Combining satellite data for estimation of rainfall for analysis of a watershed scale

NCU Institutional Repository > 工學院 > 土木工程學系 > 期刊論文 > Item 987654321/49814

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題名:	Combining satellite data for estimation of rainfall for analysis of a watershed scale
作者:	Wei,HP;Yeh,KC;Liu,GR;Chao,CC
貢獻者:	土木工程學系
關鍵詞:	PASSIVE MICROWAVE;CLOUD;MODEL
日期:	2011
上傳時間:	2012-03-27 16:17:29 (UTC+8)
出版者:	國立中央大學
摘要:	The microwave/infrared rainfall algorithm (MIRA) method combines microwave and infrared channels for their respective contributions to the achievement of higher rainfall-correlated and spatial resolution data, in order to acquire appropriate rainfall data for hydrological models. In this study, estimates of rainfall rate using the MIRA method are affected by the time lag between the data acquisition of the microwave and infrared channels. The root-mean-square error (RMSE) for comparing the rainfall rate retrieved by the MIRA method (5-minute time lag between microwave and infrared data) to the ground rainfall rate in Taiwan is 12.23 mm hour(-1) with a correlation coefficient of 0.58. In addition, by comparing rainfall estimated by the TMI-2A12 and the MIRA method for three typhoons, the rainfall estimated by the latter method is more significantly correlated with the ground-observed rainfall.
關聯:	INTERNATIONAL JOURNAL OF REMOTE SENSING
顯示於類別:	[土木工程學系 ] 期刊論文

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