Ice Sheet...
Greenland snow albedo from MODIS Terra and Aqua, 2000-2010, adjusted for solar zenith angle biases
>This dataset contains the original (unadjusted) and adjusted Moderate Resolution Imaging Spectroradiometer (MODIS) albedo datasets for Greenland. These data are monthly averages for 2000-2010, and 8-day datasets for the same period. Data are stored in...
Gridded ERA-40 Reanalysis Data for Western Arctic Linkage Experiment (WALE)
>This data set includes monthly-mean air temperature and precipitation data for areas in Alaska and northwestern Canada, between 55°N and 65°N, and 160°W and 110°W. The data are from the ECMWF Re-Analysis (ERA-40) data set and are...
Growing Season Energy and CO2 Fluxes over a Larch Forest Tundra Ecosystem in Siberia
>This data set includes eddy covariance measurements of carbon and energy fluxes over a larch forest-tundra ecosystem near the latitudinal treeline, collected near Cherskii, Siberia, in summer 2001. A series of basic micrometeorological variables were...
HO2 and RO2 measurements during OASIS Barrow field intensive Spring 2009
>A measurement intensive campaign was carried out in Barrow, Alaska, in spring 2009 as part of the Ocean Atmosphere Sea Ice Snowpack (OASIS) program. The central focus of this campaign was the role of halogen chemistry in the Arctic. This dataset...
HOTRAX 2005 sediment core HLY0503-8JPC
>This data set provides data for sediment core HLY0503-8JPC (Healy-Oden Trans-Arctic Expedition 2005 (HOTRAX 2005), 2nd leg), a key record for developing an up-to-date stratigraphy for Mid-Late Quaternary sediments in the western Arctic Ocean....
Halomethane and methane net fluxes in northern Alaskan tundra, Barrow and Toolik Lake
>These data quantify fluxes of environmentally important trace gases between the coastal tundra and atmosphere, including methyl halides, chloroform and methane. The methyl halides and chloroform are ozone-depleting compounds, while methane is a potent...
Happy Valley Permanent Vegetation Plots
>This dataset contains Happy Valley Permanent Vegetation Plots data, including environmental, soil, and vegetation information collected from 55 releve plots at the Happy Valley research site along the Sagavanirktok River in northern Alaska. To...
Heterotrophic Bacteria and Protists in the Upper Water Column of the Central Arctic Ocean
>This data set contains information on heterotrophic bacteria and protists in the upper water column of the central Arctic Ocean, collected during the Canada/U.S. 1994 Arctic Ocean Section, July-September 1994. The data include measurements of...
Hillshade Rasters for Digital Elevation Models, 2002-2010
>Aerial stereophotography missions were flown at least once every year over the Columbia Glacier in 1976-2010, and documented further in the Aerial Inventory. Flight data include all existing scans of the large format diapositives and their derived...
Historical Sea Ice Time Series from the Atlantic Arctic
>The Historical Sea Ice Time Series from the Atlantic Arctic data collection is a compilation of existing century-scale time series derived from historical observations and sea ice charts from a range of sources. The purpose of the dataset is to...
Historical Sea Temperature Time Series from the Atlantic Arctic
>The Historical Sea Temperature Time Series from the Atlantic Arctic data collection is a compilation of selected existing multidecadal to century-scale sea temperature time series, derived from historical measurements from various sources. These data...
History of the Arctic Flora in North America
>This dataset in an attempt to increase understanding of how climate cycles of the Quaternary (the last 2.6 million years) impacted divergence in Arctic and alpine tundra flora. Specimens were collected in Beringia and the mountains of western North...
Humans and Hydrology at High Latitudes: Community Information
>This data set contains detailed community information for regions of Canada and Alaska. These data are utilized in the Arctic Rapid Integrated Monitoring System (ArcticRIMS) project to improve the development of the water stress model. This water...
Humans and Hydrology at High Latitudes: Water Use Information
>This data set contains water use information for Canadian and Alaskan communities as well as general water-use estimates provided by the United States Geological Survey (USGS) for the whole of the United States. These data are utilized in the Arctic...
Hydrographic Parameters from Fram Strait and Denmark Strait, 1998
This data set includes data for the following parameters: dissolved barium; bottom depth; pressure; temperature; salinity; dissolved oxygen; phosphate; siliceous acid; nitrate; nitrite; and oxygen isotopic composition of seawater. The data set is a...
Iceberg Sightings in the North Atlantic
>This dataset is a collection of over 105,000 iceberg records in the North Atlantic from 1880 to 1959 transcribed from a number of contemporary sources, principally from the weekly Hydrographic Bulletins of the U.S. Hydrographic and the annual...
Influence of Ocean Surface Conditions on the Regional Climate of the Northernmost Atlantic, 1988-2004
This data set includes simulations data of the Greenland region created with the Pennsylvania State University-National Center for Atmospheric Research (NCAR) Fifth-Generation Mesoscale Model (MM5) modified for use in polar regions (Polar MM5) using...
Intersection of Climate Change, Water Resources and Humans in the Arctic
>This data set contains two spreadsheets. One contains data consisting of conductivity and temperature at sites on the Seward Peninsula. The other contains records of E. coli and coliform in wells in the same area....
Into the Arctic -- Information and Educational Activities for Studying Climate
>'Into the Arctic' contains educational materials about climate and climate history in the Arctic that use real data and questions from the Greenland Ice Sheet Project Two (GISP2). It is in the form of a single zip file which can be expanded and the...
J-CAD Drifting Buoy Data, Arctic Ocean, 2000-2002
>This data set contains drifting buoy measurements taken from the Japan Agency for Marine-Earth Science and Technology (JAMSTEC) Compact Arctic Drifters (J-CADs). The J-CAD buoys drift with the ice pack, collecting navigational, atmospheric, and...
LAII Alaska Landscape Flux Survey NOAA/ATDD Long-EZ Aircraft Data
The data in the aircraft portion of the Land Atmosphere Ice Interaction (LAII) Alaska Landscape Flux Survey (ALFS) were collected in June 1994, June 1995, August 1995, and June 1996. The object of the effort was to measure remote sensing variables, the...
Lake Sediment Thermal Properties for Emaiksoun Lake (Barrow, Alaska)
>Lake sediment thermal property measurements were made on Emaiksoun Lake (also known as "Freshwater Lake"). This lake is located on the south end of town in Barrow, Alaska. The measurements were made using a KD-2 Pro Thermal Properties...
Lake Water Level and Temperature from Pressure Sensors
> Water level and temperature measurements were collected hourly in June through August for the years 2008 through 2010 several lakes near Barrow and Atqasuk, Alaska. Solinst Levelogger Jr. water level and temperature sensors were used. Water level...
Land-Cover Map of the North Slope of Alaska
>This ArcInfo map provides a spatially explicit representation of the nature and distribution of land cover and tundra types on the North Slope of Alaska. This was done in support of extrapolating ecosystem models developed in the Kuparuk to the North...
Landsat Derived Historical Lake Extents
>Lake extent maps for the Alaska North Slope and Barrow peninsula were generated from selected Landsat satellite images between 1977 and 2008 available at the United States Geological Survey (USGS) database. The acquisition dates for the images are...
Landsat Derived Historical Lake Extents for the Barrow Peninsula
>This data set consists of Lake extent maps for the Barrow peninsula from five historical Landsat satellite images classified by a hierarchical classification system. Normalized Difference Water Index (NDWI) was calculated from the green and near infra...
Landscape Age of the Arctic
>This data set is of landscape age of the Arctic, in 1000 years since the land surface was available for vegetation colonization. It is in vector format. The age of most recent deglaciation, emergence from the sea, or drainage of proglacial lakes was...
