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EDC DAAC

http://edcwww.cr.usgs.gov/landdaac/



satellite data, Landsat 7, Terra

The Earth Resources Observation Systems (EROS) Data Center (EDC) Distributed Active Archive Center (EDC DAAC) was established as part of NASA's Earth Observing System (EOS) Data and Information System (EOSDIS) initiative to process, archive, and distribute land-related data collected by EOS sensors, thereby promoting the interdisciplinary study and understanding of the integrated Earth system. The EDC DAAC role subsequently was expanded to include processing and distribution responsibilities related to Landsat 7 data. Landsat 7 was launched successfully on April 15, 1999, and the EOS Terra satellite (formerly EOS AM-1) is scheduled for launch during the summer of 1999. The Landsat 7 sensor, Enhanced Thematic Mapper, Plus (ETM+) will begin routine data acquisition for public distribution on or about July 6, 1999. Terra will carry two sensing systems for which the EDC DAAC will have data processing and/or distribution responsibilities. These are the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) and the Moderate Resolution Imaging Spectroradiometer (MODIS). Prior to launch of Landsat 7 and Terra, the EDC DAAC distributed a variety of prototype and precursor data and products commonly known as Version 0 Data and Products. These data and products currently still are available from the EDC DAAC, and they may be ordered by logging on the EOS Data Gateway (EDG), formerly known as the Version 0 Information Management System (V0 IMS), or via links associated with individual data sets.







, United States