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Looking for facts and information? See About the Cryosphere.
Icelights: Answers to your burning questions about ice and climate
What's hot in the news around climate and sea ice and what are scientists talking about now? Read more...
What is the Cryosphere?
When scientists talk about the cryosphere, they mean the places on Earth where water is in its solid form, frozen into ice or snow. Read more ...
This data set contains spot elevation measurements of Greenland, Arctic, and Antarctic sea ice acquired using the NASA Airborne Topographic Mapper (ATM) 4CT3 narrow scan instrumentation. The data were collected as part of Operation IceBridge funded aircraft survey campaigns.
Version 2 data are in HDF5 format beginning with the 2013 Arctic campaign.
Version 1 data are in Qfit binary format for 2012 and earlier campaigns.
N: 90, S: 60, E: 180, W: -180
N: -53, S: -90, E: 180, W: -180