Large Area Estimates of Carbon Fluxes of Arctic Landscapes
Net CO2, evapotranspiration, and energy exchange were measured during 1998-2001 in wet-moist coastal sedge tundra (Barrow: 71 degrees 21 minutes north, 156 degrees 37 minutes west) and moist-wet coastal sedge tundra/moist-tussock tundra ecosystems ...
Large scale water manipulation experiment in the Arctic tundra
>This data set includes data from the Barrow Environmental Observatory (BEO) as part of the National Science Foundation (NSF) Biocomplexity Program. This involved increasing and decreasing the water table over large areas of tundra and observing the...
Late Holocene Climatic and Environmental Change Inferred from Arctic Lake Sediments
>This Dataset consists of data which accompanies fourteen papers in a special issue of the Journal of Paleolimnology. These papers report new records of Holocene climate and environmental change from Arctic lakes, with emphasis on the last 2000 years....
Lena River ADCP Transects
>This data set consists of Acoustic Doppler Current Profiler (ADCP) transect stream sampling of the Lena River taken from the Moskovskii-11 hydrographic survey vessel. A vessel-mounted 1200-kHz RDI Workhorse Sentinel ADCP was used to collect the data...
Location information and pictures of the OASIS Barrow field intensive Spring 2009
>The Ocean Atmosphere Sea Ice Snowpack (OASIS) field campaign was designed to provide a detailed study of atmosphere-cryosphere exchange processes occurring in the Arctic in late winter / early spring and the impact these exchange processes have on the...
Low Arctic monitoring of plant community composition and dynamics
>This dataset contains annual assessment of plant community composition and biomass production near Kangerlussuaq, Greenland. These data derive from an ongoing experiment that involves use of large-herbivore exclosures and passive warming chambers to...
MALINA 2009 Dissolved Organic Matter Concentration (DOC) and Compositions
>This dataset contains dissolved organic carbon (DOC) measurements acquired by processing water samples gathered from the eastern Beaufort Sea. Samples were collected during the Malina Program aboard the Amundsen icebreaker from 27 July 2009 through 27...
Measurements of little auks (Alle alle) at Kap Hoegh, Greenland in 2007
>This dataset contains measurements at the Kap Hoegh, Greenland little auk colony in 2007. These data are chick growth measurements, productivity and attendance, morphometric measurements of adults used in different studies including time depth...
Meteorological and Hydrographic Data, Kuparuk River Watershed
>The data files in this data set contain climate and hydrographic information from sites on the North Slope of Alaska. The variables collected were temperature, humidity, wind speed and direction, soil heat flux and temperature, snow temperature,...
Meteorological and Radio Brightness Observations of Thawing Permafrost Near Toolik Lake, Alaska, 2004
This data set includes meteorological and radio brightness observations of tundra and shrub terrain on the North Slope of Alaska, USA near Toolik Lake. These data are nearly continuous from 8 May through 2 July 2004; the ground surface ranged from snow...
Meteorological, Radiation, Soil, and Snow Data from Alaska Sites, 1998-2008
>This data set contains meteorological, radiation, soil, and snow data from sites in Ivotuk and the Seward Peninsula in Alaska. The goal of the project is to improve the understanding of the role that soil moisture and surface temperature play in...
Meteorology measurements during OASIS Barrow field intensive Spring 2009
>A measurement intensive campaign was carried out in Barrow, Alaska in spring 2009 as part of the Ocean Atmosphere Sea Ice Snowpack (OASIS) program. This dataset contains three-dimensional wind velocities measured at 2 heights (~ 2 m agl and 6 m agl)...
Meteorology, Vegetation, Radiation, Microtopography, and Thaw Depth Data, Alaska, 1995-1996
>This dataset includes temperature, relative humidity, long- and short-wave radiation, photosynthetically active radiation (PAR), leaf area index (LAI), microtopography, and thaw depth data for study sites on the North Slope of Alaska. Meteorological...
Methane Flux Data, Alaska North Slope, 1994-1996
>This dataset contains methane fluxes, along with air and soil temperatures, collected at Happy Valley and Toolik Lake Arctic System Science/Land-Atmosphere Ice Interaction (ARCSS/LAII) study sites during the summers of 1994 and 1995. The data were...
Methane Flux Measurements, Happy Valley, AK, 1994
>This data set contains CH4 (methane) flux and related measurements taken at the Happy Valley Flux Study Site in northern Alaska during the summer of 1994. Sampling was conducted to test use of a laser sensor on a portable eddy correlation tower by...
Methane ebullition flux data from thermokarst lakes, 2003-2010
>This dataset contains ebullition flux measurements from thermokarst lakes in Siberia and Alaska. Data were collected using submerged bubble traps placed over discrete ebullition seeps. Ebullition values are reported volumetrically (mg CH>4>...
Model Output Assessing Net Carbon Exchange Across the Arctic Tundra-Boreal Forest Transition in Alaska, 1981-2000
>In this study, investigators simulated the temporal and spatial patterns of net carbon exchange in Alaskan ecosystems that span the transition from Arctic tundra to boreal forest. They modeled net carbon storage in terrestrial ecosystems by the...
Model Output From the 'Frost Index' Permafrost Model: Variations in Circumpolar Frozen Ground Conditions and Modeled Future Conditions
>This data set contains permafrost distribution maps, active-layer thickness maps, and hazard-potential maps constructed using results from the 'frost index' permafrost model (Nelson and Outcalt, 1987) driven by modern climatic data and scenarios of...
Model Output from MBL-GEM III for Typical Tussock Tundra in the Kuparuk River Basin, Alaska, 1921-2100
>This data set includes output data from the MBL-GEM III model for tussock tundra in the Kuparuk River watershed of Alaska. The model outputs 154 different variables for 123 10 km x 10 km grid cells, and assumes no interaction between adjacent grid...
Model Output from MBL-GEM III for a Typical Tussock-Tundra Hill Slope, 1921-2100
This data set includes output data from the MBL-GEM III model for a typical tussock-tundra hillslope. The model outputs 154 different variables for 20 modeled square-meter plots. Modeled plots are spaced 5 m apart along a 100-m transect parallel to the...
Model Output from the Arctic Region Climate System Model (ARCSyM)
>The Arctic Region Climate System Model (ARCSyM) provides output data to study ocean-ice-atmosphere and land-atmosphere interactions at high latitudes, at horizontal resolutions ranging from seven kilometers to 100 kilometers. Model data specifically...
Model Output from the Marine Biology Laboratory General Ecosystem Model (MBL-GEM) for Toolik Lake, 1921-2144, and the Kuparuk River Basin, 1995
This data set contains model input and output data for four simulations of varying time periods and spatial coverage. The first two simulations are for acidic tussock tundra in the Toolik Lake region of the Kuparuk River watershed for the years 1921 to...
Model Output of Active Layer Depth in the Arctic Drainage Basin, 1979-2001
>Investigators applied the Frozen Ground Model to the entire Arctic Drainage Basin to create this data set of active layer depth (ALD), recorded in centimeters. This model has been shown to provide excellent results for active layer depth and soil...
Modeled Carbon Responses of Tundra Ecosystems to Historical and Projected Climate
>This data set contains the model output data of Terrestrial Ecosystem Model (TEM) simulations from 1920-2100 for both moist tundra and polar desert/alpine tundra for the Pan-arctic, compared to output for the Kuparuk River Basin (moist tundra).> ...
