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Impact Analysis of Construction of Small Wastewater Treatment Plant Under Climate Change  

Park, Kyungshin (Hyundai Development Corporation)
Chung, Eun-Sung (College of Engineering, Hanyang University)
Kim, Sang-Ug (Land, Transport and Maritime Affairs Team, National Assembly Research Service)
Lee, Kil Seong (Department of Civil and Environmental Engineering, Seoul National University)
Publication Information
Journal of Korean Society on Water Environment / v.26, no.2, 2010 , pp. 268-278 More about this Journal
Abstract
This study derived the effectiveness analysis results of construction of wastewater treatment plant under climate change scenarios. Canadian Global Coupled Model (CGCM3) was used and A1B and A2 of Special Report on Emission Scenario (SRES) were selected. Regional climate change data for this application were downscaled by using Statistical Downscaling Model (SDSM) and the flow and BOD concentration durations were obtained by using Hydrological Simulation Program - Fortran (HSPF). The criteria for low flow and water quality were chosen as $Q_{99}$, $Q_{95}$, $Q_{90}$ and $C_{30}$, $C_{10}$, $C_1$. The numbers of days to satisfy the instreamflow requirements and target BOD concentration were also added to the criteria for comparison. As a results, small wastewater treatment plant improved the water cycle due to the increase of low flow and the decrease of BOD concentration. But climate change affected the reduction of effectiveness significantly. Especially in case of construction of small waste water treatment plant in the upstream region, it is necessary to take climate change impact into consideration since it is usually related to the low flow and the water quality of the stream.
Keywords
Climate change; Duration curve; Hydrological Simulation Program - Fortran (HSPF); Statistical Downscaling Model (SDSM); Waste water treatment plant;
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Times Cited By KSCI : 11  (Citation Analysis)
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