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Use of microwave satellite data to study variations in rainfall over the Indian OceanThe University of Wisconsin Space Science and Engineering Center mapped rainfall over the Indian Ocean using a newly developed Scanning Multichannel Microwave Radiometer (SMMR) rain-retrieval algorithm. The short-range objective was to characterize the distribution and variability of Indian Ocean rainfall on seasonal and annual scales. In the long-range, the objective is to clarify differences between land and marine regimes of monsoon rain. Researchers developed a semi-empirical algorithm for retrieving Indian Ocean rainfall. Tools for this development have come from radiative transfer and cloud liquid water models. Where possible, ground truth information from available radars was used in development and testing. SMMR rainfalls were also compared with Indian Ocean gauge rainfalls. Final Indian Ocean maps were produced for months, seasons, and years and interpreted in terms of historical analysis over the sub-continent.
Document ID
19900012185
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Hinton, Barry B. (Wisconsin Univ. Madison, WI, United States)
Martin, David W. (Wisconsin Univ. Madison, WI, United States)
Auvine, Brian (Wisconsin Univ. Madison, WI, United States)
Olson, William S. (Wisconsin Univ. Madison, WI, United States)
Date Acquired
September 6, 2013
Publication Date
March 1, 1990
Subject Category
Meteorology And Climatology
Report/Patent Number
NASA-CR-186408
NAS 1.26:186408
Accession Number
90N21501
Funding Number(s)
CONTRACT_GRANT: NAGW-920
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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