Monitoring and Manipulation of Tundra Response to Climate Change, Arctic LTER, Toolik Lake, Alaska
>The investigator has undertaken long-term field experiments and monitoring at the Arctic Long Term Ecological Research Program (LTER) station, Toolik Lake, Alaska, exploring the effects of climate change on tundra vegetation. The resulting diverse...
Mooring and Drifting Buoy Data: Beaufort Gyre Freshwater Experiment, 2003
In the summer of 2003, investigators established an observational program to measure the freshwater content (in sea ice and in the ocean) of freshwater fluxes in the Beaufort Gyre using moorings and drifting buoys. They collected temperature time series,...
N-Factor Values and Air and Ground Surface Temperatures, Kuparuk River Basin, Alaska
This data set includes ground surface temperatures and air temperatures measured at ten study plots within the Kuparuk River basin of north-central Alaska. Computed thaw-season "n-factor" values are also included (the n-factor is defined as the...
NOAA/CMDL World Climate Data, Global Historical Climatology Network for Alaska
This data set contains mean monthly temperatures and total monthly precipitation for stations in Alaska from the mid-1800s to 1990. The values are a subset of the Global Historical Climatology Network (GHCN), archived at Oak Ridge National Laboratory...
Nares Strait HLY03-05GC Holocene Sediment Data
>This data set contains paleoceanographic data from core HLY03-05GC taken during cruise HLY03 to Nares Strait in 2003, part of the Canadian Archipelago Throughflow Study (CATS).> >The sedimentologic (sieve fractions), paleoceanographic ...
National Solar Radiation Data Base Hourly Solar Data from Alaska, 1961-1990
The radiation data are derived from the National Solar Radiation Data Base (NSRDB) hourly data in synoptic format, and provided by the National Climatic Data Center (NCDC). They contain hourly global horizontal solar irradiance, direct normal solar...
Near-shore Topography Transects of Barrow area Lakes
>Near-shore topography transects perpendicular to the lake shore were conducted using a Sokkia® C310 Automatic Level and survey rod. Survey transects logged location, elevation, and surface condition (e.g., vegetation, snow/ice, or water) at...
Nitrate and Conductivity Data from the GISP H Core
>This data set contains nitrate and conductivity measurements taken from the Greenland Summit Ice Sheet Project (GISP) H core. GISP was a decade-long project during the 1970s and early 1980s to study the climatic record stored in ice sheets, and...
North American Tundra NEE modeled from MODIS data
>This data set provides growing season Net Ecosystem CO2 exchange (NEE) between tundra ecosystems and the atmosphere for North America. Data are produced over the growing season (Julian Day 177 - 241) for the years 2003 - 2005. The data are modeled...
North Pole Bottom Pressure Records
>This archive contains the records for Arctic Bottom Pressure Recorders (ABPR) #1 and #3 installed near the North Pole in April 2005 in about 4300 meters of water. The format of the tab-delimited ASCII data is specified in the header of each file. ABPR...
North Pole Environmental Observatory (NPEO) Aerial CTD Survey
>This data set contains North Pole Environmental Observatory (NPEO) Aerial CTD Survey data. It includes conductivity, temperature, depth (CTD), pressure, salinity, potential temperature, and density data, which were collected yearly in the Arctic Ocean...
North Pole Environmental Observatory (NPEO) Nutrient, Chlorophyll, and Hydrographic Profiles
>This project began an evaluation of nutrients and phytoplankton standing stocks in the central Arctic Ocean based on sampling at the North Pole Environmental Observatory (NPEO). The first sampling occurred in April 2005, the second in April 2006,...
North Pole Environmental Observatory (NPEO) Oceanographic Mooring Data
>This data set, acquired with an oceanographic bottom-anchored mooring, includes sea-ice draft and depth data, conductivity, temperature, pressure, salinity, and ocean current measurements such as speed and direction. Each mooring contains vertically...
North Pole Environmental Observatory (NPEO) PMEL/CRREL Ice Temperature and Mass Balance Buoy Data
>This data set contains ice temperature and mass balance data from drifting ice buoys near the North Pole in the Central Basin of the Arctic Ocean. Buoys were deployed each April by the Pacific Marine Environmental Laboratory (PMEL) and the Cold...
North Pole Environmental Observatory (NPEO) Seawater Chemistry, 2000-2005
>This data set includes diverse measurements of seawater chemistry along with supplementary Conductivity, Temperature, Depth (CTD); pressure; salinity; potential temperature; and density data from the Arctic Ocean near the North Pole. Measurements were...
North Pole Environmental Observatory (NPEO) Weather and Radiation Buoy Data
>This data set includes in situ air pressure, wind, temperature, longwave radiation, and shortwave radiation measurements. Data were recorded from 27 April 2002 by weather stations and radiometers on drifting buoys near the North Pole that were...
OH reactivity measurements during OASIS Barrow field intensive Spring 2009
>A measurement intensive campaign was carried out in Barrow, Alaska in spring 2009 as part of the Ocean Atmosphere Sea Ice Snowpack (OASIS) program. This dataset contains OH reactivity measurements from that campaign. The data file is ASCII text, comma...
OH, MSA, and H2SO4 measurements during OASIS Barrow field intensive Spring 2009
>A measurement intensive campaign was carried out in Barrow, Alaska, in spring 2009 as part of the Ocean Atmosphere Sea Ice Snowpack (OASIS)program. This dataset contains OH, methane sulfonic acid (MSA), and H2SO4 measurements....
Observed and naturalized discharge data for large Siberian rivers
>The data set includes two types of discharge data: 1) observed daily discharge values compiled in the State Hydrological Institute, Russia from official sources and 2) modeled "naturalized" daily discharge. The "naturalized"...
Original Full Resolution Timelapse Images for Columbia Glacier
>This dataset contains timelapse images taken at the Columbia Glacier in Alaska. Images were captured by several cameras placed in several locations, as denoted by camera ID (e.g., AK01, AKHS2). A more detailed description of the camera models, lens,...
Orthorectified Mosaics for Aerial Stereographic Flights, 2002-2009
>Aerial stereophotography missions were flown at least once every year over the Columbia Glacier in 1976-2010, and documented further in the Aerial Inventory. Flight data include all existing scans of the large format diapositives and their derived...
Oxygen and Deuterium Isotope Measurements from Siberia, 2002-2004
>Investigators performed a stable isotope analysis of rain, snow, the Kolyma River, and a local stream near Cherskii, Siberia from 30 June 2002 through 27 April 2004. As part of the Russian-American Initiative on Shelf-land Environments (RAISE) program...
Ozone, NOx, and NOy measurements during OASIS Barrow field intensive Spring 2009
>A measurement intensive campaign was carried out in Barrow, Alaska in spring 2009 as part of the Ocean-Atmosphere-Sea-Ice-Snowpack program. This dataset contains Ozone, NOx, and NOy measurements from that campaign. The data files are ASCII text files...
Paleoenvironment, Geomorphic Processes, and Carbon Stocks of Drained Thaw-lake Basins in the Arctic Coastal Plain, Alaska, USA, 2002-2005
>These data are from a study of the origin and associated geomorphological, ecological, and pedological processes of thaw-lake basins of the Arctic Coastal Plain, Alaska. The research utilized high-resolution multispectral satellite data, ground...
Pan-Arctic Land Surface (PALS) model drivers and outputs
>This data set includes forcing data and output fields for multimodel simulations of pan-Arctic hydrology. All models were forced with European Centre for Medium-Range Weather Forecasts (ECMWF) 40 Year Re-analysis (ERA-40) data for the period 1979-2002...
