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Synergistic use of active and passive microwave in soil moisture estimationData gathered during the MACHYDRO experiment in central Pennsylvania in July 1990 have been utilized to study the synergistic use of active and passive microwave systems for estimating soil moisture. These data sets were obtained during an eleven-day period with NASA's Airborne Synthetic Aperture Radar (AIRSAR) and Push-Broom Microwave Radiometer (PBMR) over an instrumented watershed which included agricultural fields with a number of different crop covers. Simultaneous ground truth measurements were also made in order to characterize the state of vegetation and soil moisture under a variety of meteorological conditions. A combination algorithm is presented as applied to a representative corn field in the MACHYDRO watershed.
Document ID
Document Type
Conference Paper
O'Neill, P.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Chauhan, N.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Jackson, T.
(USDA, Hydrology Lab. Beltsville, MD, United States)
Saatchi, S.
(JPL Pasadena, CA, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1992
Publication Information
Publication: In: IGARSS '92; Proceedings of the 12th Annual International Geoscience and Remote Sensing Symposium, Houston, TX, May 26-29, 1992. Vol. 1 (A93-47551 20-43)
Subject Category
Earth Resources And Remote Sensing
Accession Number
Distribution Limits

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