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Spatial and temporal pattern of precipitation and drought in Gansu Province, Northwest China

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  • Luxin Zhai
  • Qi Feng

Abstract

Drought is one of the most harmful natural hazards in Gansu Province in Northwest China. The changes of precipitation affect the severity of drought. In order to recognize the trend of precipitation and understand the effect of rainfall change on water resources management and drought severity, Mann–Kendall test was used. Standardized Precipitation Index (SPI) was calculated to reconstruct the drought at different time scales and analyze the frequency of drought occurrence in the recent 50 years. The results show that the SPI is applicable in Gansu Province. The number of severe droughts differs among regions: it is more obvious as a 3-month drought in the Yellow River Basin and the Yangtze River Basin than in the Inland River Basin, and other droughts at 6-, 9-, and 12-month time scales have the same effect in the three regions. Mann–Kendall test results show that there is an upward trend in the summer periods and a downward trend in the autumn-winter-spring intervals ranging from 10.5 mm/10 years to −37.4 mm/10 years, which affect the local water resources management, droughts mitigation, and agriculture decision making. This situation poses challenges for future study. Copyright Springer Science+Business Media B.V. 2009

Suggested Citation

  • Luxin Zhai & Qi Feng, 2009. "Spatial and temporal pattern of precipitation and drought in Gansu Province, Northwest China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 49(1), pages 1-24, April.
    • Handle: RePEc:spr:nathaz:v:49:y:2009:i:1:p:1-24
    DOI: 10.1007/s11069-008-9274-y
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    Citations

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    Cited by:

    1. Zhaoqi Zeng & Wenxiang Wu & Zhaolei Li & Yang Zhou & Han Huang, 2019. "Quantitative Assessment of Agricultural Drought Risk in Southeast Gansu Province, Northwest China," Sustainability, MDPI, vol. 11(19), pages 1-21, October.
    2. Qiang Zhang & Jianfeng Li & Vijay Singh & Yungang Bai, 2012. "SPI-based evaluation of drought events in Xinjiang, China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 64(1), pages 481-492, October.
    3. Hong Du & Jun Xia & Sidong Zeng, 2014. "Regional frequency analysis of extreme precipitation and its spatio-temporal characteristics in the Huai River Basin, China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 70(1), pages 195-215, January.
    4. Yangyang Li & Yangjie Wang & Xiaohong Chen, 2017. "The roles of community assets in mitigating the impact of drought on grain yields in Northwest China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 89(2), pages 801-815, November.
    5. Babak Amirataee & Majid Montaseri, 2017. "The performance of SPI and PNPI in analyzing the spatial and temporal trend of dry and wet periods over Iran," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 86(1), pages 89-106, March.
    6. Brian Ayugi & Zablon Weku Shilenje & Hassen Babaousmail & Kenny T. C. Lim Kam Sian & Richard Mumo & Victor Nnamdi Dike & Vedaste Iyakaremye & Abdelghani Chehbouni & Victor Ongoma, 2022. "Projected changes in meteorological drought over East Africa inferred from bias-adjusted CMIP6 models," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 113(2), pages 1151-1176, September.
    7. Masoud Noshadi & Hossein Ahani, 2015. "Focus on relative humidity trend in Iran and its relationship with temperature changes during 1960–2005," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 17(6), pages 1451-1469, December.
    8. G. Buttafuoco & T. Caloiero & R. Coscarelli, 2015. "Analyses of Drought Events in Calabria (Southern Italy) Using Standardized Precipitation Index," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 29(2), pages 557-573, January.
    9. Jiaxuan Chang & Xuefeng Sang & Yun Zhang & Yangwen Jia & Junlin Qu & Yang Zheng & Haokai Ding, 2025. "A Novel Sensitivity Analysis Framework for Quantifying Permafrost Impacts on Runoff Variability in the Yangtze River Source Region," Sustainability, MDPI, vol. 17(4), pages 1-21, February.
    10. Muhammad Ashraf & Jayant Routray, 2015. "Spatio-temporal characteristics of precipitation and drought in Balochistan Province, Pakistan," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 77(1), pages 229-254, May.

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