325,168 Works

North Pole Environmental Observatory (NPEO) Seawater Chemistry, 2000-2005, Version 1.0

K. Falkner & J. Morison
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 taken from sea ice platforms each April or May from 2000-2005. Investigators used a CTD-O2 system to measure seawater conductivity, temperature, depth, and dissolved oxygen content, and collected Niskin bottle samples for measurements of salinity, oxygen isotope composition, and concentrations of phosphate,...

Vegetation and Site Characterization, 1998-99 ATLAS Grid Transect, Northern Alaska, Version 1.0

E. Edwards, A. Moody & D. Walker
This data set contains Vegetation and Site Characterization data from the 1998-99 ATLAS Grid Transect, Northern Alaska. This data set comprises the text and data presented in the data report "A western Alaskan transect to examine interactions of climate, substrate, vegetation, and spectral reflectance: ATLAS grids and transects, 1998-1999." The report is a compilation of data from two projects conducted on the North Slope of Alaska during the summers of 1998 and 1999. The first...

SNACS: Erosion Rates and Soil Physiochemical Properties in Northern Alaska Coastline, Version 1.0

C. Ping, G. Michaelson, L. Guo, M. Jorgenson & Y. Shur
This Dataset contains Erosion Rates and Soil Physiochemical Properties in Northern Alaska Coastline Data and is part of the Collaborative Research: Flux and Transformation of Organic Carbon across the Eroding Coastline of Northern Alaska project. This proposed research addresses scientific questions through four main components designed to: (1) characterize the abundance, composition, and age of soil organic carbon (OC) and the abundance and structure of ground ice in relation to geomorphic environments, (2) estimate the...

Passive acoustic recording data from the Alaskan Beaufort Sea, Version 1.0

K. Stafford
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 (zooplankton), and marine mammal calls. The data here represent the marine mammal call data. The data are acoustic wav files from an instrument moored in the Alaskan Beaufort Sea. These data are orderable by time. The files are in 1/2 hour increments from September 25th, 2010...

ArcticRIMS: Snow Water Equivalent, Version 1.0

C. Vorosmarty, R. Lammers, M. Serreze & A. Barrett
This data includes daily Snow Water Equivalent (SWE) values for July 1999 to June 2001, representing the most complete possible "picture" of SWE for the Arctic basin, derived from available Special Sensor Microwave/Imager (SSM/I) data during this period. Data were filtered with snow climatologies derived from National Oceanic and Atmospheric Administration (NOAA) weekly snow charts from 1996 to 2001 (the most complete record available), and are masked for pixels in the recently updated Arctic drainage...

SNACS Atmospheric Model: Time Series Data - Daily averages, Version 1.0

J. Cassano
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 National Snow and Ice Data Center (NSIDC) 2001-2002 to 2006-2007 TOGA + SSMR/SSMI sea ice from National Snow and Ice Data Center (NSIDC) V2 + NNRP for soil moisture There are time series data from 28 model grid points near...

Barrow Area Remote Sensing - Brw Be Treatment Areas, Version 1.0

C. Tweedie
Modeled treatment areas within the Barrow Biocomplexity study area. Data were derived using the Digital Elevation Model derived for the study area from airborne Light Detection and Ranging (LiDAR) data in the Arc Hydro extension to ArgGIS 9.2. Treatment areas were defined from the catchment area of the thaw lake basin and the location of the dikes that were installed to separate the basin in to the different treatment areas. The northern treatment area became...

Terrain and Vegetation of Imnavait Creek, AK: Classification and Mapping, Version 1.0

D. Walker, P. Webber, N. Lederer & M. Walker
Investigators classified typical and characteristic vegetation communities in an area in northern Alaska using Braun-Blanquet sorted table analysis, and mapped the communities using integrated geobotanical mapping procedures in a Geographic Information System (GIS). The vegetation classification is presented in a final sorted table, and major terrain units, vegetation, and surface forms are described. Also included is a summary of comparable vegetation types from other relevant studies and an areal analysis of the geobotanical maps of...

Historical Sea Temperature Time Series from the Atlantic Arctic, Version 1.0

M. Miles
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 were compiled within the The Arctic System Science Program (ARCSS) project "Collaborative Research: Synthesis of Modes of Ocean-Ice-Atmosphere Covariability in the Arctic System from Multivariate Century-Scale Observations", following upon data collection efforts supported by the Norwegian Research Council and the Nordic...

