-
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
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
International Geophysical Year, 1957-1958: Drifting Station Alpha Documentary Film, Version 1
National Aeronautics and Space Administration —
This film documents the activities that occurred on Drifting Station Alpha in the Arctic Ocean during the International Geophysical Year, 1957 to 1958. The film is...