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Federal
National Bridge Inventory NGDA
Department of Transportation —
The National Bridge Inventory dataset is as of June 20, 2025 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of Transportation... -
Federal
USGS Water Use Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The U.S. Geological Survey's National Water-Use Information Program is responsible for compiling and disseminating the nation's water-use data. The USGS works in... -
Federal
TIGER/Line Shapefile, 2018, nation, U.S., Current County and Equivalent National Shapefile
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
Federal
Multistate Capture and Search Data from the Southern Beaufort Sea Polar Bear Subpopulation in Alaska, 2001-2016
Department of the Interior —
This data release contains two tables of information on polar bear distributions in the southern Beaufort Sea during spring, from 2001 to 2016. One table provides... -
Federal
United States Climate Reference Network (USCRN) Processed Data from the Version 2 USCRN Database
National Oceanic and Atmospheric Administration, Department of Commerce —
USCRN Processed data are interpreted values and derived geophysical parameters processed from raw data by the USCRN Team. Data were interpreted and ingested into a... -
Federal
AMSR-E/Aqua 5-Day L3 Global Snow Water Equivalent EASE-Grids V002
National Aeronautics and Space Administration —
These Level-3 Snow Water Equivalent (SWE) data sets contain SWE data and quality assurance flags mapped to Northern and Southern Hemisphere 25 km Equal-Area Scalable... -
Federal
Arctic Sea Ice Charts from Danish Meteorological Institute, 1893 - 1956, Version 1
National Aeronautics and Space Administration —
These charts, created by the Danish Meteorological Institute (DMI), provide observed and inferred sea ice extent for each summer month from 1893 to 1956. From 1893 to... -
Federal
The Dehn Collection of Arctic Sea Ice Charts, 1953-1986, Version 1
National Aeronautics and Space Administration —
The National Snow and Ice Data Center holds a collection of charts depicting ice conditions in the seas off Alaska and western Canadian coasts. Ice edge position and... -
Federal
U.S. National Ice Center Arctic Sea Ice Charts and Climatologies in Gridded Format, 1972 - 2007, Version 1
National Aeronautics and Space Administration —
Notice: Due to funding limitations, this data set was recently changed to a “Basic” Level of Service. Learn more about what this means for users and how you can share... -
Federal
NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 5
National Aeronautics and Space Administration —
This data set provides a Climate Data Record (CDR) of sea ice concentration from passive microwave data. The CDR algorithm output is a rule-based combination of ice... -
Federal
International Bathymetric Chart of the Arctic Ocean, Version 1.0
National Oceanic and Atmospheric Administration, Department of Commerce —
The goal of this initiative is to develop a digital data base that contains all available bathymetric data north of 64 degrees North, for use by mapmakers,... -
Federal
MODIS/Aqua Near Real Time (NRT) Coarse Sea Ice Extent 5-Min L2 Swath 5km
National Aeronautics and Space Administration —
MODIS/Aqua Near Real Time (NRT) Coarse Sea Ice Extent 5-Min L2 Swath 5km (MYD29L2C) data set contains fields for sea ice by reflectance, sea ice by reflectance pixel... -
Federal
IceBridge Sander AIRGrav L1B Geolocated Free Air Gravity Anomalies V002
National Aeronautics and Space Administration —
This data set contains gravity measurements, including acceleration data in three orthogonal directions, from the Sander Geophysics AIRGrav airborne gravity system.... -
Federal
Social Vulnerability Index (SoVI) for Alaska based on 2000 Census Block Groups
National Oceanic and Atmospheric Administration, Department of Commerce —
This data depicts the social vulnerability of Alaska census block groups to environmental hazards. Data were culled primarily from the 2000 Decennial Census. -
Federal
MEaSUREs Global Record of Daily Landscape Freeze/Thaw Status V005
National Aeronautics and Space Administration —
This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, contains a global record of the daily... -
Federal
International Geophysical Year, 1957-1958: Drifting Station Alpha Documentary Film, Version 1
National Aeronautics and Space Administration —
This film documents the activities that occurred on Drifting Station Alpha in the Arctic Ocean during the International Geophysical Year, 1957 to 1958. The film is... -
Federal
CLPX-Ground: ISA Snow Depth Transects and Related Measurements, Version 2
National Aeronautics and Space Administration —
This data set consists of snow depth data from nine study areas, within three larger-scale areas in northern Colorado (Fraser, North Park, and Rabbit Ears Meso-cell... -
Federal
Greenland Climate Network (GC-Net) Radiation for Arctic System Reanalysis, Version 1
National Aeronautics and Space Administration —
This data set provides incoming shortwave radiation measurements from fourteen stations of the Greenland Climate Network (GC-Net) distributed over the Greenland Ice... -
Federal
Climatological Atlas of the Nordic Seas and Northern North Atlantic (NCEI Accession 0118478)
National Oceanic and Atmospheric Administration, Department of Commerce —
This Atlas is a result of an international collaboration between the Arctic and Antarctic Research Institute (Russia), Geophysical Institute, University of Bergen... -
Federal
Avian Point Transect Survey, Seward Peninsula, Alaska, 2012
Department of the Interior —
This data package contains three tables: 1) avian point-transect survey data collected on the Seward Peninsula in 2012, 2) locations of all survey sites, and 3) an...