衛星資料在災害性降雨預報上的整合研究-子計畫:衛星資料在季風環流對台灣地區颱風降水潛勢影響之分析與應用(I);To Analyze the Impact of Monsoon Circulation on Typhoon Rainfall Potential with Satellite Data around Taiwan Area

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题名:	衛星資料在災害性降雨預報上的整合研究-子計畫:衛星資料在季風環流對台灣地區颱風降水潛勢影響之分析與應用(I);To Analyze the Impact of Monsoon Circulation on Typhoon Rainfall Potential with Satellite Data around Taiwan Area
作者:	林唐煌;劉千義
贡献者:	國立中央大學太空及遙測研究中心
关键词:	大氣科學;太空科技
日期:	2012-12-01
上传时间:	2014-03-17 11:32:37 (UTC+8)
出版者:	行政院國家科學委員會
摘要:	研究期間：10108~10207;In summer, southwesterly flow from South China Sea could enhance the precipitation in Taiwan, especially converged with typhoon peripheral circulation during the period of typhoon passed by. The rainfall is even intense than the typhoon itself which may cause the severe disaster in mountainous areas. Therefore, the investigation of the southwesterly and northeastern flow effect on the precipitation around Taiwan areas is the main objective of this project for the forecast of rainfall potential. With the integration of passive microwave data radar data and ground-based measurement the analysis of air-sea parameters such as near surface wind field, sea surface temperature, near surface temperature and humidity, air-sea energy flux, moisture flux, vorticity, convergence and divergence will be examined for the influence in typhoon precipitation. In the first year, the project will focus on the improvement of the southwesterly flow precipitation index (SFPI) with the consideration of topographic and altitude effects. The effect of convergence with monsoon circulations on typhoon rainfall intensity will be investigated with the integrated datasets (passive microwave data radar data and ground-based measurement) in the second year. In the last year, the influence of air-sea energy flux, water vapor flux, vorticity, convergence, and divergence on typhoon precipitation will be concluded and applied to the forecasting of regional rainfall and typhoon precipitation as the project expected.
關聯:	財團法人國家實驗研究院科技政策研究與資訊中心
显示于类别:	[太空及遙測研究中心] 研究計畫

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