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http://dx.doi.org/10.15681/KSWE.2017.34.1.57

Analysis of Effectiveness for Water Cycle and Cost-Benefit according to LID Application Method in Environmentally-Friendly Village  

Baek, Jongseok (Water Resources Research Center, K-water Convergence Institute)
Lee, Sangjin (Water Resources Research Center, K-water Convergence Institute)
Shin, Hyunsuk (Department of Civil and Environmental Engineering, Pusan National University)
Kim, Hyungsan (Water Resources Research Center, K-water Convergence Institute)
Publication Information
Journal of Korean Society on Water Environment / v.34, no.1, 2018 , pp. 57-66 More about this Journal
Abstract
Water disasters such as flash floods and inundation caused by localized heavy rainfall in urban areas have a large impact on climate change but are also closely related to the increase in impervious areas as pointed out in domestic and international studies. It is difficult to secure natural green areas in urban areas that have already been developed. So, urban regeneration can be expected using water management optimized with technologies to secure infiltration and storage capacity such as Low-Impact Development technology. In this study, the water cycle improvement ability was confirmed by applying the LID technology within the district unit plan of the environmentally friendly village, and the economic feasibility of LID application was analyzed by estimating the costs and benefits of installing the facilities. The site was planned to conserve sufficient green and plans for securing the watershed infiltration and storage capacity were formulated with the application of additional LID technology, such as infiltration trenches, rain barrels and permeable pavements. The LID design method applicable to the site was established, and the water balance of the watershed was analyzed through simulations of the SWMM model. The water circulation improvement effect was confirmed through the water balance analysis, and the cost-benefits were determined according to the estimation method, and the economic analysis was conducted. This study confirms that the investment of LID technology is economically feasible for the hydrological improvement effect of the housing complex.
Keywords
Cost-benefit; EPA SWMM; LID; Water balance; Water cycle;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
연도 인용수 순위
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