Effects of land use change and water reuse options on urban water cycle

查看全文 作　　者：Jiho [1]Lee;Gijung [2]Pak;Chulsang [1]Yoo;Sangdan [3]Kim;Jaeyoung [2]Yoon

机构地区：[1]School of Civil,Environmental,and Architectural Engineering,Korea University;[2]Department of Environmental Engineering,Korea University;[3]Department of Environmental System Engineering,Pukyong National University

出　　处：《Journal of Environmental Sciences》索引2010年第22卷第6期,共6页

基　　金：financially supported by a Korea University Grant 摘　　要：The aim of this article was to study the effects of land use change and water reuse options on an urban water cycle.A water cycle analysis was performed on the Goonja drainage basin,located in metropolitan Seoul,using the Aquacycle model.The chronological effects of urbanization were first assessed for the land uses of the Goonja drainage basin from 1975 to 2005,where the ratio of impervious areas ranged from 43% to 84%.Progressive urbanization was identified as leading to a decrease in evapotranspiration (29%),an increase in surface runoff (41%) and a decrease in groundwater recharge (74%),indicating a serious distortion of the water cycle.From a subsequent analysis of the water reuse options,such as rainwater use and wastewater reuse,it is concluded that wastewater reuse seemed to have an advantage over rainwater use for providing a consistent water supply throughout the year for a country like Korea,where the rainy season is concentrated during the summer monsoon. 关键词：土地利用变化城市化影响中水回用水循环废水回用地下水补给再利用方案时间顺序

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Effects of land use change and water reuse options on urban water cycle

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