NASA National Snow and Ice Data Center Distributed Active Archive Center
Data Center Description http://nsidc.org/daac/ The NSIDC Distributed Active Archive Center (DAAC) at the National Snow and Ice Data Center (NSIDC), provides data and information on snow and ice processes, especially interactions among snow, ice, atmosphere and ocean, in support of research in global change detection and model validation, and provides general data and information services to the cryospheric and polar processes research community. Passive microwave, and high-level products from in situ data, are emphasized: land surface properties (snow and ice cover, permafrost), ocean variables (sea ice type, extent and concentration), related atmospheric variables (temperature, precipitation), and paleoclimates (glacier and ice sheet information).
NSIDC DAAC Data Availability Snow and ice data products from the NASA Earth Observing System (EOS) program including data from MODIS, AMSR, and GLAS. Passive microwave-derived products from DMSP SSM/I, Nimbus-7 SMMR, Nimbus-5 ESMR include gridded brightness temperatures, daily and monthly sea ice concentrations, ice extent and ice type information, and Pathfinder SSM/I non-averaged grids and level 3 derived products; for both polar regions. Most products are available on CD-ROM. Altimeter products (Seasat and GEOSAT) from NASA Goddard Space Flight Center distributed by NSIDC DAAC as gridded elevation data, ice data records, and waveform data for limited study areas on the ice sheets of Greenland and Antarctica. In the future, these data will be available on CD-ROM. AVHRR LAC and HRPT scenes (1.1 km resolution at nadir, unprocessed raw data) for both polar regions via ftp. Pending approval of algorithms by the science community, NSIDC DAAC will generate polar maps of geophysical parameters such as ice surface temperatures, albedo, and sea ice motion vectors.
Accessing NSIDC DAAC Data Data are available from NSIDC DAAC and NSIDC on a variety of media dependent on data set. Media types supported include CD-ROM, ftp, floppy diskette, 9-track, 4mm, and 8mm tape. For further information contact: NSIDC User Services National Snow and Ice Data Center Campus Box 449 University of Colorado Boulder, CO 80309-0449 USA firstname.lastname@example.org Voice: 303-492-6199 Fax: 303-492-2468