The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) after fifteen years: Review of global products |
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Affiliation: | 1. Bermuda Institute of Ocean Sciences, 17 Biological Station, St. George''s GE01, Bermuda;2. Geography Department, University of California at Santa Barbara, Santa Barbara, CA 93106-4060, United States;3. Department of Geography, University of Utah, 260 S Central Campus Dr., Room 270, Salt Lake City, UT 84112, United States;4. Jet Propulsion Laboratory, M/S 183-501, 4800 Oak Grove Drive, Pasadena, CA 91109, United States;1. Department of Geology and Planetary Science, University of Pittsburgh, Pittsburgh, PA, USA;2. Laboratoire Magmas et Volcans, Université Blaise Pascal, Clermont-Ferrand, France;3. Planetary Science Institute, 1700 E. Ft. Lowell Rd., Suite 106, Tucson, AZ, USA |
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Abstract: | The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) is a 15-channel imaging instrument operating on NASA’s Terra satellite. A joint project between the U.S. National Aeronautics and Space Administration and Japan’s Ministry of Economy, Trade, and Industry, ASTER has been acquiring data for 15 years, since March 2000. The archive now contains over 2.8 million scenes; for the majority of them, a stereo pair was collected using nadir and backward telescopes imaging in the NIR wavelength. The majority of users require only a few to a few dozen scenes for their work. Studies have ranged over numerous scientific disciplines, and many practical applications have benefited from ASTER’s unique data. A few researchers have been able to mine the entire ASTER archive, that is now global in extent due to the long duration of the mission. Six examples of global products are described in this contribution: the ASTER Global Digital Elevation Model (GDEM), the most complete, highest resolution DEM available to all users; the ASTER Emissivity Database (ASTER GED), a global 5-band emissivity map of the land surface; the ASTER Global Urban Area Map (AGURAM), a 15-m resolution database of over 3500 cities; the ASTER Volcano Archive (AVA), an archive of over 1500 active volcanoes; ASTER Geoscience products of the continent of Australia; and the Global Ice Monitoring from Space (GLIMS) project. |
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Keywords: | ASTER Terra Earth Observing System Global data |
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