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Study on the Effect of Urbanization on Floodwater -Taking the Shen-zhen city as an example
Authors
丛怀军
冯兴平
高照良
Publication date
1 January 2005
Publisher
Abstract
城市化作为影响洪水形成的下垫面条件的因素之一对洪水形成影响较大,通过对城市化影响洪水作用机理的分析得出,城市化使城市集水区天然调蓄能力减弱,汇流速度明显加快,径流系数也明显增大,城市化所及地区的产汇流过程发生显著变化。另外还以深圳城市化对深圳河设计洪水的影响为例计算得出“城市化”将加大深圳河流域坡面汇流及河槽汇流的速度,缩短汇流时间,加大洪峰流量。对于百年一遇洪水,干流各控制点汇流历时缩减15.4%~21.7%,相应洪峰流量增加11.8%~19.0
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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oai:ir.iswc.ac.cn/:361005/1603
Last time updated on 21/09/2018