On a Scientific Assessment for a Third Flight of the Shuttle Radar Laboratory Letter Report (1995) / Chapter Skim
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Letter Report
Letter Report
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Charles Kennel, associate administrator for NASA's Office on Mission to Planet Earth. The Committee on Earth Studies of the Space Studies Board held a workshop at the Beckman Center from January 9th to January 11th to begin the study of spaceborne synthetic aperture radar (SAR)
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Thus, although it is understandable why active microwave sensors have not occupied a more prominent role in the early development of the planning for the Mission to Planet Earth, it should be expected that they will become increasingly important in the future -- and likely be indispensable in some applications. Putting aside for the moment the committee's generally favorable view of the long term potential of SAR measurements for the Mission to Planet Earth, the committee recognizes that a major immediate issue that you are facing is deciding whether or not to seek a third flight of the Shuttle Radar Laboratory (SRL-3)
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This biomass range includes all forests except mature old-growth forests in temperate regions and some areas of tropical rain forests. Because of their sensitivity to structural characteristics, multiparameter SAR systems offer a means to classify vegetation cover.
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The flight would also provide added information that could be used to explore whether additional data on land-surface characteristics are present in interferometric SAR data. q Ice Sheets and Glaciers Amplitude data alone permit the determination of snow facies, seasonal melt, surface morphology, ice velocity in rapidly moving regions, and iceberg production.
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q Solid Earth SAR has demonstrated its utility as an all-weather, geologic mapping tool that offers high spatial resolution. A steerable antenna provides rapid site revisit.
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Interferometric SAR has demonstrated the capability to image surface deformation at the millimeter level on regional scales. This capability would permit the measurement of large-scale topographic changes associated with earthquake cycles, small-scale topographic changes due to volcanic inflation/deflation, lava flows, erosion, human activities, migration of mobile geologic features (e.g., sand dunes and glaciers)
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Taranik, Desert Research Institute NASA Headquarters Miriam Baltuck Charles Kennel Richard Monson Ernest Paylor NASA Jet Propulsion Laboratory Frank Carsey Diane Evans Mike Kobrick Fuk Li Donald Montgomery Jeff Plaut Michael Sander Steve Wall Jakob van Zyl http://www7.nationalacademies.org/ssb/sar_1.html (7 of 8)
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Space Studies Board NASA Goddard Space Flight Center Robert Bindschadler NOAA Jonathon Malay Robert Winokur Last update 2/11/00 at 11:47 am Site managed by Anne Simmons, Space Studies Board Site managed by the SSB Web Group. To comment on this Web page or report an error, please send feedback to the Space Studies Board.
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