Passive acoustic recording data from the Alaskan Beaufort Sea
>These data form part of an interdisciplinary mooring that includes measuring the water masses and currents, ice-thickness and ice-velocity, nutrients, dissolved oxygen, turbidity, pH, chlorophyll fluorescence (phytoplankton), acoustic backscatter ...
Peroxy acetyl nitrate measurements during OASIS Barrow field intensive Spring 2009
>A measurement intensive campaign was carried out in Barrow, Alaska in spring 2009 as part of the Ocean-Atmosphere-Sea-Ice-Snowpack program. This dataset contains Peroxy Acetyl Nitrate (PAN) measurements using a Chemical Ionization Mass Spectrometer ...
Physical and Chemical Properties from Selected Expeditions in the Arctic Ocean
>This dataset contains Physical and Chemical Properties from Selected Expeditions in the Arctic Ocean. This data collection includes measurements of temperature, salinity, conductivity, pH, and concentrations of silicate, oxygen, nitrate, nitrite, and...
Point Barrow, Alaska and Vicinity Bathymetry
This data set contains bathymetry data for Point Barrow, Alaska, and its vicinity. A bathymetry grid was interpolated from depth soundings measured in meters below mean lower low water (MLLW) and contours that were digitized from a National Oceanic and...
Polar Bears: Adipose analyses
>From a subset of captured bears a sample of adipose tissue was collected via tissue biopsy. These tissues were analyzed for lipid content, percent of saturated fatty-acids, fatty-acid profiles, as well as stable carbon isotope values. Information on...
Polar Bears: Blood analyses
>Blood collected from captured polar bears was analyzed for blood chemistry, hematology, stable isotopes of carbon and nitrogen, free fatty-acid and amino-acid profiles, and serum hormone levels. Information on bear IDs and dates of capture is not...
Polar Bears: Body temperature
>A subset of captured polar bears was surgically implanted with subcutaneous temperature loggers in the rump, or in the abdominal cavity. Subcutaneous loggers recorded temperature every 10 minutes. Abdominal loggers recorded temperature every 60...
Polar Bears: Breath analyses
>Exhaled breath was collected and analyzed for stable carbon isotopes at the University of Wyoming Stable Isotope Facility, and for respirometry exchange ratio following Whiteman et al. (2012; J. of Mammalogy 93:413-421). Information on bear IDs and...
Polar Bears: Location and movements
>A subset of captured polar bears were fitted with GPS satellite collars or glue-on tags. Location data was recorded hourly. Concurrently, data on activity, ambient temperature, and salinity were recorded. Information on bear IDs, dates of capture, and...
Polar Bears: Morphological measurements and body condition at capture
>This dataset contains measurements of individual polar bears using rope, calipers and measuring tape. Weight was determined using a tripod hoist. A visual assessment of body condition was also recorded on a scale of 1-5. Information on bear IDs and...
Polar Bears: Muscle analyses
>From a subset of captured bears, a muscle sample was obtained through a sterile biopsy. Muscle samples were analyzed for fiber types, DNA content, protein content, and stable isotopes of carbon and nitrogen. Information on bear IDs and dates of...
Polar Science Center Hydrographic Climatology (PHC)
>The climatology provides temperature and salinity data at 1X1 degree intervals for all the earth's oceans, down to a depth of 5500m, at incremental depths identical to those provided in the National Oceanographic Data Center's (NODC) World Ocean Atlas...
Preliminary Investigation of Paleoenvironment, Processes, and Carbon Stocks of Drained Thaw-Lake Basins, Arctic Coastal Plain, Alaska
>This data set contains Preliminary Investigation of Paleoenvironment, Processes, and Carbon Stocks of Drained Thaw-Lake Basins, Arctic Coastal Plain, Alaska data. These data contain measurements taken from 78 drained thaw-lake basins on the Arctic...
Proceedings of the International Conferences on Permafrost 1963-2008
>This data set contains proceedings from the International Conference on Permafrost (ICOP). There have been nine ICOP conferences starting in 1963 with the most recent in 2008. Files are in pdf format, and are browseable via the Proceedings document...
Provenance of Holocene sediment on the Chukchi-Alaskan margin
>This is a post-cruise research of sediment cores collected at the Chukchi Alaska margin on the first leg of Healy-Oden Trans-Arctic Expedition 2005 (HOTRAX 2005), USCGC (United States Coast Guard Cutter) Healy 0501....
Qalluuraq Lake, Alaska 12,000 Year Multiproxy Methane Sediment Data
>This dataset contains multiproxy sediment data from Qalluuraq Lake, Alaska, for the past 12,000 years. Paleoenvironmental proxies measured include stable isotopic ratios, organic carbon, magnetics, and plant macrofossils. The data are available as...
Quartz Lake, Alaska 11,200 Year Chironomid and Stable Isotope Data
>This dataset contains chironomid and stable isotope data from sediments recovered from Quartz Lake, Alaska for the past 11,200 years. The data are available as either a text or an Excel file on the National Oceanic and Atmospheric Administration (NOAA...
R-ArcticNet: A Regional, Electronic, Hydrographic Data Network for the Arctic Region
>R-ArcticNet is a comprehensive river discharge database that covers the entire pan-Arctic drainage system. The collection comprises data from 9138 gauges and contains monthly river discharge data extending from the 1890s (for four Canadian and five...
Radar Profiles and GPS Surveys, Black Rapids Glacier, Alaska
>This data set contains radio echo-sounding profiles. These profiles were collected across the upper section of the Black Rapids Glacier, Alaska and were used to define the spatial pattern of ice thickness for this section. Surface topography was...
Radiation Measurements from the USCGC Polar Sea, 1994
This data set includes spectral and broadband measurements of downwelling shortwave and longwave radiation made aboard the U.S. Coast Guard Cutter "Polar Sea" during the 1994 Arctic Ocean Section (AOS). Measurements were made using a Fourier...
Radiocarbon Dates and Pollen Data, Peterson Erosional Remnant, Arctic Coastal Plain, Alaska
>This data set consists of pollen data and radiocarbon (>14>C) dates resulting from microscopic analysis and mass spectrometry of soil cores taken from the Peterson Erosional Remnant, located on the Arctic Coastal Plain near Barrow, Alaska....
Rantin Lake, Yukon 10,900 - 3,100 YrBP Multiproxy Sediment Data
>This dataset contains multiproxy sediment data from Rantin Lake, southern Yukon, covering the interval 10,900 to 3,100 calendar years before present. Paleoenvironmental proxies measured include carbonate content, organic matter content, bulk density,...
Recovered Drained Thaw Lake Basins (DTLBs) on the Arctic Coastal Plain of Alaska using InSAR DEM and Remote Sensing Imagery
>Paleoshorelines of Drained Thaw Lake Basins (DTLBs) on the Alaskan North Slope were mapped using the Interferometric Synthetic Aperture Radar Digital Elevation Model (InSAR DEM) and remote sensing imagery. A total of ~10,200 km2 of DTLBs were...
Regional Survey of Greenland, 1988 - Snow Pit Data
>This dataset contains information from two 2-meter snow pits, five 4-meter snow pits, and two 6-meter snow pits, all dug in 1988 from selected sites in Greenland, and includes chemistry (H+), stable isotopes (Ca, Cl, Na, K, Mg, NH4, NO3, SO4, MSA),...
Reindeer Herding in Transition: Feedbacks Between Climate, Caribou, and Local Communities in Northwest Alaska
This dataset contains weather data with daily measurement frequency. Additionally there is daily data chronicling the geographical location of several tagged reindeer. An image file in JPEG format shows the area where the various weather data were...
