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Spatial and temporal changes in flooding and the affecting factors in China
Nie, Chengjing (聂承静); Li, HR(Li, Hairong); Yang, LS (Yang,Linsheng); Wu, SH(Wu, Shaohong); Liu, Y(Liu, Yi)1; Liao, YF(Liao, Yongfeng)
Source PublicationNATURAL HAZARDS
Corresponding AuthorLiu, Y
AbstractSpatial and temporal changes in flood events in China are becoming increasingly important due to the rapid climate warming that is occurring. This study was conducted to consider changes in flood events and the factors affecting such changes. To accomplish this, China was divided into natural and social-economic flood regions: north China, northwest China, northeast China, southwest China, central China, east China, south China, and Taiwan, Hong Kong and Macau. Spatial and temporal changes in flood patterns were rebuilt during 1980-2009, and Fast Fourier Transform Filtering was then employed to stimulate the changes in floods during this period. The factors affecting flooding were then analyzed quantitatively. The results showed that, based on the time series for China as a whole, flooding was more serious during 1990-1999 than 1980-1989 and 2000-2009. However, in different regions, the trends in flooding differed greatly. Based on spatial changes, the areas hardest hit by floods were northeast China in the 1980s, northeast China, central China and east China in the 1990s, and central China after 2000. In China, the main flood-affecting factors were meteorological, ecological, population, water conservation facilities, and policy factors. However, the main affecting factors differed by region. Overall, the complex spatial and temporal features of flood variations and various affecting factors demand proper national and regional governmental action in the face of the changing flood patterns in China. The results of the present study provide valuable information to flood policymakers and flood disaster researchers.
KeywordFlood Disaster Spatial And Temporal Change Affecting Factors China Water-use Risk Management Province Regionalization Region Hazard Impact River
Indexed BySCI
Funding OrganizationChinese Academy of Sciences KZCX2-YW-Q03-01;National Key Technology RD Program 2008BAK50B05
Document Type期刊论文
Recommended Citation
GB/T 7714
Nie, Chengjing ,Li, HR,Yang, LS ,et al. Spatial and temporal changes in flooding and the affecting factors in China[J]. NATURAL HAZARDS,2012,61(2):425-439.
APA Nie, Chengjing ,Li, HR,Yang, LS ,Wu, SH,Liu, Y,&Liao, YF.(2012).Spatial and temporal changes in flooding and the affecting factors in China.NATURAL HAZARDS,61(2),425-439.
MLA Nie, Chengjing ,et al."Spatial and temporal changes in flooding and the affecting factors in China".NATURAL HAZARDS 61.2(2012):425-439.
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