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- W888901108 abstract "요약: 소형루프 전자탐사법은 신속한 비파괴 물리탐사법으로 천부 지반조사나 환경오염대의 조사에 매우 효과적인 방법이다. 특히 수심이 낮은 천해지역 조사의 경우에는 신호의 크기가 크고, 잡음이 적으며, 매우 신속한 조사가 가능한 매우 효과적인 조사방법중의 하나이다. 그러나 이러한 소형루프 전자탐사법의 장점에도 불구하고, 천해환경에서의 적용은가탐심도에 대한 우려와 인식부족으로 인하여 거의 적용이 이루어지지 않고 있다. 본 연구에서는 1차원 모델링 및 역산프로그램을 이용하여 천해지역에서 소형루프 전자탐사 자료의 반응양상을 분석하였다. 분석결과, 소형루프 전자탐사는 수심이 깊지 않은 해양지역 조사에 효과적으로 적용될 수 있음을 확인하였다. 또한 이론 및 현장자료에 대한 수심을 고려한 1차원 역산을 통하여 해수면 하부 지층의 전기비저항 분포에 관한 정보를 보다 정량적으로 추정할 수 있었다. 주요어: 소형루프 전자탐사, 1차원 역산, 천해환경Abstract: The small-loop electromagnetic (EM) method is one of the rapid and non-destructive geophysical methods andhas been used widely for many geophysical investigations, particularly for shallow engineering and environmental surveys.Especially in the shallow marine environment, the small-loop EM technique is very effective because of rapid andconvenient data acquisition, large signal and low noise level. However, the method has been rarely applied in the veryconductive marine environment since it's penetration or investigation depth might be considered too low. In this study,we demonstrated that the small-loop EM method can be effectively applied in the extremely conductive marineenvironment through the analysis of 1D small-loop EM data. Furthermore, we confirmed that the resistivity distributionunder the sea bottom can be quantitatively predicted from the 1D inversion results of synthetic and field data.Keywords: small-loop EM, 1D inversion, shallow marine environment" @default.
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- W888901108 date "2011-01-01" @default.
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- W888901108 title "Applicability of the Small-Loop EM Method in the Sallow Marine Environment" @default.
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- W888901108 doi "https://doi.org/10.7582/gge.2011.14.2.152" @default.
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