Resource Allocation and Allometry of Plant Growth at Selected Sites in the Arctic: 2003-2005 Growing Seasons
>This data set consists of seven data files containing measurements from Arctic field sites during the summer months from 5 July 2003 to 5 August 2005 as part of the Land Atmosphere Ice Interaction (LAII) International Tundra Experiment (ITEX)....
Resource Allocation and Allometry of Plant Growth in the Arctic
>This data set is comprised of several sets of data from Toolik Lake, Alaska. They are part of the the International Tundra Experiment (ITEX) project investigating Key Constraints on Change and Predictability of the Arctic System.> >Trace gas...
Runoff, Snow, Soil Moisture, Soil Temperature, and Water Level Measurements from BEO
>This data set includes data from the Barrow Environmental Observatory (BEO) as part of the National Science Foundation (NSF) Biocomplexity Program. This involved increasing and decreasing the water table over large areas of tundra and observing the...
Russian Historical Soil Temperature Data
>This dataset contains Russian Historical Soil Temperature Data. This data set is a collection of monthly and annual average soil temperatures measured at Russian meteorological stations. Data were recovered from many sources and compiled by staff at...
Russian Rivers Data Set
>Monthly river flow rates and maximum yearly flow rates for selected rivers in Russia were obtained from Esther Munoz and Seelye Martin at University of Washington, School of Oceanography. The data were originally compiled by United Nations Educational...
Russian and Norwegian River Daily Discharge from ArcticRIMS
>This dataset includes Arctic river daily discharge data covering 66 gauges from Russia (58) and Norway (8). Most of these gauges represent unique Arctic Ocean drainage basins in Northern Eurasia which are important to evaluate river input to Arctic...
SBI Cruise HLY0201 merged bottle dataset
>This data set contains merged bottle data from the SBI cruise on the United States Coast Guard Cutter (USCGC) Healy (HLY0201). During this cruise rosette casts were conducted and a bottle data file was generated by the Scripps Service group from these...
SBI Cruise HLY0203 merged bottle dataset
>This data set contains merged bottle data from the SBI cruise on the United States Coast Guard Cutter (USCGC) Healy (HLY0203). During this cruise rosette casts were conducted and a bottle data file was generated by the Scripps Service group from these...
SBI Cruise HLY0402 merged bottle dataset
>This data set contains merged bottle data from the SBI cruise on the United States Coast Guard Cutter (USCGC) Healy (HLY0402). During this cruise rosette casts were conducted and a bottle data file was generated by the Scripps Service group from these...
SBI Cruise HLY0403 merged bottle dataset
>This data set contains merged bottle data from the SBI cruise on the United States Coast Guard Cutter (USCGC) Healy HLY0403. During this cruise rosette casts were conducted and a bottle data file was generated by the Scripps Service group from these...
SBI Cruise NBP03-04a merged bottle dataset
>This data set contains merged bottle data from the SBI cruise on the United States Coast Guard Cutter (USCGC) Nathaniel B. Palmer (NBP03-04a). During this cruise rosette casts were conducted and a bottle data file was generated by the Scripps Service...
SCICEX Dissolved Barium Data, 1993-1997
>This dataset contains The Scientific Ice Expeditions (SCICEX) dissolved barium data compiled from water samples collected between 26 August 1993 and 2 October 1997 from nuclear submarines in the interior basins of the Arctic Ocean. Water samples were...
SCICEX Hydrographic Data, 1993
>During the Scientific Ice Expeditions (SCICEX) 1993 cruise, the USS Pargo sampled hydrographic data while surfaced. The data collected were conductivity, temperature, and depth (CTD), using a Sea-Bird CTD, expendable CTD probes, and a Sea-Bird SeaCAT....
SCICEX Hydrographic Data, 1997 and 1998
The Scientific Ice Expeditions (SCICEX) Program was a series of five multidisciplinary scientific cruises that utilized US Navy operational submarines as platforms for sampling the Arctic Ocean. The program's numerous principal investigators worked...
SHEBA Composite Data Observations
This data set contains the hourly values of 31 parameters that are a combination of observations from the Atmospheric Surface Flux Group (ASFG) SHEBA site and from other SHEBA sites (Quebec 2, Pittsburgh, and Mainline). Data were collected from 9 October...
SHEBA Ocean Turbulence Mast Data Archive
>This data set includes a time series of temperature, conductivity, salinity, three-dimensional velocity, pressure, and magnetic heading at multiple levels in the boundary layer under the drifting ice floe. As part of the Surface Heat Budget of the...
SHEBA Upper Ocean CTD and Thermal Microstructure, Western Arctic Ocean
>This data set includes Conductivity, Temperature, Depth (CTD) measurements along with thermal microstructure data (such as, turbulent thermal variance, turbulent kinetic energy, and vertical temperature gradient) collected from 12 October 1997 to 30...
SNACS Atmospheric Model: Time Series Data - 3-hourly
>This dataset archives the 3-hourly SNACS Polar MM5 atmospheric model data for simulations run with the following forcing data.> >Model years Data 1957-1958 to 1978-1979 ERA40 1979-1980 to 2000-2001 ERA40 + SSMR/SSMI sea ice from National...
SNACS Atmospheric Model: Time Series Data - Daily averages
>This dataset archives the daily SNACS Polar MM5 atmospheric model data for simulations run with the following forcing data:> >Model years Data 1957-1958 to 1978-1979 ERA40 1979-1980 to 2000-2001 ERA40 + SSMR/SSMI sea ice...
SNACS Atmospheric Model: source code and configuration files
>This dataset archives the SNACS Polar MM5 atmospheric model code and settings for the 50km simulations. If you uncompress and then untar the file, you'll have a directory called MM5 which will contain all of the source code and four configuration...
SNACS: Environmental Variability, Bowhead Whale Distributions, and Inupiat Subsistence Whaling - CTD data
>This data set contains Conductivity, Temperature, Depth (CTD) cast profiles of measured water column parameters acquired during the Study of the Northern Alaska Coastal System (SNACS) cruises, August - September 2005 and 2006 in the Chukchi and...
SNACS: Environmental Variability, Bowhead Whale Distributions, and Inupiat Subsistence Whaling - biological data
>This data set contains mesozooplankton abundance from net tows conducted during the Study of the Northern Alaska Coastal System (SNACS) cruises, August - September 2005 and 2006 in the Chukchi and Beaufort Seas, off the coast of Barrow, Alaska. Each...
SNACS: Environmental Variability, Bowhead Whale Distributions, and Inupiat Subsistence Whaling - event log
>This dataset includes a table which represents the event log for the 2005 field season for the Study of the Northern Alaska Coastal System (SNACS) conducted in the Chukchi and Beaufort Seas off the coast of Barrow, Alaska....
SNACS: Environmental Variability, Bowhead Whale Distributions, and Inupiat Subsistence Whaling - microzooplankton
>This data set includes microplankton abundance and estimated carbon biomass from Niskin bottle casts taken on board the R/V Annika Marie during August - September 2005 and 2006 in the Chukchi and Beaufort Seas, off the coast of Barrow, Alaska. Each...
SNACS: Environmental Variability, Bowhead Whale Distributions, and Inupiat Subsistence Whaling - nutrients
>This data set contains flow cytometry counts of bacteria, phytoplankton and nutrient concentrations of seawater from Niskin bottle casts taken from the R/V Annika Marie during August - September 2005 and 2006 in the Chukchi and Beaufort Seas, off the...
SNACS: Environmental Variability, Bowhead Whale Distributions, and Inupiat Subsistence Whaling - oceanographic data
>This data set contains underway temperature, conductivity, depth, and pigment measurements conducted during the Study of the Northern Alaska Coastal System (SNACS) cruise, August - September 2005 in the Chukchi and Beaufort Seas, off the coast of...
