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学科主题: 地理学::自然地理学
题名: Effects of temporal scales and space mismatches on the TRMM 3B42 v7 precipitation product in a remote mountainous area
作者: 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
通讯作者: Chen, QW
关键词: TIBETAN PLATEAU ; TROPICAL RAINFALL ; ANALYSIS TMPA ; RESOLUTION ; CLIMATE ; CHINA ; RETRIEVALS ; VALIDATION ; MICROWAVE ; BASINS
刊名: HYDROLOGICAL PROCESSES
发表日期: 2017
DOI: 10.1002/hyp.11357
卷: 31, 期:24, 页:4315-4327
收录类别: SCI
合作性质: 国内
文章类型: Article
类目[WOS]: Water Resources ; Water Resources
研究领域[WOS]: Water Resources
英文摘要: The 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.
语种: 英语
WOS记录号: WOS:000416149500005
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7934
Appears in Collections:图书馆_期刊论文

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作者单位: 1.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:
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.
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