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The Precipitation Rate Retrieval Algorithms for the GPM Dual-frequency Precipitation Radar
http://hdl.handle.net/10069/00040976
http://hdl.handle.net/10069/00040976da048e1c-c564-45cd-84b2-41e4225b495e
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||||||||||||||||
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公開日 | 2021-10-19 | |||||||||||||||||||
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タイトル | The Precipitation Rate Retrieval Algorithms for the GPM Dual-frequency Precipitation Radar | |||||||||||||||||||
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言語 | eng | |||||||||||||||||||
キーワード | ||||||||||||||||||||
主題Scheme | Other | |||||||||||||||||||
主題 | Drop size distribution | |||||||||||||||||||
キーワード | ||||||||||||||||||||
主題Scheme | Other | |||||||||||||||||||
主題 | Non-uniform beam filling correction | |||||||||||||||||||
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主題Scheme | Other | |||||||||||||||||||
主題 | Precipitation radar | |||||||||||||||||||
キーワード | ||||||||||||||||||||
主題Scheme | Other | |||||||||||||||||||
主題 | Scattering table | |||||||||||||||||||
キーワード | ||||||||||||||||||||
主題Scheme | Other | |||||||||||||||||||
主題 | Surface reference technique | |||||||||||||||||||
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資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||||||||||
資源タイプ | journal article | |||||||||||||||||||
著者 |
SETO, Shinta
× SETO, Shinta
× IGUCHI, Toshio
× MENEGHINI, Robert
× AWAKA, Jun
× KUBOTA, Takuji
× MASAKI, Takeshi
× TAKAHASHI, Nobuhiro
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内容記述タイプ | Abstract | |||||||||||||||||||
内容記述 | In this paper, precipitation rate retrieval algorithms for the Global Precipitation Measurement mission’s Dualfrequency Precipitation Radar (DPR) are developed. The DPR consists of a Ku-band radar (KuPR; 13.6 GHz) and a Ka-band radar (KaPR; 35.5 GHz). For the KuPR, an algorithm similar to the Tropical Rainfall Measuring Mission’s Precipitation Radar algorithm is developed, with the relation between precipitation rate R and massweighted mean diameter Dm (R−Dm relation) replacing the relation between the specific attenuation k and effective radar reflectivity factor Ze . The R−Dm relation can also be applied to the KaPR and dual-frequency algorithms. In both the single-frequency and dual-frequency algorithms, the forward retrieval method is applied with an as sumed adjustment factor for the R−Dm relation (ε) and the results are evaluated to select the best value of ε. The advantages of the dual-frequency algorithm are the availability of the dual-frequency surface reference technique and the ZfKa method, which is a method to use the attenuation-corrected radar reflectivity factor Zf of KaPR, to select ε as well as the possibility to selectively use measurements from KuPR or KaPR. This paper also describes the derivation of the scattering table and the R−Dm relation as well as the procedure for non-uniform beam filling correction in detail. The outputs are then statistically analyzed to demonstrate algorithm performance. | |||||||||||||||||||
書誌情報 |
Journal of the Meteorological Society of Japan 巻 99, 号 2, p. 205-237, 発行日 2021 |
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出版者 | 日本気象学会 | |||||||||||||||||||
出版者別言語 | ||||||||||||||||||||
Meteorological Society of Japan | ||||||||||||||||||||
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収録物識別子タイプ | ISSN | |||||||||||||||||||
収録物識別子 | 0026-1165 | |||||||||||||||||||
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収録物識別子タイプ | ISSN | |||||||||||||||||||
収録物識別子 | 2186-9057 | |||||||||||||||||||
DOI | ||||||||||||||||||||
関連タイプ | isIdenticalTo | |||||||||||||||||||
識別子タイプ | DOI | |||||||||||||||||||
関連識別子 | 10.2151/jmsj.2021-011 | |||||||||||||||||||
権利 | ||||||||||||||||||||
権利情報 | ©The Author(s) 2021. This is an open access article published by the Meteorological Society of Japan under a Creative Commons Attribution 4.0 International (CC BY 4.0) license (https://creativecommons.org/licenses/by/4.0). | |||||||||||||||||||
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出版タイプ | VoR | |||||||||||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||||||||||
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内容記述タイプ | Other | |||||||||||||||||||
内容記述 | Journal of the Meteorological Society of Japan, 99(2), pp. 205-237; 2021 |