SNACS: Erosion Rates and Soil Physiochemical Properties in Northern Alaska Coastline (Data)
>This Dataset contains Erosion Rates and Soil Physiochemical Properties in Northern Alaska Coastline Data and is part of the Collaborative Research: Flux and Transformation of Organic Carbon across the Eroding Coastline of Northern Alaska project.> ...
SNACS: Erosion Rates and Soil Physiochemical Properties in Northern Alaska Coastline (Photos)
>This Dataset contains Erosion Rates and Soil Physiochemical Properties in Northern Alaska Coastline Photos and is part of the Collaborative Research: Flux and Transformation of Organic Carbon across the Eroding Coastline of Northern Alaska project....
SNACS: Snow and Ice Processes in the Deposition and Fate of Mercury in the Arctic
>This data set consists of chemical analysis of samples from the National Science Foundation (NSF) funded Study of the Northern Alaska Coastal System - Mercury (SNACS-Hg) project "Collaborative Research on Snow and Ice Processes in the Deposition...
Sea Ice Experiment: Dynamic Nature of the Arctic (SEDNA)
>The Sea Ice Experiment - Dynamic Nature of the Arctic (SEDNA) is an international collaborative effort to improve the understanding of the interaction between sea ice dynamics and Arctic climate. The SEDNA data portal provides access to 37 entries,...
Sea Ice Melt Pond Data
>As part of the Seasonal Ice Zone Observing Network (SIZONET) project monitoring the seasonal ice zone, studies were carried out tracking the evolution of albedo and melt pond coverage during the melt season. The data has enabled us to better...
Sea Ice Melt Ponds: Aerial Photo Mosaic
>Aerial photos were collected of the site and surrounding area up to 100km offshore from Barrow....
Sea Ice Melt Ponds: Core Temp, Salinity, and Isotope Data
>Cores used for salinity and isotope measurements were cut into 5 cm or 10 cm sections (indicated in data profiles) with a handsaw and bagged immediately after extraction to minimize brine drainage. Temperatures were measured out of direct sunlight at...
Sea Ice Melt Ponds: Individual Line Photos
>Photos were taken from ~2.5 meters behind the transect, looking across to the pristine side. The location where 5 meter spaced albedo measurements were collected is in the bottom center of the frame. The tape measure which is on the transect line can...
Sea Ice Melt Ponds: Integrated Albedo
>Wavelength integrated albedos (from 300-3000 nm) were measured every 2.5 m along the transect line, according to a tape measure laid out along the transect daily. The instrument used was a Kipp and Zonen CM14 Albedometer with voltage output read...
Sea Ice Melt Ponds: LiDAR Scanning Data
>High resolution terrestrial Light Detection and Ranging (LiDAR) scans were repeatedly collected using a Riegl LMS- Z420i scanner, from 5 different platforms affixed to the ice, two to the south of the field, and 3 along the transect line to its north....
Sea Ice Melt Ponds: Line Photo Composites
>Composite Photos are an ordered mosaic of all the images collected along the transect line on a given day where 0m is the left of the image and 200m is the right....
Sea Ice Melt Ponds: Snow, SSL, and Pond Depths
>Snow, surface scattering layer (SSL), or melt pond depths are measured by inserting a metal probe with centimeter gradations into the surface until it struck hard ice. Positive (+) measurements reflect snow or loose decaying ice crystals known as the...
Sea Ice Melt Ponds: Spectral Albedo
>Spectral albedos (from 350-2500nm) were measured every 5 m along the transect line, according to a tape measure laid out along the transect daily. The instrument used was an Analytical Spectral Devices FS3 (ASD FS3). Two spectrums were collected at...
Sea Ice Melt Ponds: Surface Characterization
>Tape measure is laid out along the 200 m transect line at the site, and surface conditions are visually characterized along the line with 0.1 m resolution....
Search Coil Magnetometer Array Data on Svalbard
>Two-axis search coil magnetometers sample the horizontal components of Earths magnetic field at four sites on Svalbard. Norway at a rate of 10 s/sec. These data record ultra-low-frequency (ULF) oscillations in the Earth's space environment that are...
Sedimentary Denitrification Rates from the Bering, Chukchi, and Beaufort Seas
This data set contains the sedimentary denitrification rates from the Bering, Chukchi, and Beaufort Seas obtained during August-September 1992, and rates obtained in the Beaufort Sea off Pt. Barrow, Alaska, under late wintertime conditions (March 1993)....
Snow Depth Measurements from Barrow, Alaska, 1994
>This data set contains snow depth measurements (cm) taken at the Arctic System Science (ARCSS) 1-m grid near Barrow, Alaska, on May 8, 1994. A grid spacing of 100 m was marked with wooden stakes. Snow pack depth was then measured by probing at the...
Snow Depth Yearly Measurements at Toolik Station 1995-2001
This data set provides snow depth measurements in the study area at Toolik Station, Alaska, taken once yearly on May 2nd, for the years 1995 through 2001. Measurements were taken by hand using a steel tile probe and are given in centimeters. The study...
Snow Pit Data from Greenland Summit, 1987
Snow pit and snow sample data are included from the Summit area of Greenland from 1987. One 2-meter snow pit was dug and sampled in 1987 with a 3-cm sampling interval. Four 4-meter snow pits were dug and sampled in 1987 with a 3-cm sampling interval. One...
Snow Pit Data from Greenland Summit, 1989 to 1993
>Chemistry and isotope information from snow pits dug at the Summit area of Greenland, 1989-1993 includes major ions (Na, K, Mg, Ca, Cl, NO3, SO4), oxygen isotopes (18O) and H2O2. Four snow pits were dug and sampled in 1989, three snow pits in 1990,...
Snow Pit and Ice Core Data from Southern Greenland, 1984
This collection includes surface snow sample, snow pit, and ice core data from summer of 1984 in Greenland (location - 65 degrees 6 minutes north, 44 degrees 52 minutes west, 2625 m a.s.l.). The data describe concentrations of major ions (Cl, Ca, Mg, K,...
Snow and Vegetation Measurements from Selected Sites Near Council, Alaska, USA, 2000-2002
>A combination of snow depth, snow temperature, snow water equivalent (SWE), and albedo measurements were taken from the spring of 2000 to the fall of 2002 at five sites near Council, Alaska. The sites vary in land cover type from forest to tundra. The...
Snow on the Alaska North Slope Grids
>This data report is a summary of snow-survey information collected during a trip to the Arctic Slope on April 9-14, 2003. The data were all collected as part of the Biocomplexity of Frost-Boil Ecosystems study (Walker et al. 2003, in press). Snow is...
SnowModel Pan-Arctic Data 1979-2009
>This data set contains pan-Arctic snow property estimates of distributed air temperature, snow precipitation, snow-season timing and length, maximum snow water equivalent depth (SWE), average snow density, snow sublimation, and rain-on-snow events....
Social Survey Data on Water Resources in Five Seward Peninsula Inupiaq Communities
>The data were collected using a social survey approach in cooperation with five rural Inupiaq communities on the Seward Peninsula, Alaska. A questionnaire survey was used during a semi-structured interview. Interview questions included a series of...
Soil Descriptions and Soil Chemistry for LAII/ATLAS Winter Carbon Flux Sites, Alaska, 1992 and 1998-2000
>Soil profiles at 27 sites in northern Alaska were described and classified in order to provide baseline soils data for ARCSS/LAII/ATLAS (Arctic Transitions in the Land-Atmosphere System) Winter Carbon Flux studies. The investigators collected samples...
