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Effects of temporal scales and space mismatches on the TRMM 3B42 v7 precipitation product in a remote mountainous area
Ebrahimi, S (Ebrahimi, Shiva)1,3; Chen, C (Chen, Cheng)2; Chen, QW (Chen, Qiuwen)2; Zhang, YS (Zhang, Yinsheng)1; Ma, N (Ma, Ning)1; Zaman, Q (Zaman, Qammerul)1; Chen, QW
Source PublicationHYDROLOGICAL PROCESSES
2017
Volume31Issue:24Pages:4315-4327
DOI10.1002/hyp.11357
AbstractThe accurate measurement of precipitation is essential to understanding regional hydrological processes and hydrological cycling. Quantification of precipitation over remote regions such as the Tibetan Plateau is highly unreliable because of the scarcity of rain gauges. The objective of this study is to evaluate the performance of the satellite precipitation product of tropical rainfall measuring mission (TRMM) 3B42 v7 at daily, weekly, monthly, and seasonal scales. Comparison between TRMM grid precipitation and point-based rain gauge precipitation was conducted using nearest neighbour and bilinear weighted interpolation methods. The results showed that the TRMM product could not capture daily precipitation well due to some rainfall events being missed at short time scales but provided reasonably good precipitation data at weekly, monthly, and seasonal scales. TRMM tended to underestimate the precipitation of small rainfall events (less than 1mm/day), while it overestimated the precipitation of large rainfall events (greater than 20mm/day). Consequently, TRMM showed better performance in the summer monsoon season than in the winter season. Through comparison, it was also found that the bilinear weighted interpolation method performs better than the nearest neighbour method in TRMM precipitation extraction.
Subject Area自然地理学
WOS IDWOS:000416149500005
Language英语
Indexed BySCI
KeywordTibetan Plateau Tropical Rainfall Analysis Tmpa Resolution Climate China Retrievals Validation Microwave Basins
WOS Research AreaWater Resources
WOS SubjectWater Resources ; Water Resources
Cooperation Status国内
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/7934
Collection图书馆
Corresponding AuthorChen, QW
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100085, Peoples R China.
2.Nanjing Hydraul Res Inst, Ctr Ecoenvironm Res, Nanjing 210029, Jiangsu, Peoples R China.
3.Univ Chinese Acad Sci, Beijing 100038, Peoples R China.
Recommended Citation
GB/T 7714
Ebrahimi, S ,Chen, C ,Chen, QW ,et al. Effects of temporal scales and space mismatches on the TRMM 3B42 v7 precipitation product in a remote mountainous area[J]. HYDROLOGICAL PROCESSES,2017,31(24):4315-4327.
APA Ebrahimi, S .,Chen, C .,Chen, QW .,Zhang, YS .,Ma, N .,...&Chen, QW.(2017).Effects of temporal scales and space mismatches on the TRMM 3B42 v7 precipitation product in a remote mountainous area.HYDROLOGICAL PROCESSES,31(24),4315-4327.
MLA Ebrahimi, S ,et al."Effects of temporal scales and space mismatches on the TRMM 3B42 v7 precipitation product in a remote mountainous area".HYDROLOGICAL PROCESSES 31.24(2017):4315-4327.
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