Datasets for ARCSS

ARCSS

Datasets

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

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-LAII 1996 Aircraft Radiometric Data: During the summer of 1996, radiometric data over the Kuparuk River basin on the North Slope of Alaska were collected using the NOAA Long-EZ and Cessna 206 light aircraft. The area covered runs from north to south along the 148 degrees 55 minutes and 149...
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 data...
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,...
Agashashok Microclimate: 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 growth of...
Agashashok White Spruce Branch Growth 2005-2008: 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 were...
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 modelled values of air temperatures and thaw depth extrapolated to an area encompassing the...
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: Meteorological, soil and vegetation data were 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). This is 109 miles...
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 small...
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...
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 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...
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 from...
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 precipitation...
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 precipitation...
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: NCEP sigma 0.995 level temperature [K] with topography correction, new RIMS landmask with 39926 pixels. > The data is presented in 24 sub-datasets of different spatial and temporal aggregations...
ArcticRIMS: Daily Temperature, Topographically Adjusted, Aggregated by Administrative Regions: > NCEP sigma 0.995 level temperature [K] with topography correction, new RIMS landmask with 39926 pixels. > > The data is presented in 24 sub-datasets of different spatial and temporal aggregations. ...
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...
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: Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula. As...
ArcticRIMS: NCEP Reanalysis LongWaveDown Radiation, Aggregated by Administrative Regions: > Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula...
ArcticRIMS: NCEP Reanalysis LongWaveNet Radiation: Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula. As...
ArcticRIMS: NCEP Reanalysis LongWaveNet Radiation, Aggregated by Administrative Regions: > Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula...
ArcticRIMS: NCEP Reanalysis LongWaveUp Radiation: Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula. As...
ArcticRIMS: NCEP Reanalysis LongWaveUp Radiation, Aggregated by Administrative Regions: > Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula...
ArcticRIMS: NCEP Reanalysis Maximum Temperature: Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula. As...
ArcticRIMS: NCEP Reanalysis Maximum Temperature, Aggregated by Administrative Regions: > Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula...
ArcticRIMS: NCEP Reanalysis Minimum Temperature: Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula. As...
ArcticRIMS: NCEP Reanalysis Minimum Temperature, Aggregated by Administrative Regions: > Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula...
ArcticRIMS: NCEP Reanalysis Precipitation: Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula. As...
ArcticRIMS: NCEP Reanalysis Precipitation, Aggregated by Administrative Regions: Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula. As...
ArcticRIMS: NCEP Reanalysis ShortWaveDown Radiation: Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula. As...
ArcticRIMS: NCEP Reanalysis ShortWaveDown Radiation, Aggregated by Administrative Regions: > Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula...
ArcticRIMS: NCEP Reanalysis ShortWaveNet Radiation: Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula. As...
ArcticRIMS: NCEP Reanalysis ShortWaveNet Radiation, Aggregated by Administrative Regions: > Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula...
ArcticRIMS: NCEP Reanalysis ShortWaveUp Radiation: Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula. As...
ArcticRIMS: NCEP Reanalysis ShortWaveUp Radiation, Aggregated by Administrative Regions: > Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula...
ArcticRIMS: NCEP Reanalysis Temperature: Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula. As...
ArcticRIMS: NCEP Reanalysis Temperature, Aggregated by Administrative Regions: > Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula...
ArcticRIMS: NCEP Reanalysis Vapor Pressure: Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula. As...
ArcticRIMS: NCEP Reanalysis Vapor Pressure, Aggregated by Administrative Regions: > Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula...
ArcticRIMS: NCEP Reanalysis Wind Direction: Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula. As...
ArcticRIMS: NCEP Reanalysis Wind Direction, Aggregated by Administrative Regions: > Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula...
ArcticRIMS: NCEP Reanalysis Wind Speed: Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula. As...
ArcticRIMS: NCEP Reanalysis Wind Speed, Aggregated by Administrative Regions: > Gridded daily time step data from Ohio State University based on NCEP/NCAR reanalysis data, interpolated from the NCEP/NCAR grids (~209km) (http://www.ncep.noaa.gov/) to the 25km Northern Hemisphere EASE-Grid using a bi-lagrange interpolation formula...
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 National...
