Crash Course on Snow and Ice


Reading List

Are you interested in reading more about sea ice and climate change? Below you will find links to background information on climate, as well as a short bibliography of scholarly articles related to the Arctic climate. Sea ice information Arctic... Read more »


Data 101

NSIDC Arctic Sea Ice News & Analysis relies on sea ice extent and concentration data from satellite sensors operated by the United States Department of Defense, the Defense Meteorological Satellite Program (DMSP) Special Sensor Microwave Imager/Sounder (SSMIS). The sensors, called... Read more »


Arctic sea ice 101

The Arctic Ocean is blanketed by sea ice that expands during the frigid Arctic winter, reaching a maximum extent in March. Sea ice retreats during the summer, reaching its minimum extent in September. The Arctic ice cover plays an important... Read more »