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    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
Arctic Sea Ice Freeboard and Thickness, Version 1
National Aeronautics and Space Administration —
This data set provides measurements of sea ice freeboard and sea ice thickness for the Arctic region. The data were derived from measurements made by from the Ice,... - 
  
    Federal
Sea Ice Trends and Climatologies from SMMR and SSM/I-SSMIS, Version 3
National Aeronautics and Space Administration —
NSIDC provides this data set to aid investigations of variability and trends in sea ice cover. Ice cover in these data are indicated by sea ice concentration: the... - 
  
    Federal
IceBridge DMS L0 Raw Imagery, Version 1
National Aeronautics and Space Administration —
This data set contains Level-0 imagery taken from the Digital Mapping System (DMS) over Antarctica and Greenland. The data were collected as part of Operation... - 
  
    Federal
Arctic Ocean Drift Tracks from Ships, Buoys, and Manned Research Stations, 1872-1973, Version 1
National Aeronautics and Space Administration —
Thirty-four drift tracks in the Arctic Ocean pack ice are collected in a unified tabular data format, one file per track. Data are from drifting ships, manned... - 
  
    Federal
Nimbus-7 SMMR Polar Gridded Radiances and Sea Ice Concentrations, Version 1
National Aeronautics and Space Administration —
This data set contains gridded brightness temperatures and sea ice concentrations for both polar regions. Brightness temperature and sea ice concentration grids have... - 
  
    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
Arctic Ice Dynamics Joint Experiment (AIDJEX) Second Pilot Study, March - May 1972: A Documentary Film, Version 1
National Aeronautics and Space Administration —
The project described in this documentary was a pilot study conducted in 1972 in preparation for the AIDJEX main experiment of 1975 to 1976. The study included a main... - 
  
    Federal
Satellite Observations of Arctic Change, Version 1
National Aeronautics and Space Administration —
The purpose of this site is to expose NASA satellite data and research on Arctic change in the form of maps that illustrate the changes taking place in the Arctic...