Urban flood risk warning under rapid urbanization

Environmental Research
Yangbo ChenJinhui Zhou

Abstract

In the past decades, China has observed rapid urbanization, the nation's urban population reached 50% in 2000, and is still in steady increase. Rapid urbanization in China has an adverse impact on urban hydrological processes, particularly in increasing the urban flood risks and causing serious urban flooding losses. Urban flooding also increases health risks such as causing epidemic disease break out, polluting drinking water and damaging the living environment. In the highly urbanized area, non-engineering measurement is the main way for managing urban flood risk, such as flood risk warning. There is no mature method and pilot study for urban flood risk warning, the purpose of this study is to propose the urban flood risk warning method for the rapidly urbanized Chinese cities. This paper first presented an urban flood forecasting model, which produces urban flood inundation index for urban flood risk warning. The model has 5 modules. The drainage system and grid dividing module divides the whole city terrain into drainage systems according to its first-order river system, and delineates the drainage system into grids based on the spatial structure with irregular gridding technique; the precipitation assimilation module assim...Continue Reading

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Citations

Oct 2, 2015·International Journal of Environmental Research and Public Health·David O Baloye, Lobina G Palamuleni
Oct 30, 2016·Science·Qinhua Fang
Jul 19, 2019·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Antonio Krishnamurti Beleño de OliveiraMarcelo Gomes Miguez
Jan 19, 2020·International Journal of Environmental Research and Public Health·Zhiqiang WangWeiwei Cao
Jul 14, 2018·Sensors·Melisa Acosta-CollEmiro De la Hoz-Franco
Feb 18, 2020·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·James GriffithsDavid Laurence Higgitt
Aug 6, 2020·International Journal of Environmental Research and Public Health·Junfei ChenCong Yu
Nov 18, 2020·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Ming WeiXue-Yi You
Sep 22, 2020·Environmental Research·Fengyuan ZhangFei Li

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