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Federal
Population Estimates: Population Estimates
Department of Commerce —
Annual Population Estimates for the United States, States, Metropolitan Statistical Areas, Micropolitan Statistical Areas, Counties, Incorporated Places, and Minor... -
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
Freight Analysis Framework (FAF5) Regions
Department of Transportation —
The Freight Analysis Framework (FAF5) - Regions dataset was created from 2017 base year data and was published on April 11, 2022 from the Bureau of Transportation... -
Federal
Navigable Waterway Network Nodes NGDA
Department of Transportation —
The Navigable Waterway Network Nodes dataset is periodically updated by the United States Army Corp of Engineers (USACE) and is part of the U.S. Department of... -
Federal
NOAA/WDS Paleoclimatology - The International Tree-Ring Data Bank (ITRDB) Revisited
National Oceanic and Atmospheric Administration, Department of Commerce —
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for... -
Federal
MODIS/Aqua Sea Ice Extent and IST Daily L3 Global 4km EASE-Grid Day V061 NGDA
National Aeronautics and Space Administration —
This global Level-3 (L3) data set provides Northern and Southern Hemisphere maps of sea ice extent and ice surface temperature. The maps are generated by compositing... -
Federal
Arctic Water Vapor Characteristics from Rawinsondes, Version 1
National Aeronautics and Space Administration —
A gridded climatological monthly-mean data base of Arctic water vapor characteristics has been assembled by combining fixed station data with data from soundings... -
Federal
MODIS/Terra Sea Ice Extent and IST Daily L3 Global 4km EASE-Grid Day V061 NGDA
National Aeronautics and Space Administration —
This global Level-3 (L3) data set provides Northern and Southern Hemisphere maps of sea ice extent and ice surface temperature. The maps are generated by compositing... -
Federal
Productivity, chlorophyll a, Photosynthetically Active Radiation (PAR) and other phytoplankton data from the Arctic Ocean, Bering Sea, Chukchi Sea, Beaufort Sea, East Siberian Sea, Kara Sea, Barents Sea, and Arctic Archipelago measured between 17 April, 1954 and 30 May, 2006 compiled as part of the Arctic System Science Primary Production (ARCSS-PP) observational synthesis project (NCEI Accession 0063065)
National Oceanic and Atmospheric Administration, Department of Commerce —
Arctic Ocean primary production data were assembled from original input data archived in various international databases, provided by individual investigators or in... -
Federal
Geologic Provinces of the Circum-Arctic, 2008 (north of the Arctic Circle)
Department of the Interior —
This shapefile includes arcs and polygons that describe U.S. Geological Survey defined 33 geologic provinces of the Circum-Arctic (north of the Arctic Circle). Each... -
Federal
Airborne Surface Profiling of Alaskan Glaciers, 1994 - 2001, Version 1
National Aeronautics and Space Administration —
This data set consists of glacier outline, laser altimetry profile, and surface elevation change data for 46 glaciers in Alaska and British Columbia, Canada, measured... -
Federal
MODIS/Aqua Sea Ice Extent Daily L3 Global 1km EASE-Grid Day V061 NGDA
National Aeronautics and Space Administration —
This global Level-3 (L3) data set provides daily daytime sea ice extent and ice surface temperature derived from the 'MODIS/Aqua Sea Ice Extent 5-Min L2 Swath 1km'... -
Federal
Sea Ice Edge Location and Extent in the Russian Arctic, 1933-2006, Version 1
National Aeronautics and Space Administration —
The Sea Ice Edge Location and Extent in the Russian Arctic, 1933-2006 data are derived from sea ice charts from the Arctic and Antarctic Research Institute (AARI),... -
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
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
MEaSUREs Arctic Sea Ice Characterization Daily 25km EASE-Grid 2.0 V001
National Aeronautics and Space Administration —
This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, provides a daily record of Arctic sea ice... -
Federal
Arctic Marine Transportation Program 1979-1986, Version 1
National Aeronautics and Space Administration —
The purpose of this program was to collect data relevant to developing year-round transportation capabilities in the Arctic Ocean. The US Maritime Administration... -
Federal
MODIS/Aqua Sea Ice Extent 5-Min L2 Swath 1km NRT
National Aeronautics and Space Administration —
MODIS/Aqua Sea Ice Extent 5-Min L2 Swath 1km Near Real Time (NRT), short name MYD29, contains the following fields: sea ice by reflectance, sea ice by reflectance... -
Federal
NASA SCP Arctic and Antarctic Ice Extent from QuikSCAT, 1999-2009, Version 2
National Aeronautics and Space Administration —
This data set provides sea ice extent for the Arctic (60-90 degrees North) and Antarctic (52-90 degrees South) in Scatterometer Image Reconstruction (SIR) binary...