中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Evaluation of the integrated multi-satellite retrievals for global precipitation measurement over the tibetan plateau

文献类型:期刊论文

作者Ma, Lu1,2; Zhao, Lin1,2; Tian, Li-ming3; Yuan, Li-ming1,2; Xiao, Yao; Zhang, Le-le4; Zou, De-fu1; Qiao, Yong-ping1
刊名Journal of mountain science
出版日期2019-07-01
卷号16期号:7页码:1500-1514
ISSN号1672-6316
关键词Gpm imerg Rain gauge Topography Koppen climate classification Tibetan plateau
DOI10.1007/s11629-018-5158-0
通讯作者Ma, lu(luma@lzb.ac.cn)
英文摘要The availability of high-resolution satellite precipitation measurement products provides an opportunity to monitor precipitation over large and complex terrain and thus accurately evaluate the climatic, hydrological and ecological conditions in those regions. the global precipitation measurement (gpm) mission is an important new program designed for global satellite precipitation estimation, but little information has been reported on the applicability of the gpm's products for the tibetan plateau (tp). the object of this study is to evaluate the accuracy of the integrated multi-satellite retrievals for gpm (imerg) final run product under different terrain and climate conditions over the tp by using 78 ground gauges from april 2014 to december 2017. the results showed the following: (1) the 3-year average daily precipitation estimation in the imerg agrees well with the rain gauge observations (r-2=0.58, p<0.01), and imerg also has a considerable ability to detect precipitation, as indicated by a high probability of detection (78%-98%) and critical success index (65%-85%); (2) imerg performed better at altitudes from 3000 m to 4000 m with a small relative bias (rb) of 6.4%. precipitation change was not significantly affected by local relief; (3) the climate system of the tp was divided into four climate groups with a total of 12 climate types based on the koppen climate classification system, and imerg performed well in all climate types with the exception of the arid-desert-cold climate (bwk) type. furthermore, although imerg showed the potential to detect snowfall, it still exhibits deficiencies in identifying light and moderate snow. these results indicate that imerg could provide more accurate precipitation data if its retrieval algorithm was improved for complex terrain and arid regions.
收录类别SCI
WOS关键词HIGH-RESOLUTION SATELLITE ; RAIN-GAUGE NETWORK ; ANALYSIS TMPA ; PRODUCTS ; TRMM ; GPM ; IMERG ; PERFORMANCE ; DENSITY
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
语种英语
出版者SCIENCE PRESS
WOS记录号WOS:000474574600002
URI标识http://www.irgrid.ac.cn/handle/1471x/2555390
专题寒区旱区环境与工程研究所
通讯作者Ma, Lu
作者单位1.Chinese Acad Sci, Northwest Inst Eco Environm & Resources, State Key Lab Cryospher Sci, Cryosphere Res Stn Qinghai Tibetan Plateau, Lanzhou 730000, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Sichuan Univ, Coll Life Sci, Key Lab Bioresource & Ecoenvironm Minist Educ, Chengdu 610064, Peoples R China
4.Qinghai Normal Univ, Sch Geog Sci, Xining 810008, Peoples R China
推荐引用方式
GB/T 7714
Ma, Lu,Zhao, Lin,Tian, Li-ming,et al. Evaluation of the integrated multi-satellite retrievals for global precipitation measurement over the tibetan plateau[J]. Journal of mountain science,2019,16(7):1500-1514.
APA Ma, Lu.,Zhao, Lin.,Tian, Li-ming.,Yuan, Li-ming.,Xiao, Yao.,...&Qiao, Yong-ping.(2019).Evaluation of the integrated multi-satellite retrievals for global precipitation measurement over the tibetan plateau.Journal of mountain science,16(7),1500-1514.
MLA Ma, Lu,et al."Evaluation of the integrated multi-satellite retrievals for global precipitation measurement over the tibetan plateau".Journal of mountain science 16.7(2019):1500-1514.

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来源:寒区旱区环境与工程研究所

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