Cooperative Institute for Research in Environmental Sciences

The Big Thaw: Ground-Truthing Permafrost in Alaska


An international team of researchers led by the National Snow and Ice Data Center (NSIDC), part of CIRES, traveled to Toolik Lake on the North Slope of Alaska to study permafrost dynamics and change. 


Nimbus: Recovering the Past


50 years ago, NASA launched Nimbus to study Earth from space. Now, experts at the National Snow and Ice Data Center (part of CIRES), are recovering valuable information from old film and expanding their understanding of sea ice in the Arctic and Antarctic.