An Intercomparison between MSR and SI Retrieved Rain Rates

Yuji OHSAKI  Masaharu FUJITA  

IEICE TRANSACTIONS on Communications   Vol.E75-B   No.5   pp.422-426
Publication Date: 1992/05/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Satellite Communication
MSR,  MOS-1,  SI,  GMS,  rain measurement,  

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Rain rates are estimated from brightness temperature measured with a Microwave Scanning Radiometer (MSR) carried on board the Marine Observation Satellite 1 (MOS-1). Estimations are made using a rain rate retrieval algorithm based on a radiative-transfer model assuming rain spaced uniformly over the ocean. These values are compared with a Satellite-Derived Index of Precipitation Intensity (SI), which estimates the rain rate from visible and infrared images of a Geostationary Meteorological Satellite in conjunction with rain observation by a radar network of the Japan Meteorological Agency. Good correlation between MSR and SI derived rain rates validates the rain-rate retrieval algorithm.