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Drought assessment in northwest China during 1960-2013 using the standardized precipitation index
Yang, Peng1,2; Xia, Jun1,3; Zhang, Yongyong1; Wang, Longfeng1,2
2017
Source PublicationCLIMATE RESEARCH
ISSN0936-577X
Volume72Issue:1Pages:73-82
Corresponding AuthorXia, Jun(xiaj@igsnrr.ac.cn)
AbstractThe standardized precipitation index (SPI) can be used to analyze the spatiotemporal characteristics of regional water resources. Monthly precipitation data obtained from 96 weather stations in northwest China from 1960 to 2013 were used to calculate the SPI. Changes in the SPI were analyzed using the Mann-Kendall (MK) test and the Pettitt test. The results indicated that 50 stations had a significant increasing trend in the annual SPI series. Analysis of seasonal SPI trends revealed the prevalence of serious drought conditions in the spring, while most stations exhibited a wetting trend in the winter. Significant (at alpha = 0.05 level) abrupt changes in the annual and seasonal SPI series occurred mostly in 1981-1985. Additionally, a significant abrupt change occurred in the year 1986 in 5 sub-basins (the Turpan-Hami Basin, Gurbantunggut Desert Basin, Northern Tianshan Mountains, Northern Kunlun Mountains, and the Tarim Desert Basin).
KeywordStandardized precipitation index Pettitt test Mann-Kendall Northwest China
DOI10.3354/cr01451
WOS KeywordYELLOW-RIVER BASIN ; EXTREME-DRY-SPELL ; ARID REGION ; FREQUENCY-ANALYSIS ; TREND ; TEMPERATURE ; DIVISION ; PATTERNS
Indexed BySCI
Language英语
Funding ProjectNational Basic Research Program of China (973 Program)[2012CB956204]
Funding OrganizationNational Basic Research Program of China (973 Program)
WOS Research AreaEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS SubjectEnvironmental Sciences ; Meteorology & Atmospheric Sciences
WOS IDWOS:000402652000006
PublisherINTER-RESEARCH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/63519
Collection中国科学院地理科学与资源研究所
Corresponding AuthorXia, Jun
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Wuhan Univ, State Key Lab Water Resources & Hydropower Engn S, Wuhan 430000, Peoples R China
Recommended Citation
GB/T 7714
Yang, Peng,Xia, Jun,Zhang, Yongyong,et al. Drought assessment in northwest China during 1960-2013 using the standardized precipitation index[J]. CLIMATE RESEARCH,2017,72(1):73-82.
APA Yang, Peng,Xia, Jun,Zhang, Yongyong,&Wang, Longfeng.(2017).Drought assessment in northwest China during 1960-2013 using the standardized precipitation index.CLIMATE RESEARCH,72(1),73-82.
MLA Yang, Peng,et al."Drought assessment in northwest China during 1960-2013 using the standardized precipitation index".CLIMATE RESEARCH 72.1(2017):73-82.
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