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 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 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 SSM/I data during this period. Data were filtered with snow...
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 SSM/I data during this period. Data were filtered with snow...
Automated Weather Station Data for Greenland Ice Core Locations: Automated weather station data (temperature, pressure, relative humidity, and wind direction and speed) were collected on and near the GISP2 site in Greenland. The data were collected every 10 minutes and compiled into three-hourly intervals at each site...
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 BAID data collection is comprised of geospatial data for the research hubs of Barrow, Atqasuk and Ivotuk on Alaska's North Slope. Over 7500 research plots and instrument locations are included in the BAID research sites database. Updates to the...
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 July...
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 NSF-sponsored "Biocomplexity of Frostboil Ecosystems" project. It also includes information about a halfday visit to Mould...
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 components 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" project....
Biocomplexity of Patterned Ground: Mould Bay Expedition: A team of 24 people from the University of Alaska Fairbanks and other organizations worked at Inuvik, NWT and Mould Bay, Prince Patrick Island, NWT during the period 12-27 July 2004, as part of the "Biocomplexity associated with biogeochemical cycles in...
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: These...
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 report summarizes environmental, vegetation, and soil data collected from 116 releves along a 2000-km transect from Amund Ringnes, Axel Heiberg, and Ellesmere Islands in the northern Canadian Arctic to a site at the southern edge of the Canadian...
Canopy Foliage Area Index, Toolik Lake, Alaska, 1995 and 1996: 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 which snow was removed, and plots from which snow was removed before the...
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 Beaufort and East Siberian Seas, and with limited coverage for other portions...
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 CTD (conductivity, temperature, density) 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 annual springtime...
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, soil...
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...
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: In an effort to understand soil effects on carbon flux from moist acidic tundra versus moist non-acidic tundra, the investigators collected soil respiration, soil temperature, soil moisture, thaw depth, soil cation, leaf area, leaf nutrient, and litter...
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...
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 the...
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 2 (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 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 included...
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 USCGC Polar Sea, operating in the Northeast Water Polynya Project in July and August of 1992 and 1993. Zooplankton samples were collected for...
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. ETOPO5...
East Siberian Air, Ground Temperature, and Snow Depth Measurements, 1882-1994: This data set contains historical data for 35 Russian 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 variable. Daily...
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...
Eddy Flux Data, Alaska North Slope, 1994-1996: Eddy flux data were 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, sensible heat, latent...
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...
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), the...
GISP2 Stable Isotopes (Deuterium, Deuterium Excess, and Oxygen): The data compiled here consist of 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 August, 2004. The data are contained...
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 km² area on Alaska's North Slope, in the northern foothills of the Brooks Range. The map contains polygon and...
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 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...
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...
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 data set includes environmental, soil, and vegetation information collected from 55 releve plots at the Happy Valley research site along the Sagavanirktok River in northern Alaska. To complement formal releve sampling of vegetation during the...
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...
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 provide...
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...
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...
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 tar file which can be expanded and the files...
J-CAD Drifting Buoy Data, Arctic Ocean, 2000-2002: This data set contains drifting buoy measurements taken from the Japan Marine Science and Technology Center (JAMSTEC) Compact Arctic Drifters (J-CADs). The J-CAD buoys drift with the ice pack, collecting navigational, atmospheric, and oceanographic...
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...
Land-Cover Map of the North Slope of Alaska: This ARC/INFO 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...
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 ...
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. The...
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 from...
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 from 1985 to 2007. The variables collected were temperature, humidity, wind speed and direction, soil heat flux and temperature, snow...
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, Vegetation, Radiation, Microtopography, and Thaw Depth Data, Alaska, 1995-1996: Data include 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 parameters...
Methane Flux Data, Alaska North Slope, 1994-1996: Methane fluxes, along with air and soil temperatures were collected at Happy Valley and Toolik Lake ARCSS/LAII study sites during the summers of 1994 and 1995. The data were collected at varied times during the field season, from every other day to...
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...
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 balance...
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 cells...
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...
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). > TEM...
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 (LTER) station, Toolik Lake, Alaska, exploring the effects of climate change on tundra vegetation. The resulting diverse data sets...
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 ratio of...
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...
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...
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 Pole Bottom Pressure Records: This archive contains the records for Arctic Bottom Pressure Recorders #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 data...
