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Analysis of Spatiotemporal Characteristics and Inducing Factors of Flash Floods in Guangdong Province
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Fan YANG1, Ya-jing KANG2, Qian WANG3, Mei-hong MA4, Rong-hua LIU5
Water Resources and Power | 2023, 41(9) : 81 - 84
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Water Resources and Power | 2023, 41(9): 81-84
• HYDROLOGICAL FORECAST AND OPTIMAL SCHEDULING •
Analysis of Spatiotemporal Characteristics and Inducing Factors of Flash Floods in Guangdong Province
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Fan YANG1, Ya-jing KANG2, Qian WANG3, Mei-hong MA4, Rong-hua LIU5
Affiliations
  • 1.Guangdong Flood Control Support and Rural Water Conservancy Center, Guangzhou 510635, China
  • 2.China South to North Water Diversion Group Water Investment Co., Ltd., Beijing 100036, China
  • 3.Institute of Sedimentary Geology, Chengdu University of Technology, Chengdu 610059, China
  • 4.College of Geography and Environmental Sciences, Tianjin Normal University, Tianjin 300387, China
  • 5.China Institute of Water Resources and Hydropower Research, Beijing 100038, China
Published: 2023-09-25 doi: 10.20040/j.cnki.1000-7709.2023.20222010
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Analyzing the spatial and temporal distribution characteristics of flash flood disasters is crucial for flood control and prevention. Taking Guangdong Province as an example, this study first compiled historical data on flash flood disasters in Guangdong Province from 2017 to 2021. Using methods such as standard deviation ellipse and kernel density, the spatial and temporal characteristics were analyzed, and the complex interaction relationships of triggering factors were explored. The results show that there were a total of 79 flash flood disasters, mainly concentrated in May and June, with uneven temporal distribution. The spatial distribution pattern of flash flood disasters exhibited a "dispersed east and west, concentrated north and south" pattern, with the northern cities of Heyuan, Shaoguan, and Meizhou being high-risk areas for flash flood disasters. Short-duration heavy rainfall was the main driving factor for flash flood disasters, with significant influences from topography, vegetation cover, and land use. The findings of this study can provide reference for flash flood disaster prevention and control in Guangdong Province.

flash flood disaster  /  spatiotemporal characteristics  /  influencing factors  /  Guangdong Province
Fan YANG, Ya-jing KANG, Qian WANG, Mei-hong MA, Rong-hua LIU. Analysis of Spatiotemporal Characteristics and Inducing Factors of Flash Floods in Guangdong Province[J]. Water Resources and Power, 2023 , 41 (9) : 81 -84 . DOI: 10.20040/j.cnki.1000-7709.2023.20222010
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20222010
  • Receive Date：2022-09-26
  • Online Date：2026-01-28
  • Published：2023-09-25
Article Data
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History
  • Received：2022-09-26
  • Revised：2022-11-08
Funding
Affiliations
    1.Guangdong Flood Control Support and Rural Water Conservancy Center, Guangzhou 510635, China
    2.China South to North Water Diversion Group Water Investment Co., Ltd., Beijing 100036, China
    3.Institute of Sedimentary Geology, Chengdu University of Technology, Chengdu 610059, China
    4.College of Geography and Environmental Sciences, Tianjin Normal University, Tianjin 300387, China
    5.China Institute of Water Resources and Hydropower Research, Beijing 100038, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20222010
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