气候变化领域集成服务门户(CCPortal): Accuracy validation of TRMM Multisatellite Precipitation Analysis daily precipitation products in the Lancang River Basin of China

CCPortal

DOI	10.1007/s00704-012-0733-8
	Accuracy validation of TRMM Multisatellite Precipitation Analysis daily precipitation products in the Lancang River Basin of China
	Zeng, Hongwei; Li, Lijuan; Hu, Jinming; Liang, Liqiao; Li, Jiuyi; Li, Bin; Zhang, Kai
通讯作者	Li, LJ (通讯作者)
发表日期	2013
ISSN	0177-798X
EISSN	1434-4483
起始页码	389
结束页码	401
卷号	112 期号:3-4
英文摘要	Using statistical methods and contingency table method, this paper evaluates the accuracy of 12 years (1998-2009) Tropical Rainfall Measuring Mission Multisatellite Precipitation Analysis (TMPA) daily-accumulated precipitation products within a year, the dry season, and rain season for each of the five subbasins and for each grid point (0.25 x 0.25A degrees) in the Lancang River basin by comparing the results with data from the 35 rain gauges. The results indicate that TMPA daily precipitation estimates tend to show an underestimation comparing to the rain gauge daily precipitations under any scenarios, especially for the middle stream in the dry season. The accuracy of TMPA-averaged precipitation deteriorates with the increase of elevation at both basin and grid scale, with upstream and downstream having the worst and best accuracy, respectively. A fair capability was shown when using daily TMPA accumulations to detect rain events at drizzle rain and this capability improves with the increase of elevation. However, the capability deteriorates when it is used to detect moderate rain and heavy rain events. The accuracy of TMPA precipitation estimate products is better in the rain season than in the dry season at all scenarios. Time difference and elevation are the main factors that have impact on the accuracy of TMPA daily-accumulated precipitation products.
关键词	ANALYSIS TMPA RAINFALL MODEL
语种	英语
WOS研究方向	Meteorology & Atmospheric Sciences
WOS类目	Meteorology & Atmospheric Sciences
WOS记录号	WOS:000318246300003
来源期刊	THEORETICAL AND APPLIED CLIMATOLOGY
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/258181
推荐引用方式 GB/T 7714	Zeng, Hongwei,Li, Lijuan,Hu, Jinming,et al. Accuracy validation of TRMM Multisatellite Precipitation Analysis daily precipitation products in the Lancang River Basin of China[J]. 中国科学院青藏高原研究所,2013,112(3-4).
APA	Zeng, Hongwei.,Li, Lijuan.,Hu, Jinming.,Liang, Liqiao.,Li, Jiuyi.,...&Zhang, Kai.(2013).Accuracy validation of TRMM Multisatellite Precipitation Analysis daily precipitation products in the Lancang River Basin of China.THEORETICAL AND APPLIED CLIMATOLOGY,112(3-4).
MLA	Zeng, Hongwei,et al."Accuracy validation of TRMM Multisatellite Precipitation Analysis daily precipitation products in the Lancang River Basin of China".THEORETICAL AND APPLIED CLIMATOLOGY 112.3-4(2013).