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The Geoscience Data Exchange (GDEX) mission is to provide public access to data and other digital research assets related to the Earth and its atmosphere, oceans, and space environment. GDEX fulfills federal and scientific publication requirements for open data access by: Providing long-term curation and stewardship of research assets; Enabling scientific transparency and traceability of research findings in digital formats; Complementing existing NCAR community data management and archiving capabilities; Facilitating openness and accessibility for the public to leverage the research assets and thereby benefit from NCAR's historical and ongoing scientific research. This mission intentionally supports and aligns with those of NCAR and its sponsor, the National Science Foundation (NSF).
!!! We will terminate ASTER Products Distribution Service in March 2016 although we have been providing ASTER Products since November 20, 2000. !!! ASTER (Advanced Spaceborne Thermal Emission and Reflection radiometer) is the high efficiency optical imager which covers a wide spectral region from the visible to the thermal infra-red by 14 spectral bands. ASTER acquires data which can be used in various fields in earth science. ASTER was launched from Vandenberg Air Force Base in California, USA in 1999 aboard the Terra, which is the first satellite of the EOS Project. The purpose of ASTER project is to make contributions to extend the understanding of local and regional phenomena on the Earth surface and its atmosphere. The followings are ASTER related information, which includes ASTER instrument, ASTER Ground Data System, ASTER Science Activities, ASTER Data Distribution and so on. ASTER Search provides services to search and order ASTER data products on the website.