• A Comparative Study of Groundwater Vulnerability Assessment Methods: Application in Gumma, Korea
  • Ki, Min-Gyu;Yoon, Heesung;Koh, Dong-Chan;Hamm, Se-Yeong;Lee, Chung-Mo;Kim, Hyun-Su;
  • Korea Institute of Geoscience and Mineral Resources;Korea Institute of Geoscience and Mineral Resources;Korea Institute of Geoscience and Mineral Resources;Division of Earth Environmental System, Pusan National University;Division of Earth Environmental System, Pusan National University;Department of Earth and Environmental Sciences, Chonbuk National University;
  • 지하수 오염 취약성 기법의 비교 적용 연구: 충남 홍성군 금마면 일대에의 적용
  • 기민규;윤희성;고동찬;함세영;이충모;김현수;
  • 한국지질자원연구원;한국지질자원연구원;한국지질자원연구원;부산대학교 지질환경과학과;부산대학교 지질환경과학과;전북대학교 지구환경과학과;
Abstract
In the present study, several groundwater vulnerability assessment methods were applied to an agricultural area of Gumma in Korea. For the groundwater intrinsic vulnerability assessment, the performance of DRASTIC, SINTACS and GOD models was compared and an ensemble approach was suggested. M-DRASTIC and multi-linear regression (MLR) models were applied for the groundwater specific vulnerability assessment to nitrate of the study site. The correlation coefficient between the nitrate concentration and M-DRASTIC index was as low as 0.24. The result of the MLR model showed that the correlation coefficient is 0.62 and the areal extents of livestock farming and upland field are most influential factors for the nitrate contamination of groundwater in the study site.

Keywords: Groundwater contamination;Vulnerability assessment;Agricultural area;Nitrate;

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This Article

  • 2013; 18(3): 119-133

    Published on Jun 30, 2013

  • 10.7857/JSGE.2013.18.3.119
  • Received on May 30, 2013
  • Revised on Jun 24, 2013
  • Accepted on Jun 24, 2013