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ACCR 2014, Vol. 5 Issue (4) :197-205    DOI: http://dx.doi.org/10.1016/j.accre.2015.03.002
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Spatio-temporal changes of exposure and vulnerability to floods in China
WANG Yan-Juna, GAO Chaob, ZHAI Jian-Qinga,c, LI Xiu-Canga,c, SU Bu-daa,c,*, HARTMANN Heiked*
a School of Geography and Remote Sensing Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of  Information Science & Technology, Nanjing
210044, China
b College of Territorial Resources and Tourism, Anhui Normal University, Wuhu 241000, China
c National Climate Center, China Meteorological Administration, Beijing 100081, China
d Department of Geography, Geology, and the Environment, Slippery Rock University of Pennsylvania, PA 16057, USA

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Abstract A socio-economic data set on China's historical flood losses for the period 1984-2012 was compiled to analyze the exposed population, economy, and crop area as well as the vulnerabilities of the population and economy to floods. The results revealed that the exposed population was approximately 126 persons km-2 per year when taking China as a whole; in terms of the economy, potential losses due to floods were estimated to be approximately 1.49 million CN¥ km-2 and the crop area exposed to floods covered 153 million hm2 per year. China's total exposure to floods significantly increased over the analysis period. The areas that showed the higher exposure were mainly located along the east coast. The population's vulnerability to floods showed a significantly increasing trend, however, the economic vulnerability showed a decreasing trend. The populations and economies that were most vulnerable to floods were in Hunan, Anhui, Chongqing, Jiangxi, and Hubei provinces. The municipalities of Shanghai, Beijing, and Tianjin showed the lowest vulnerabilities to floods.
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WANG Yan-Jun
GAO Chao
ZHAI Jian-Qing
LI Xiu-Cang
SU Bu-da
KeywordsExposure   Vulnerability   Flood disaster   Spatio-temporal changes   China     
Cite this article:   
WANG Yan-Jun, GAO Chao, ZHAI Jian-Qing, LI Xiu-Cang, SU Bu-da, HARTMANN Heike.Spatio-temporal changes of exposure and vulnerability to floods in China[J]  ACCR, 2014,V5(4): 197-205
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http://en.climatechange.cn/EN/http://dx.doi.org/10.1016/j.accre.2015.03.002      or     http://en.climatechange.cn/EN/Y2014/V5/I4/197
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