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물 수지 방법과 라돈 물질수지 방법을 이용한 일광유역의 해저용출수 평가
곽용석 ( Yong Seok Gwak ),김상현 ( Sang Hyun Kim ),이용우 ( Yong Woo Lee ),함세영 ( Se Yeung Hamm ),김인수 ( In Soo Kim ),김부근 ( Boo Keun Khim ) 한국환경과학회 2011 한국환경과학회지 Vol.20 No.9
The evaluation of potential submarine groundwater is an important research topic for exploring an alternative water resource. Two different approaches, water budget analysis and Rn mass balance method, were employed to investigate the annual variation of submarine groundwater discharge in 2010 at a marine watershed located at the south-eastern part of Korean Peninsula. In order to obtain reliable hydrological data during study period, temporal and spatial variations of rainfall and soil moisture had been collected and hydro-meterological data such as temperature, humidity and wind speed were collected The runoff response was simulated using SCS-CN method with spatial distributions of landuse and soil texture from GIS analysis. Six different methods were used to estimate the monthly variation of evapotranspiration and field measurements of soil moisture were used to account for the infiltration. Comparisons of infiltration and surface runoff between simulation and water balance with measurements showed coincidence. The water budget analysis and Rn mass balance method provide mean daily submarine groundwater as 5.35 and 4.07 m3/m/day in 2010, respectively.