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The L-band radiometric measurements of FIFE test site in 1987-1988Emissivity dependence in the L-band on senescent vegetation is examined with the Push-Broom Microwave Radiometer (PBMR) aboard a NASA C-130 with special attention given to areas near two watersheds. Volumetric soil moisture is examined, and comparisons are given of burned and unburned areas. The factors are examined that contribute to differences between soil-moisture values and the ratio of L-band PBMR brightness temperature and the soil temperature measured at 2.5 cm. The explanations posited include improper calibration, extreme dryness at the time of measurements, and the difference in vegetation covers.
Document ID
19920030694
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Wang, J. R. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Shiue, J. C. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Schmugge, T. J. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Engman, E. T. (USDA, Beltsville Agricultural Research Center MD, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1990
Subject Category
Earth Resources And Remote Sensing
Meeting Information
Meeting: Symposium on FIFE - First ISLSCP Field Experiment
Location: Anaheim, CA
Country: United States
Start Date: February 7, 1990
End Date: February 9, 1990
Accession Number
92A13318
Distribution Limits
Public
Copyright
Other

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