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여러 가지 양수시험분석방법 적용을 통한 목천지역 암반대수층의 수리지질학적 특성
강래수 ( Lae Soo Kang ),함세영 ( Se Yeong Hamm ),최성자 ( Sung Ja Choi ),이병대 ( Byeong Dae Lee ) 대한지질공학회 2003 지질공학 Vol.13 No.1
목천지역의 반경 1km 이내에 위치하는 5개 먹는샘물 제조업체(시원샘물, 대정음료, 자인관광, 청수음료, 한주식품)에서 수행된 양수시험자료를 분석하였다. 양수시험분석을 위해서는 Theis(1935), Papadopulos-Cooper(1967), Hantush(1960, 1962), Hantush-Jacob(1955), Moench(1985), Neuman-Witherspoon(1969), Gringarten-Witherspoon(1969), Gringarten-Ramey(1974) 식을 이용하였다. 양수시험분석 결과, 쐐기형 피압대수층 모델(Hantush, 1962)과 Case-1 누수피압대수층 모델(Moench, 1985)이 연구지역의 암반대수층에 가장 적합한 것으로 나타났다. 상기 모델은 본 연구지역에 나타나는 두 조의 충상단층(N18E 주향의 충상단층과 NS 주향의 층상단층)에 규제되어 만들어진 대수층의 형태와 잘 일치한다. Pumping test data obtained from five natural mineral-water producing companies (Siwon Saemmul, Daejeong Eumryo, Jain Guanguang, Cheongsu Eumryo and Hanju Sikpum) that are located within 1 km radius around Mockcheon area were analyzed. Theis(1935), Papadopulos-Cooper(1967), Hantush(1960, 1962), Hantush-Jacob(1955), Moench(1985), Neuman-Witherspoon(1969), Gringarten-Witherspoon(1969) and Gringarten-Ramey(1974) equations were applied to the pumping test analysis. The result of the pumping test analysis shows that wedge-typed confined aquifer model (Hantush, 1962) and leaky confined aquifer Case-1 model (Moench, 1985) were suitable for the study area. The models match well with geologic structure in the study area which controls aquifer by means of two major thrust faults having N18E and NS strikes, respectively.
함세영,김무진,강래수,정재열,차용훈,장성 부산대학교 환경문제연구소 2003 環境硏究報 Vol.21 No.-
According to favorable water quality, groundwater is used as subsitutive water resources for surfare water. However, groundwater is contaminated more and more due to industrialization and population increase. This study assesses groundwater vulnerability to contaminants in 12 dongs (administrative districe) of Changwon city using with DRASTIC. DRASTIC was originally applied to the situations that contamination sources are on ground surface, and contaminants flow into groundwater with infiltration of rainfall. In addition to DRASTIC factors, groundwater contamination in urban area is also related with overpumping and with lowering of water level. Correlation coefficient between mumimum values of DRASTIC index and unfitness rate to drinking water quality for 10 dongs is low as 0.40. On the contrary, the correlation coefficient between minimum values of DRASTIC index and groundwater discharge rate and that between minimum values of DRASTIC index and well distribution density are 0.70 and 0.87, respectively. Thus, to evaluate the potential of groundwater contamination in urban areas, it is necessary to consider other factors such as groundwater abstraction rate and well density per unit area with ratings and weights as well as existing six DRASTIC factors.
고속철도 건설과 관련하여 지하수위 분포를 이용한 지하수환경 변화 분석
함세영,류상민,정재열,강래수,문상호,황학수 부산대학교 환경문제연구소 2002 環境硏究報 Vol.20 No.-
This study is aimed for estimating change of groundwater environment in relation to constructing Honam express railway in Cheonan-Iksan section. This study was conducted by measuring depth to water and by calculating groundwater level anomaly. Depth to water ranges from 0.03 to 21.1 m and ranges from 0.17 to 227.95 m mean sea level. Distributions of depth to water, of groundwater elevation and of groundwater level anomaly were analyzed to estimate water-level change due to express railway construction. High water-level anomaly section is found in Jangjae(Cheonan)-Daejeon-Iksan section with anomaly index 85.39. High water-level change is anticipated in 22.22-24.19 km, 25.1-25.53 km, 25.53-26.46 km, 26.46-27.77 km, 28.7-29.29 km, 30.18-30.26 km, and 30.26-32.4 km sections from the start of Jangjae(Cheonan).