Crash Course on Snow and Ice


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 »


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 »