The World Data Center (WDC) for Glaciology, Boulder is maintained at the National Snow and Ice Data Center (NSIDC), USA. As one of more than 40 WDCs around the world that are collecting, archiving, and distributing geophysical data, the World Data Center for Glaciology provides a focus for snow and ice information services.
This site describes the center's history, and lists the catalogue of available datasets. Data sets cover the subject areas of glaciers, avalanches, snow cover, polar ice masses, ice cores, sea ice, and fresh water ice. In addition, the WDC includes extensive library holdings.