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The Alaska Satellite Facility is a NASA Distributed Active Archive Center (DAAC) and receiving ground station for Synthetic Aperture Radar (SAR), Sea Ice, Polar Processes, and Geophysics.
http://www.asf.alaska.edu/
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Manages environmental data in the fields of marine geology and geophysics, paleoclimatology, solar-terrestrial physics, solid earth geophysics, and glaciology (snow and ice).
http://www.ngdc.noaa.gov/
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