Uncertainties in the Rain Profiling Algorithm for the TRMM Precipitation Radar(1. Precipitation Radar (PR),<Special Issue>Precipitation Measurements from Space)
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概要
- 論文の詳細を見る
This paper describes the basic structure and flow of the rain profiling algorithm for the TRMM Precipitation Radar, and discusses the major assumptions and sources of error in the algorithm. In particular, it describes how the uncertainties in individual parameters affect the attenuation correction and rain estimates. Major parameters involved are the drop size distribution, the phase state of precipitating particles, their density and shape, inhomogeneity of precipitation distribution within the footprint, attenuation due to cloud liquid water and water vapor, freezing height, uncertainty of the surface scattering cross section, and fluctuation of the radar echo signal. Among these parameters that affect the rain estimates, the effect of inhomogeneity of rain distribution is summarized in detail. The paper also describes how these parameters are taken into account in different versions of the standard algorithm 2A25.
- 社団法人日本気象学会の論文
- 2009-03-31
著者
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KOZU Toshiaki
Shimane University
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IGUCHI Toshio
National Institute of Information and Communications Technology
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KWIATKOWSKI John
George Mason University
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AWAKA Jun
Department of Marine Biology and Sciences, Tokai University, Sapporo Campus
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Awaka Jun
Department Of Marine Biology And Sciences Tokai University Sapporo Campus
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Kubota Takuji
Earth Observation Research Center Japan Aerospace And Exploration Agency
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Kubota Takuji
Japan Aerospace And Exploration Agency
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Kubota Takuji
Earth Observation Research Center Jaxa
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Iguchi Toshio
Applied Electromagnetic Research Center National Institute Of Information And Communications Technol
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Meneghini Robert
NASA GSFC
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Okamoto K
Faculty Of Environmental And Information Studies Tottori University Of Environmental Studies
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Okamoto Ken'ichi
Tottori University Of Environmental Studies
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Meneghini Robert
Nasa Goddard Space Flight Center
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Kozu Toshiaki
Shimane Univ. Matsue‐shi Jpn
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Awaka Jun
Department of Marine Biology and Sciences, Tokai University Sapporo Campus
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