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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
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
Avian Habitat Data, Seward Peninsula, Alaska, 2012
Department of the Interior —
This data package contains two tables with habitat measurements from each sampling point used in avian point-transect surveys on the Seward Peninsula in 2012 and the... -
Federal
Northern Hemisphere EASE-Grid 2.0 Weekly Snow Cover and Sea Ice Extent, Version 4
National Aeronautics and Space Administration —
The main parameters for this data set are snow cover and sea ice extent; both parameters are derived from SMMR and DMSP-F8, -F11, -F13, and -F17 SSM/I and SSMIS... -
Federal
EPA Tribes (2 of 6): Alaska Native Villages
U.S. Environmental Protection Agency —
This layer represents center points of Alaska Native Villages. The Alaska Native Villages are associated with Federally recognized tribal entities. -
Federal
Nadir Photographs Taken During Low-Altitude Transects of the Arctic Network of National Park Units and Selawik National Wildlife Refuge, Alaska, July 2013
Department of the Interior —
This dataset contains aerial nadir digital photos and ecotype classification data determined from the photos. Aerial nadir photos were taken at 5 second intervals of... -
Federal
International Ice Patrol (IIP) Iceberg Sightings Database, Version 1
National Aeronautics and Space Administration —
The International Ice Patrol (IIP) has been collecting information on iceberg activity in the North Atlantic since 1913. This database contains the data from these... -
Federal
AMSRIce03 MODIS Imagery, Version 1
National Aeronautics and Space Administration —
This data set contains Moderate Resolution Imaging Spectroradiometer (MODIS) imagery of the Alaska, USA area, complementing the joint in situ and aircraft Advanced... -
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
Snow Melt Onset Over Arctic Sea Ice from SMMR and SSM/I-SSMIS Brightness Temperatures, Version 5
National Aeronautics and Space Administration —
This data set includes yearly snow melt onset dates over Arctic sea ice derived from Scanning Multichannel Microwave Radiometer (SMMR), Special Sensor... -
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
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...