Soil Properties of Carbon-Flux Monitoring Sites in Northwestern Alaska
>This data set includes basic soils data collected in summer 1995 for ten Arctic System Science/Land-Atmosphere-Ice Interaction (ARCSS/LAII) carbon-flux monitoring sites, and several related sites, in northwestern Alaska. Soil profile descriptions,...
Soil Survey along the Dempster Highway, Yukon Territory, Canada
Soil survey information from plots along the Dempster Highway in Yukon Territory, Canada, includes soil consistency, soil texture, soil moisture, pedon information, flooding information (frequency and duration), erosion, runoff, soil temperature,...
Soil Temperatures for Happy Valley and Barrow, Alaska, USA
This data set contains hourly and daily-averaged soil temperatures from Happy Valley and Barrow, Alaska, from 19 August 1993 to 31 August 2004. Data are in comma-delimited or space-delimited ASCII text format, and are available via FTP. The research...
Soil Temperatures, Toolik Lake, Alaska, 1995 and 1996
Soil temperatures were measured at the Toolik Lake Field Station during the summers of 1995 and 1996. Measurements were made on control plots, plots from which snow was removed, and plots from which snow was removed before the installation of heating...
Soil microbial parameters in Alaskan tundra soil through the winter
>This dataset contains measurements of soil nutrient and microbial parameters in tundra soils from the Toolik Field Station through 2008/2009. Soil samples were taken to bracket the winter-to-summer and the summer-to-winter transitions, and then to...
Stable oxygen and hydrogen isotope values from surface water collected near Toolik Lake, Alaska
>As part of the "Chemical Weathering and Organic Carbon Export From Arctic Watersheds, North Slope, Alaska" project, surface water samples were collected from rivers near the Toolik Field Station between April and October in 2009 and 2010....
Summer Surface Hydrographic Measurements in the Laptev Sea, 1980 to 2000
>The data set compiled here consists of surface hydrographic data, including temperature and salinity, from the Laptev Sea. Data were collected during the summers of 1980 to 2000. The Arctic and Antarctic Research Institute (AARI) in St. Petersburg...
Summer Warmth Index Average from 1982-2003
>This data set contains land surface temperatures in the circumpolar region of the Arctic derived from Advanced Very High Resolution Radiometer (AVHRR) satellite data. The AVHRR data were compiled from 1982 to 2003, providing the longest satellite...
Surface (sea floor) and near-surface (box cores) sediment mineralogy in Baffin Bay
>To better understand the glacial history of the ice sheets surrounding Baffin Bay and to provide information on sediment pathways, samples from 82 seafloor grabs and core tops, and from seven box cores were subjected to quantitative X-ray diffraction...
Svalbard Fjord Conductivity, Temperature, Depth Data, 2001-2004
>This data set includes vertical ocean profiles of temperature, salinity and backscatter beneath ice cover in Svalbard Fjord, Norway. The data were collected by a Seabird Conductivity, Temperature, Depth (CTD) system mounted on a remotely operated...
Synthesis and Scaling of Hydrologic and Biogeochemical Data on the North Slope and Coastal Zone of Alaska
>Understanding land-ocean-atmosphere coupling is essential for developing an integrated view of the arctic system, and is a key component of the Study of the Northern Alaska Coastal System (SNACS) program. As an important contribution to SNACS, this...
TDR results from Little Auks at Kap Hoegh colony 2007
>This dataset includes time depth recorder (TDR) data from deployments on chick-rearing little auks (Alle alle) in Kap Höegh, Eastern Greenland in July 2007. We attached TDRs ventrally to adult little auks when their chicks were between 1-18 days...
TOVS Polar Pathfinder (Path-P) Derived Arctic Winds
>The TIROS-N Operational Vertical Sounder (TOVS) Polar Pathfinder (Path-P) derived wind dataset consists of gridded daily wind fields north of 60 degrees latitude. The dataset is gridded at 100km spatial resolution on an Equal-Area Scalable Earth Grid ...
TOVS-Derived Downwelling Surface Longwave Radiation in the Arctic 1979-2005
>This data set contains downwelling flux of longwave radiation (DLF) measurements over the Arctic. These data were derived from TIROS-N Operational Vertical Sounder (TOVS) radiances of temperature profiles, humidity estimates, and cloud cover combined...
Temperature and Radiation Observation for Alaskan Shrub Tundra
>This data set includes observations of temperature and incident radiation for eight transects near the Nimiutuk River on the North Slope of Alaska. The measurements were taken using HOBO sensors and data loggers. The instruments were deployed in June...
Temperature, discharge and light data for Ivishak Hot Spring, Alaska
>The productivity of a perennial, Arctic spring-stream was investigated. Ivishak Spring has the stable discharge (~131 L/s) and temperature (~4-8 deg C) typical for springs. It is unusual, however, in having an annual cycle of daylight from 24 hrs/d ...
Terrain and Vegetation of Imnavait Creek, AK: Classification and Mapping
>Investigators classified typical and characteristic vegetation communities in an area in northern Alaska using Braun-Blanquet sorted table analysis, and mapped the communities using integrated geobotanical mapping procedures in a Geographic...
Terrain and Vegetation of Imnavait Creek, AK: Permanent Plots
This data report is a summary of environmental, soil, and vegetation information collected from 73 study plots at the Department of Energy R4D research site, located near Imnavait Creek in northern Alaska. Data include site factors, soil classification,...
Terrain and Vegetation of Imnavait Creek, AK: Toposequence Study
This data report is a summary of environmental, soil, and vegetation information collected from 23 study plots at the Department of Energy R4D research site, located near Imnavait Creek in northern Alaska. Data include site factors, soil classification,...
Terrain and Vegetation of Toolik Lake, AK: Permanent Plots
This data set is a summary of environmental, soil, and vegetation information collected from 81 study plots at the Toolik Lake research site in northern Alaska. Data include site factors, soil classification, description, and physical and chemical...
Thaw Depth and Vegetation Radiance Measurements, Happy Valley, AK, 1994
This data set contains measurements for permafrost active layer thaw depth and vegetation reflectance (red and near-infrared bandwidths) at the Happy Valley Flux Study Site in northern Alaska during the summer of 1994. Sampling was conducted in a 1000-m...
Thaw Depth, Toolik Lake, Alaska, 1995 and 1996
>Thaw depths were measured at the Toolik Lake Field Station during the summers of 1995 and 1996. Measurements were made on control plots, plots from which snow was removed, and plots from which snow was removed before the installation of heating cables...
Thermistor data from surface soils and permafrost in the Imnavait Creek watershed
>This dataset includes Imnavait sites 1, 3, and 4. As part of the "Chemical Weathering and Organic Carbon Export From Arctic Watersheds, North Slope, Alaska" project, thermistors were installed at three locations in Imnavait Creek watershed....
Thickness, Salinity and Stable Isotope Composition of Sea Ice Samples from the Laptev Sea, 1999
>This data set consists of sea ice measurements including thickness, salinity, and stable isotope composition from the Laptev Sea. The data were obtained during the Transdrift VI expedition to the Laptev Sea in April and May of 1999 as part of a...
Thule Biocomplexity - Gross Ecosystem Photosynthesis
>Ecosystem carbon dioxide flux measurements were taken at a High Arctic prostrate dwarf-shrub, herb tundra near Pituffik (Thule), Greenland (76 deg 29'N, 68 deg 26'W; elevation 245 m asl) northwest Greenland. Between 1978 and 2004, mean annual air...
Thule Fen CO2 Exchange 2004-2006
>This dataset includes mid-day measurements of CO2 exchange in hummocks and pools with and without open-top experimental warming chambers (OTCs). Measurements were made using a LI-6200 and a clear acrylic 20 x 20 x 20 cm chamber over a 30 second period...
