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NTIS 바로가기지하수토양환경 = Journal of soil and groundwater environment, v.18 no.3, 2013년, pp.119 - 133
기민규 (한국지질자원연구원) , 윤희성 (한국지질자원연구원) , 고동찬 (한국지질자원연구원) , 함세영 (부산대학교 지질환경과학과) , 이충모 (부산대학교 지질환경과학과) , 김현수 (전북대학교 지구환경과학과)
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...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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다중선형회귀분석의 기능은 무엇인가? | 다중선형회귀분석은 여러 독립변수들로부터 하나의 종속변수의 변화를 예측하고 종속변수에 대한 독립변수들간의 영향력을 평가할 수 있다. 다중선형회귀 모형은 식 (3)의 형태로 표현할 수 있다. | |
지하수 오염 취약성 평가 기법 중 SINTACS가 DRSATIC와 같은 인자를 고려했음에도 산지에서 취약도를 보인 이유는? | 고유 오염취약성평가 결과 DRASTIC은 대수층매질, 비포화대 매질, 수리전도도의 세 인자가 지질도 자료에 의존되기 때문에 높은 등급을 부여받는 충적층에 대한 영향이 가중되어 충적층 지역에서 가장 높은 취약성을 보였다. SINTACS는 DRASTIC과 같은 인자가 고려되었음에도 DRASTIC에 비해 산지에서 다양한 취약도를 보이는데, 이러한 결과는 지하수심도와 경사의 등급을 산정함에 있어 연속함수에 의한 다양한 실수를 부여받기 때문인 것으로 판단된다. GOD 역시 DRASTIC, SINTACS와 마찬가지로 하천을 따라 높은 취약도를 보이나, 상대적으로 단순한 형태의 취약도를 보였다. | |
M-DRASTIC 방법의 특징은 무엇인가? | M-DRASTIC은 Panagopoulos et al.(2006)에 의해 제안된 방법으로 DRASTIC의 등급 및 가중치의 산정 방법을 개선한 방법이다. M-DRASTIC은 DRASTIC의 모든 인자를 고려하면서 각 인자의 등급 및 가중치에 대해서는 실제 측정된 오염 물질의 농도에 비례하여 차등적으로 계산하는 방법이다. 가령, 대수층 매질 인자에서 화강암류 지역의 평균 질산성 질소 농도가 14. |
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