This site from NSIDC is a national information and referral center in support of polar and cryospheric research. It archives and distributes digital and analog snow and ice data and maintains information about snow cover, avalanches, glaciers, ice sheets, freshwater ice, sea ice, ground ice, permafrost, atmospheric ice, paleoglaciology, and ice cores. The site provides links to data products and services, sponsored activities, exploring the cryosphere and NSIDC history, photos, publications, and events.
