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Federal
Sea Ice Index, Version 3
National Aeronautics and Space Administration —
The Sea Ice Index provides a quick look at Arctic- and Antarctic-wide changes in sea ice. It is a source for consistent, up-to-date sea ice extent and concentration... -
Federal
Canadian Ice Service Arctic Regional Sea Ice Charts in SIGRID-3 Format, Version 1
National Aeronautics and Space Administration —
The Canadian Ice Service (CIS) produces digital Arctic regional sea ice charts for marine navigation, forecasting, and climate research. The ice charts are created... -
Federal
Glacier Photograph Collection, Version 1
National Aeronautics and Space Administration —
The Glacier Photograph Collection is a database of digital photographs of glaciers from around the world, some dating back to the mid-19th century, that provide an...