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ESTAR Measurements During the Southern Great Plains Experiment (SGP99)During the Southern Great Plains experiment, the synthetic aperture radiometer, ESTAR, mapped L-band brightness temperature over a swath about 50 km wide and about 300 km long extending west from Oklahoma City to El Reno and north from the Little Washita River watershed to the Kansas border. ESTAR flew on the NASA P-3B Orion aircraft at an altitude of 7.6 km and maps were made on 7 days between July 8-20, 1999. The brightness temperature maps reflect the patterns of soil moisture expected from rainfall and are consistent with values of soil moisture observed at the research sites within the SGP99 study area and with previous measurements in this area. The data add to the resources for hydrologic modeling in this area and are further validation of the technology represented by ESTAR as a potential path to a future mission to map soil moisture globally from space.
Document ID
20010037771
Acquisition Source
Goddard Space Flight Center
Document Type
Preprint (Draft being sent to journal)
Authors
LeVine, D. M. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Jackson, T. J. (Department of Agriculture Beltsville, MD United States)
Swift, C. T. (Massachusetts Univ. Amherst, MA United States)
Haken, M. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Bidwell, S. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Zukor, Dorothy J.
Date Acquired
September 7, 2013
Publication Date
January 1, 2001
Subject Category
Earth Resources And Remote Sensing
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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