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Federal
Marine Trackline Geophysical Database NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set contains bathymetry, magnetic, gravity and seismic shot point navigation data collected during marine cruises from 1939 to the present. Coverage is... -
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...