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임정웅 한국기술사회 2000 技術士 Vol.33 No.1
299 chemical analyses are used to study the characteristics of mineral and thermal waters in South Korea. Even though the concentration of chemical components in thermal waters are generally very low, mineral waters having components more than 1,000 ppm of dissolved total solid(TDS) are reached up to 1975 of total analyses data, In Germany, Japan or some other countries, mineral and thermal waters are defined not only by water temperature, but also by chemical components. The principle of Law in Japan is also almost same with the German regulations. However, the Law for thermal spring In Korea permit thermal water to be qualifiled only by water temperature. For including chemical characters into the regulations or Law of thermal spring, the limit values of TDS and other 9 micro components related to mineral and thermal waters was selected through this study.
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임정웅 한국기술사회 1999 技術士 Vol.32 No.6
299 chemical analyses are used to study the characteristics of mineral and thermal waters in South Korea. Even though the concentration of chemical components in thermal waters are generally very low, mineral waters having components more than 1,000 ppm of dissolved total solid(TDS) are reached up to 19% total analyses data, In Germany, Japan or some other countries, mineral and thermal waters are detined not only by water temperature, but also by chemical components. The principle of Law in Japan in also almost same with the German regulations. However, the Law for thermal spring In Korea permit thermal water to be qualifiled only by water temperature. For including chemical characters into the regulations or Law of thermal spring, the limit values of TDS and other 9 micro components related to mineral and thermal waters was selected through this study.
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함세영,임정웅,배두종,최위찬 한국지하수토양환경학회 1998 지하수환경 Vol.5 No.1
우리나라에서는 최근에 암반지하수 개발이 늘어나고 있으나 과잉 양수에 의한 암반지하수 고갈 및 수질오염이 우려된다. 따라서, 암반지하수 보존을 위해서는 양수정의 적정채수량을 정확히 파악하는 것이 매우 중요하다. 양수정의 적정채수량 결정을 위해서는 먼저 그 지역의 수리지질 특성에 맞은 지하수 모델을 이용하여 정확한 수리상수를 계산하는 것이 중요하다. 본 연구에서는 적합한 모델을 이용하여 암반대수층의 수리상수를 결정하고, 자연적인 함양량의 범위내에서 암반대수층의 적정채수량을 산정하는 방법을 제시하였으며, 이 적정채수량 결정방법을 부산시 금련산에서 수행한 5개 굴착공의 양수시험에 적용하여 그 적용성을 분석하였다. Groundwater exploitation from fissured bedrocks is increasing in Korea and over-withdrawn from a lot of production wells may cause exhaution of groundwater in the fissured aquifer. To conserve groundwater resources, it is needed to exactly determine the optimal yield of production wells. The optimal yield of the production wells can be determined as using suitable aquifer models with appropriate hydraulic parameters and natural recharge of the region. We applied the technique for evaluating optimal yield to the pumping test conducted in Mountain Geumryeon of Pusan City and analyzed its applicability.
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이동영,임정웅,Lee, Dong Young,Lim, Jeong Ung 대한자원환경지질학회 1995 자원환경지질 Vol.28 No.2
Dongrae is one of the most famous hot spring resort area in the Republic of Korea. The water temperature ranges $50^{\circ}C{\sim}66$. The chemical composition of the thermal water is quite different from normal groundwater. $Na^+$ and $Cl^-$ are the main components, measured more than 75%, $Ca^{+{+}}$ is contained about 22% and the other ions such as $SO_4$ or $HCO_3$ are the minor components. The heat source is uprising along the fracture zone of granite which is indicated as a subsurface high temperature belt. During the research period of 1991~1992, the groundwater table was lowered down to the depth of about 100 m according to continuous increase of daily use of thermal water. The groundwater table was fluctuated with an amplitude of day, weak or seasion. The groundwater table was the lowest at 18:00 h in a day and also lowest at the weekend for the week period. There was a relavent relationship between drawdown and the amount of thermal water use on a long term base. To protect such a rapid drawdown of groundwater table, Dongrae resort area is now asked to take strong municipal control for the daily use of thermal water.
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수직 지질구조에 의해서 지배되는 암반지하수 유동의 수리적 성질과 그 예
함세영,김형찬,임정웅 한국지하수토양환경학회 1998 지하수환경 Vol.5 No.2
암반대수층의 수리적 특성은 지하수의 통로가 되는 지질구조에 의해서 크게 좌우된다. 본 연구에서는 수직 지질구조와 관련된 일차원 흐름의 이론들에 대해서 논하였다. 그리고, 경북 영일군 대송면 옥명리에서 행한 두 번의 양수시험(양수시험 1과 양수시험 2)에 대해서, 프락탈 모델을 적용하여 이 지역 수리 특성을 분석하였다. 양수시험분석에 의하면, 양수시험 1(양수정 : D9호공, 관측정 : C3호공과 D7호공)의 시험공 주변은 무한한 길이의 그리고 무한소의 폭을 가지는 수직 지질구조에 의해서 지배되는 일차원 흐름으로 대표되나, 양수시험2의 양수정(D10호공) 주변은 이차원에 가까운 흐름(1.9∼2차원)을 보인다. 이와 같이, 균열암반대수층의 특징은 공간적으로 또는 시간적으로 유동 차원이 달라지는 경우가 많다. Hydraulic property of fissured aquifers often depends on geologic structure which acts main channel of groundwater flow. We treated theories of linear flow related to vertical geologic structure. Then, we analyzed the result of two pumping tests conducted in Okmyeong-ri area (Kyeongbook province) using fractal model and found hydraulic characteristic of the fissured aquifer in this area. According to the pump test analyses, groundwater flow around the holes (pumping well D9; observation wells C3 and D7) of test 1 is linear. and is controlled by vertical geologic structure with infinite length and infinitesimally small width. On the other hand, around the hole D10 (pumping well) of test 2, groundwater flow is pseudo-radial (n=1.9) or radial (n=2). Thus, the characteristic of fractured aquifer often shows variable groundwater flow spatially and temporally.
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