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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/62437


    Title: 衛星資料在災害性降雨預報上的整合研究-總計畫暨子計畫:利用衛星微波資料在颱風潛勢降雨預報之應用(I);Forecasting of Typhoon Rainfall Potential with Satellite Microwave Data
    Authors: 劉振榮;林唐煌;劉千義
    Contributors: 國立中央大學太空及遙測研究中心
    Keywords: 大氣科學;太空科技
    Date: 2012-12-01
    Issue Date: 2014-03-17 11:32:40 (UTC+8)
    Publisher: 行政院國家科學委員會
    Abstract: 研究期間:10108~10207;The main goal of this study is to establish a more accurate model to estimate typhoons’ rainfall potential for disaster mitigation missions, especially for the typhoons hitting Taiwan. Kidder et al.(2005) used satellite microwave observations, such SSM/I(Special Sensor Microwave/Imager), TMI(TRMM Microwave Imager) and AMSU(Advanced Microwave Sounding Unit) data along with the JTWC best tracks to assess the 24‐h rainfall potential. Their method, the Tropical Rainfall Potential (TRaP) Technique, can provide a fast and practical application in rainfall estimating. However, TRaP is based upon some quite assumptions, such invariant typhoon intensity and straightforwardly shift‐motion rainfall clusters. Therefore, big errors could exist. This aim of this study is to improve the TRaP technique by adding a typhoon’s real situations, such as intensity variation, rotating cloudy clusters as well as the orographic effect especially in Taiwan. Meanwhile, the historical rainfall records will be used to adjust quantitatively the rainfall rates retrieved from microwave observations to reduce the possible systematic bias. The tracks predicted by numerical weather models will be used to prolong the rainfall potential period. The path sensibility will be also investigated. Finally the improved TRaP will be experimentally operated via a net platform for preparing the possible real operational running in the future.
    Relation: 財團法人國家實驗研究院科技政策研究與資訊中心
    Appears in Collections:[太空及遙測研究中心] 研究計畫

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