Maintained by: Operated under a cooperative agreement between the University of Colorado, Cooperative Institute for Research in Environmental Sciences (CIRES), and the National Oceanic Atmospheric Administration (NOAA). The WDC for Glaciology, Boulder is collocated with the National Snow and Ice Data Center (NSIDC).

Summary of Data Held: Digital data on numerous forms of snow and ice research including snow depth and extent; sea ice extent and concentration; ice cores; passive microwave data; freshwater ice. Other data holdings include imagery, an historical glacier photograph collection, and published information relating to all aspects of snow, ice, and permafrost research.

User Services: Located at 1540 30th Street, Boulder, Colorado. The WDC for Glaciology, Boulder is open to visitors during normal working hours. Data copying, processing and analysis are available through in-house computers and image analysis capabilities. Literature searches on any topic can be performed on CITATION, the in-house on-line bibliographic data bank. Mail and telephone queries are welcome.

Publications: Quarterly accessions list, bibliographies, inventories, data reports in Glaciological Data series. Data announcements describing individual data sets held by the WDC USA are available on request.