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- W2567221462 abstract "CR Climate Research Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsSpecials CR 72:73-82 (2017) - DOI: https://doi.org/10.3354/cr01451 Drought assessment in northwest China during 1960-2013 using the standardized precipitation index Peng Yang1,2, Jun Xia1,3,*, Yongyong Zhang1, Longfeng Wang1,2 1Key Laboratory of Water Cycle & Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, PR China 2University of Chinese Academy of Sciences, Beijing 100049, PR China 3State Key Laboratory of Water Resources & Hydropower Engineering Sciences, Wuhan University, Wuhan 430000, PR China *Corresponding author: xiaj@igsnrr.ac.cn ABSTRACT: The 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 α = 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). KEY WORDS: Standardized precipitation index · Pettitt test · Mann-Kendall · Northwest China Full text in pdf format PreviousCite this article as: Yang P, Xia J, Zhang Y, Wang L (2017) Drought assessment in northwest China during 1960-2013 using the standardized precipitation index. Clim Res 72:73-82. https://doi.org/10.3354/cr01451 Export citation RSS - Facebook - Tweet - linkedIn Cited by Published in CR Vol. 72, No. 1. Online publication date: April 19, 2017 Print ISSN: 0936-577X; Online ISSN: 1616-1572 Copyright © 2017 Inter-Research." @default.
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- W2567221462 title "Drought assessment in northwest China during 1960-2013 using the standardized precipitation index" @default.
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