Biocomplexity Associated with the Response of Tundra Carbon Balance to Warming and Drying, Version 1.0

W. Oechel, J. Kimball & C. Tweedie
The research involved with these data examines how biological and physical processes interact to control carbon uptake, storage and release in Arctic tundra ecosystems and how the self-organizing nature of these interactions varies across multiple spatial and temporal scales. This data set contains gridded and thematic data in addition to micrometeorological, CO2 and CH4 flux measurements from the Biocomplexity Experimental Site. Data are presented in TAR file format, with the following naming conventions: BE_ =...

Svalbard Fjord Conductivity, Temperature, Depth Data, 2001-2004, Version 1.0

J. Morison & J. Wettlaufer
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 (ROV) on three trips: the north side of Van Mijenfjorden in March 2001; the south of Van Mijenfjorden in March 2004; the south of Van Mijenfjorden in June 2004. To address the differences between theory and observation regarding...

ArcticRIMS: NCEP Reanalysis Wind Speed, Version 1.0

C. Vorosmarty, R. Lammers & D. Bromwich
This dataset contains NCEP Reanalysis Wind Speed data. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data, interpolated from the NCEP/NCAR grids (~209km) to the 25km Northern Hemisphere Equal-Area Scalable Earth Grid (EASE-Grid) using a bi-lagrange interpolation formula. As part of the data processing of Arctic Rapid Integrated Monitoring System (ArcticRIMS) based at the Water Systems Analysis Group (WSAG), University of...

Coring Data from Drained Thaw-Lake Basins of the Arctic Coastal Plain, Alaska, Version 1.0

J. Bockheim
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 collect data from by surveying their vegetation. DTLBs become sites for the accumulation of organic carbon as peat deposits. With this research, investigators aimed to estimate the amount of carbon sequestered in drained basins, supplement current knowledge of...

ArcticRIMS: NCEP Reanalysis ShortWaveNet Radiation, Aggregated by Administrative Regions, Version 1.0

R. Lammers & D. Bromwich
This dataset contains NCEP Reanalysis ShortWaveNet Radiation Data, Aggregated by Administrative Regions. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data, interpolated from the NCEP/NCAR grids (~209km) to the 25km Northern Hemisphere Equal-Area Scalable Earth Grid (EASE-Grid) using a bi-lagrange interpolation formula. As part of the data processing of Arctic Rapid Integrated Monitoring System (ArcticRIMS) based at the Water Systems Analysis...

ArcticRIMS: NCEP Reanalysis LongWaveUp Radiation, Aggregated by Administrative Regions, Version 1.0

R. Lammers & D. Bromwich
This dataset contains NCEP Reanalysis LongWaveUp Radiation Data, Aggregated by Administrative Regions. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data, interpolated from the NCEP/NCAR grids (~209km) to the 25km Northern Hemisphere Equal-Area Scalable Earth Grid (EASE-Grid) using a bi-lagrange interpolation formula. As part of the data processing of Arctic Rapid Integrated Monitoring System (ArcticRIMS) based at the Water Systems Analysis...

Methane Flux Measurements, Happy Valley, AK, 1994, Version 1.0

W. Oechel, J. Verfaillie & G. Vourlitis
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 assessing its practicality for sampling in remote flux studies. The flux-related variables measured were: wind direction and speed, friction velocity, air temperature, C02, H20, sensible and latent heat, and CO2 and CH4...

Barrow Area Remote Sensing - Brw Be Board Walk, Version 1.0

C. Tweedie
This data set contains data from board walks constructed at the site of the Barrow Biocomplexity Experiment 2006. Data were derived using the Barrow Arctic Science Consortium Differential GPS System (BASC DGPS) and exported as GIS shape files. These shape files are contained in a single ZIP file.

Polar Bears: Location and movements, Version 1.0

H. Harlow, M. Ben-David, J. Whiteman & G. Durner
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 location is not available because of the threatened species status of the subjects.