North Pole Environmental Observatory (NPEO) Aerial CTD Survey: This data set includes conductivity, temperature, depth (CTD), pressure, salinity, potential temperature, and density data, which were collected yearly in the Arctic Ocean as part of the North Pole Environmental Observatory. Investigators landed a...
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. The first sampling occurred in April 2005, the second in April 2006, where...
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 Regions...
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 through 24 April 2007 by weather stations and radiometers on drifting buoys near the North...
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,...
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 ERA-40 reanalysis data for the period 1979-2002. The forcing fields comprise precipitation, 2-m air temperature,...
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 phosphorus in the Arctic Ocean. The data were collected sporadically since 1950, from icebreakers,...
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 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 measurements taken from 78 drained thaw-lake basins on the Arctic Coastal Plain between Barrow and Atqasuk, Alaska. Investigators collected and analyzed sediment cores to determine soil and vegation composition, and used Landsat 7+...
R-ArcticNet: A Regional, Electronic, Hydrographic Data Network for the Arctic Region: This comprehensive river discharge database 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 Russian gauges)...
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 Transform...
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. Data...
Regional Survey of Greenland, 1988 - Snow Pit Data: 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, includes chemistry (H+), stable isotopes (Ca, Cl, Na, K, Mg, NH4, NO3, SO4, MSA), oxygen isotope information (18O...
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 Interactions (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 ITEX project investigating "Key Constraints on Change and Predictability of the Arctic System." > Trace gas data include; Net Ecosystem Production (NEP)...
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 the University of Colorado, USA, and the Russian Academy of Sciences...
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 UNESCO and the State...
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 the Northern Eurasia which are important to evaluate river input to Arctic...
SCICEX Dissolved Barium Data, 1993-1997: Dissolved barium data were 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 collected by four nuclear submarines: the USS Pargo in 1993...
SCICEX Hydrographic Data, 1993: During the 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. Twenty surface CTD casts and...
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 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 Arctic...
SHEBA Upper Ocean CTD and Thermal Microstructure, Western Arctic Ocean: This data set includes conductivity, temperature, and 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 NSIDC 2001...
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 from NSIDC 2001-2002...
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 CTD cast profiles of measured water column parameters acquired during the SNACS cruises, August - September, 2005 and 2006 in the Chukchi and Beaufort Seas near Barrow, Alaska....
SNACS: Environmental Variability, Bowhead Whale Distributions, and Inupiat Subsistence Whaling - biological data: This data set contains mesozooplankton abundance from net tows conducted during the SNACS cruises, August - September, 2005 and 2006 in the Chukchi and Beaufort Seas, off the coast of Barrow, Alaska. Each data set presents abundances of all taxa,...
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 SNACS study 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 onboard the RV Annika Marie during August - September, 2005 and 2006 in the Chukchi and Beaufort Seas, off the coast of Barrow, Alaska. Each data...
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 RV 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 SNACS cruise, August - September, 2005 in the Chukchi and Beaufort Seas, off the coast of Barrow, Alaska. Each data set includes latitude...
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 NSF-funded SNACS-Hg project "Collaborative Research on Snow and Ice Processes in the Deposition and Fate of Mercury in the Arctic". The data are chemical measurements along with...
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 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 stakes prior to meltout. 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, two...
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 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 an...
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 ARCSS/LAII (Arctic System Science/Land-Atmosphere-Ice Interaction) carbon-flux monitoring sites, and several related sites, in northwestern Alaska. Soil profile descriptions, soil...
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...
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...
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 vehicle ...
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 data...
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 ...
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 at...
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 project...
Thule Biocomplexity - Gross Ecosystem Photosynthesis: Ecosystem carbon dioxide flux measurements were taken at a High Arctic prostrate dwarf-shrub, herb tunda near Pituffik (Thule), Greenland (76 deg 29'RN, 68 deg 26'RW; elevation 245 m asl) northwest Greenland. Between 1978 and 2004, mean annual air...
Thule Fen CO2 Exchange 2004-2006: 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: 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. Measurements...
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...
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...
Vegetation and Site Characterization, 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 climate, substrate, vegetation, and spectral reflectance: ATLAS grids and transects, 1998-1999." The report is a compilation 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...
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...
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...