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Proceedings Paper

Fast passive microwave radiative transfer in precipitating clouds: toward direct radiance assimilation
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Paper Abstract

A new, fast radiative transfer model including scattering has been developed for the purpose of microwave radiance assimilation in cloudy and precipitating areas. The model uses a technique called successive order of interaction (SOI) which is based on a blending of the doubling and the successive order of scattering techniques. An adjoint and tangent linear version of the model are also available. Within this paper we present first applications of the SOI model. We compare brightness temperatures simulated from NCEP's Global Forecasting System (GFS) using a non-scattering version of the SOI model with global satellite data obtained by the Advanced Scanning Microwave Radiometer (AMSR-E) onboard NASA's Aqua spacecraft. Additionally, we show first sensitivity studies using the adjoint model for cases that include scattering by liquid and frozen precipitation.

Paper Details

Date Published: 22 December 2004
PDF: 5 pages
Proc. SPIE 5654, Microwave Remote Sensing of the Atmosphere and Environment IV, (22 December 2004); doi: 10.1117/12.578801
Show Author Affiliations
Ralf Bennartz, Univ. of Wisconsin/Madison (United States)
Chris O'Dell, Univ. of Wisconsin/Madison (United States)
Thomas J. Greenwald, Univ. of Wisconsin/Madison (United States)
Andrew K. Heidinger, National Oceanic and Atmospheric Administration/NESDIS (United States)

Published in SPIE Proceedings Vol. 5654:
Microwave Remote Sensing of the Atmosphere and Environment IV
Gail Skofronick Jackson; Seiho Uratsuka, Editor(s)

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