Measurements of little auks (Alle alle) at Kap Hoegh, Greenland in 2007, Version 1.0

A. Harding & N. Karnovsky
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 recorder (TDR), doubly labeled water measurements, stable isotope, geolocators, and survival measurements. Data are contained in a single Excel file.

Model Output From the 'Frost Index' Permafrost Model: Variations in Circumpolar Frozen Ground Conditions and Modeled Future Conditions, Version 1.0

F. Nelson, O. Anisimov & N. Shiklomanov
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 climate change derived from three transient general circulation models (Greco et al., 1994). The permafrost maps show the distribution of permafrost in the Northern Hemisphere under modern climatic conditions and General Climate Model (GCM) projections for 2050; the active-layer thickness maps...

ArcticRIMS: Precipitation From ERA-40 Re-analysis , Aggregated by Administrative Regions, Version 1.0

R. Lammers, M. Serreze & A. Barrett
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 Center for Atmospheric Research (NCAR) Data Support Section dataset ds117.0 (). Precipitation is archived as 6 hour accumulations of convective and large scale (Stratiform) precipitation. Daily total precipitation was computed by summing 6 hour accumulations...

Preliminary Investigation of Paleoenvironment, Processes, and Carbon Stocks of Drained Thaw-Lake Basins, Arctic Coastal Plain, Alaska, Version 1.0

W. Eisner
This data set contains Preliminary Investigation of Paleoenvironment, Processes, and Carbon Stocks of Drained Thaw-Lake Basins, Arctic Coastal Plain, Alaska data. These data contain measurements taken from 78 drained thaw-lake basins on the Arctic Coastal Plain between Barrow and Atqasuk, Alaska. Investigators collected and analyzed sediment cores to determine soil and vegetation composition, and used Landsat 7+ imagery and degree of basin polygonization to determine the relative age of the basins. Analysis of the cores...

Barrow Area Remote Sensing - Brw Be Drainage, Version 1.0

C. Tweedie
Modeled drainage points within the Barrow Biocomplexity study area. Data were derived using the Digital Elevation Model (DEM) derived for the study area from airborne Light Detection and Ranging (LiDAR) data in the Arc Hydro extension to ArgGIS 9.2. Points indicate probable interception between two or more drainage lines within the study area prior to the initiation of the flooding and draining experiment.

ArcticRIMS: NCEP Reanalysis LongWaveUp Radiation, Version 1.0

C. Vorosmarty, R. Lammers & D. Bromwich
This dataset contains NCEP Reanalysis LongWaveUp Radiation data. Gridded daily time step data from Ohio State University based on National Centers for Environmental Prediction/National Center for Atmospheric Research (NCEP/NCAR) reanalysis data, interpolated from the NCEP/NCAR grids (~209km) to the 25km Northern Hemisphere Equal-Area Scalable Earth Grid (EASE-Grid) using a bi-lagrange interpolation formula. As part of the data processing of Arctic Rapid Integrated Monitoring System (ArcticRIMS) based at the Water Systems Analysis Group (WSAG), University of...

Sea Ice Melt Ponds: Spectral Albedo, Version 1.0

C. Polashenski, K. Claffey, Z. Courville, C. Petrich & D. Perovich
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 each location, the first with the instrument oriented upward looking, and the second with the instrument oriented downward looking.

Registration Year

  • 2011
    13,473
  • 2012
    98,552
  • 2013
    19,343
  • 2014
    1,111
  • 2015
    114,475
  • 2016
    15,561
  • 2017
    10,838
  • 2018
    46,810
  • 2019
    5,005

Resource Types

  • Dataset
    266,421
  • Image
    19,034
  • Text
    16,393
  • Other
    5,059
  • InteractiveResource
    185
  • PhysicalObject
    163
  • Software
    153
  • Collection
    89
  • Audiovisual
    56
  • Event
    47
  • Model
    4

Data Centers

  • UC Santa Barbara
    118,193
  • Pitt Quantum Repository
    106,099
  • UC San Diego
    51,075
  • UC Berkeley
    29,939
  • California Digital Library
    18,393
  • UC Irvine
    498
  • UC San Francisco
    448
  • MIT Laboratory of Computational Physiology
    140
  • UC Davis
    136
  • UC Santa Cruz
    122
  • UC Los Angeles
    63
  • UC Riverside
    37
  • UC Merced
    25