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Codiac Project: Description

ACADIS

Datasets

119 datasets were found for the ACADIS 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...
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...
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...
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...
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 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 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...
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....
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;...
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...
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...
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...
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....
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,...
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...
Corticosteroid hormone measurements for adult and chick little auks in Hornsund Fjord, 2005-2008
>This data set is of corticosteroid levels of circulating blood in adult and chick little auks in Hornsund Fjord, 2005-2008....
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...
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...
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,...
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...
Effect of a warming climate on Arctic shelf and basin Calanus populations: implications for Pan-Arctic ecosystem dynamics
>This data set comprises modeling results from a project describing potential coupled biological (life history, development rates, food availability) and physical (temperature, advection) processes determining the biogeography of two Arctic copepod...
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...
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....
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...
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 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...
HLY-07-02 Profiles of photosynthetically active radiation (PAR)
>Profiles of photosynthetically active radiation (PAR) profiles are presented from the HLY0702 cruise in May-June 2007 onboard the United States Coast Guard Cutter (USCGC) Healy. Discrete downwelling PAR irradiance profiles are presented from 96 sites...
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....
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...
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...
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...
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...
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...
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...
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)...
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>...
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 ...
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...
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...
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...
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...
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 ...
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...
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...
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...
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...
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...
Satellite-derived polynya areas in the northern Bering Sea
>Satellite-derived Advanced Microwave Scanning Radiometer - EOS (AMSR-E) sea ice concentrations are utilized to calculate polynya areas in the northern Bering Sea (January-April from 2003 to 2008). Three polynya regions are presented: (a) Anadyr Gulf...
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...
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....
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...
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-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 ...
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....
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,...
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,...
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)...
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...
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...