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Spatiotemporal evolution and driving factors of China's flash flood disasters since 1949
Liu, Yesen1; Yang, Zhenshan2; Huang, Yaohuan3; Liu, Changjun1
2018-12-01
Source PublicationSCIENCE CHINA-EARTH SCIENCES
ISSN1674-7313
Volume61Issue:12Pages:1804-1817
Corresponding AuthorYang, Zhenshan(yangzs@igsnrr.ac.cn)
AbstractThis study examines the spatiotemporal evolution of China's flash flood disasters (FFDs) since 1949 and explores driving factors affecting the spatial distribution of historical FFDs. Records of more than 60000 FFDs are examined, and the centroid comparison method is used to reveal the spatiotemporal evolution of FFDs from 1951 to 2015. In particular, the geographical locations of the centroids, degrees of aggregation, and associated movement tendencies are examined to conduct a preliminary analysis of correlations between rainfall, population, and the spatiotemporal evolution of FFDs. Subsequently, using relevant data from 2000 to 2015, three factors relating to FFDs in natural watershed units include namely rainfall, human activity, and the environment of the Earth's surface. The geographical detector method is then employed to explore the effect of these driving factors on the spatial distribution of FFDs. Analysis results show that displacement of the spatial distribution of FFDs since 1949 is correlated with variations in rainfall and population distribution. In addition, it is determined that the distribution of FFDs occurring between 2000 and 2015 have regional differentiation characteristics. However, the effect of rainfall on the distribution of FFDs is more significant than that of human activity or the environment of the Earth's surface, but interactions occur between these latter two factors in disaster-formative environments. Furthermore, results also show that the driving factors of FFDs have significant spatiotemporal heterogeneity. In China, regions at high risk of FFDs include the Sichuan-Chongqing ecological zone, the South China ecological zone, the Yunnan-Guizhou Plateau, and the middle and lower reaches of the Yangtze River, while regions with a low risk of FFDs include the Northwest China arid zone, Qinghai-Tibet Plateau, Inner Mongolian Plateau, and the Northeast China ecological zone. These findings support further studies investigating disaster-formative environments, facilitate FFD risk zoning, and provide a scientific basis for plans to effectively prevent and control FFDs.
KeywordFlash flood disaster Centroid Driving factor Human activity Rainfall
DOI10.1007/s11430-017-9238-7
WOS KeywordPRECIPITATION
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA19040402] ; China National Flash Flood Prevention Project[126301001000150068] ; Early Career Talent Program of Chinese Academy of Sciences 'Youth Innovation Promotion Association of Chinese Academy of Sciences'[2014042] ; Kezhen Talent Program of IGSNRR, CAS[2016RC101] ; Research on Spatio-Temporal Variable Source Runoff Model and its Mechanism[JZ0145B2017] ; projects of Application of Remote Sensing on Water and Soil Conservation in Beijing[Z161100001116102]
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; China National Flash Flood Prevention Project ; Early Career Talent Program of Chinese Academy of Sciences 'Youth Innovation Promotion Association of Chinese Academy of Sciences' ; Kezhen Talent Program of IGSNRR, CAS ; Research on Spatio-Temporal Variable Source Runoff Model and its Mechanism ; projects of Application of Remote Sensing on Water and Soil Conservation in Beijing
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000454440500009
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/51286
Collection中国科学院地理科学与资源研究所
Corresponding AuthorYang, Zhenshan
Affiliation1.Minist Water Resources, China Inst Water Resources & Hydropower Res, Res Ctr Flood & Drought Disaster Reduct, Beijing 100038, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Reg Sustainable Dev & Modelling, Beijing 100101, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, State Key Lab Resources & Environm Informat Syst, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Liu, Yesen,Yang, Zhenshan,Huang, Yaohuan,et al. Spatiotemporal evolution and driving factors of China's flash flood disasters since 1949[J]. SCIENCE CHINA-EARTH SCIENCES,2018,61(12):1804-1817.
APA Liu, Yesen,Yang, Zhenshan,Huang, Yaohuan,&Liu, Changjun.(2018).Spatiotemporal evolution and driving factors of China's flash flood disasters since 1949.SCIENCE CHINA-EARTH SCIENCES,61(12),1804-1817.
MLA Liu, Yesen,et al."Spatiotemporal evolution and driving factors of China's flash flood disasters since 1949".SCIENCE CHINA-EARTH SCIENCES 61.12(2018):1804-1817.
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