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[1]SHI Yi,XU You-peng,CAI Juan.Analysis of the Impact of Urbanization on Flood Risk in the Middle and Lower Reaches of Qinhuai River[J].Research of Soil and Water Conservation,2011,18(05):26-31.

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Analysis of the Impact of Urbanization on Flood Risk in the Middle and Lower Reaches of Qinhuai River

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 18 Number of periods: 2011 05 Page number: 26-31 Column: Public date: 2011-10-20

Title:: Analysis of the Impact of Urbanization on Flood Risk in the Middle and Lower Reaches of Qinhuai River

Author(s):: SHI Yi, XU You-peng, CAI Juan; School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing 210093, China

Keywords:: flood risk; urbanization; RS and GIS methods; the middle and lower reaches of Qinhuai River

CLC:: P426.616

DOI:: -

Abstract:: Main part of Qinhuai River Basin is located in Nanjing which lies in the lower reaches of Yangtze River. With the acceleration of urbanization in recent years, the flood risk of the middle and lower reaches of basin has increased and threatened the safety of people’s lives and treasure. Based on RS and GIS methods, the impact of urbanization on flood risk in the middle and lower reaches of Qinhuai River was analyzed from both space and time. The study showed that: ①urbanization aggravated the flood risk; the space distribution of urbanization and the flood risk showed consistency; ②with the rapid urbanization, from 1994 to 2001, the flood risk of south of Nanjing City proper and area along Yangtze River increased; from 2001 to 2008, areas of increased flood risk migrated upstream along Qinhuai main stream; until 2008, the flood risk along Qinhuai main stream was relatively higher; ③the flood prevention pressure of Nanjing City proper and new urban area of Jiangning District which lies in the lower reaches of Qinhuai River augmented; the construction and reasonable control of integrated ancillary water conservancy project for flood prevention should be strengthened and the meteorological forecast ability should be improved.

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