Thule Leaf Gas Exchange Salix and Dryas 2005
>This dataset includes measurements of Dryas integrifolia and Salix arctica leaf gas exchange made under conditions of saturating light, ambient CO2 and optimum temperature. Also included are leaf C and N concentrations and leaf d15N and d13C....
Time Series of Active Layer Thickness in the Russian Arctic, 1930-1990
>This data set consists of active layer thickness (ALT) measurements based on soil temperatures in the Russian Arctic. The active layer is the top layer of ground that freezes in the winter and thaws in the summer over permafrost. Changes in ALT over...
Time Series of Seasonally Frozen Ground Depth in the Russian Arctic, 1930-1990
>This data set consists of seasonally frozen ground depth measurements based on soil temperatures in the Russian Arctic. Seasonal freezing and thawing processes in cold regions play a major role in ecosystem diversity, productivity, and the Arctic...
Time depth recorder (TDR) data from little auks, Hornsund Fjord, Spitsbergen
>This data set was derived from Centre for Environment, Fisheries and Aquaculture Science (CEFAS) time depth recorders (TDRs) which were affixed to provisioning little auks (Alle alle) breeding in Hornsund Fjord Spitsbergen....
Time-corrected High Resolution Timelapse Images for Columbia Glacier
>This dataset contains timelapse images taken at the Columbia Glacier in Alaska. Images were captured by several cameras placed in several locations, as denoted by camera ID (e.g., AK01, AKHS2). A more detailed description of the camera models, lens,...
Time-corrected Low Resolution Timelapse Images for Columbia Glacier
>This dataset contains timelapse images taken at the Columbia Glacier in Alaska. Images were captured by several cameras placed in several locations, as denoted by camera ID (e.g., AK01, AKHS2). A more detailed description of the camera models, lens,...
Time-corrected Low Resolution Timelapse Movies for Columbia Glacier
>This dataset contains timelapse images taken at the Columbia Glacier in Alaska. The images were captured by several cameras placed in several locations, as denoted by camera ID (e.g., AK01, AKHS2). A more detailed description of the camera models,...
Toolik Snowfence Experiment: 1994-2002 Active Layer Depth
>This data set contains active layer data collected for the Toolik Snowfence Experiment from 1994 to 2002. The Toolik Snowfence Experiment (part of the International Tundra Experiment network) examines the short- and long-term effects of increased snow...
Total and tall shrub cover on the North Slope of Alaska
>To monitor changes in shrub cover, aid field studies, and inform ecosystem models, shrub cover was mapped across the North Slope of Alaska. This data set consists of maps of total and tall (>1m height) shrub cover on the North Slope of Alaska,...
Toward Reanalysis of the Arctic Climate System - Sea Ice and Ocean Reconstruction with Data Assimilation
>The major goal of this project was to develop an integrated set of data assimilation procedures for the ice-ocean system that is able to provide gridded data sets that are physically consistent and constrained to the observations of sea ice and ocean...
Trace metal concentrations from surface water collected near Toolik Lake, Alaska
>As part of the "Chemical Weathering and Organic Carbon Export From Arctic Watersheds, North Slope, Alaska" project, surface water samples were collected from rivers near the Toolik Field Station between April and October in 2009 and 2010....
Trophic Mismatch and Its Consequences for Dynamics of an Arctic Herbivore
>Species specific records of plant emergence and life-history phases (flower set, bloom, fruit-set) were collected at near daily intervals from 12 long term monitoring plots from 2008 - 2011. Concurrently, a ratio of calves to adult females was...
Understanding Climate-Driven Phenological Change - Observations, Adaptations and Cultural Implications in Northeastern Siberia and Labrador/Nunatsiavut (PHENARC)
>An important focus of the PHENARC project has been on qualitative climatic data from Labrador/Nunatsiavut. For this location, instrumental and qualitative meterological observations began in August 1771, when the Unitas Fratrum or Unity of the...
Underwater Acoustic Data from Yahtse Glacier, Icy Bay, Alaska
>This dataset contains passive hydroacoustic recordings from an autonomous hydrophone (Passive Aquatic Listener (PAL)) moored in Icy Bay, Alaska. Data were collected in three deployments: 13 May 2009 through 19 July 2009, 20 July 2009 through 19 July...
VOC measurements during OASIS Barrow field intensive Spring 2009
>A measurement intensive campaign was carried out in Barrow, Alaska in spring 2009 as part of the Ocean-Atmosphere-Sea-Ice-Snowpack program. This dataset contains Volatile Organic Compounds (VOCs) measured using the Trace Organic Gas Analyzer (TOGA)...
Vegetation and Site Characterization, 1998-99 ATLAS Grid Transect, Northern Alaska
>This data set contains Vegetation and Site Characterization data from the 1998-99 ATLAS Grid Transect, Northern Alaska. This data set comprises the text and data presented in the data report "A western Alaskan transect to examine interactions of...
Vertical Boundary Layer Profiles for Ozone and Meteorological Parameters at Summit, Greenland, 2000
>This data set contains ozone surface data and 133 meteorological and 82 ozone vertical profile measurements collected from the surface to a maximum altitude of 1400 meters above the ground surface in Summit, Greenland. The data were collected from a...
Water Temperature and Bathymetric Depth Soundings for Lakes near Barrow
>This dataset contains Water Temperature and Bathymetric Depth Soundings for Lakes near Barrow, AK. Onset Water Temperature Pro v2 loggers were used in each of the five lakes. Loggers were attached to a cable which had an anchor (sandbag) and float....
Water quality data for lakes on the North Slope of Alaska
>A regional assessment of thermokarst lakes across the Arctic Coastal Plain of Alaska was conducted using satellite images to detect changes in lake coverage and morphometry during the satellite era. This effort was supplemented by the use of digital...
Water temperature and bathymetric depth soundings for lakes on the North Slope of Alaska
>A regional assessment of thermokarst lakes across the Arctic Coastal Plain of Alaska was conducted using satellite images to detect changes in lake coverage and morphometry during the satellite era. This effort was supplemented by the use of digital...
West Siberian Lowland Peatland GIS Data Collection
This dataset contains the West Siberian Lowland (WSL) peatland GIS data collection. The collection covers the entire West Siberian lowland and was compiled from a wide array of data under the auspices of the NSF-funded Sensitivity of the West Siberian...
Western Arctic Mooring CTD and ADCP Data, 1992-1995
This data set contains temperature, salinity, and current meter data collected from instrument moorings set at various depths in the Barrow Canyon of the northeast Chukchi Sea. The collection period ranges from September 1992 through September 1995. Data...
When the Weather is Uggianaqtuq: Inuit Observations of Environmental Change
>Uggianaqtuq (pronounced OOG-gi-a-nak-took ) is a North Baffin Inuktitut word that means to behave unexpectedly, or in an unfamiliar way. From the perspective of many hunters and elders in the Arctic, the weather has been uggianaqtuq in recent years....
Winter Precipitation, Sublimation, and Snow-Depth in the Pan-Arctic
>This data set is part of a project to investigate winter sublimation processes in order to improve and develop models and methods which will accurately and reliably estimate sublimation rates. The project is a five-year field campaign using eddy...
Zooplankton densities and biomass near Hornsund Jjord, Spitsbergen
>This dataset includes the abundance and wet biomass of various zooplankton species, collected aboard the R/V Oceania using net tows near Hornsund Fjord, Southwest Spitsbergen, in 2001-2008 in the month of July. The net tows were vertical net tows of...