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NTIS 바로가기한국지구과학회지 = Journal of the Korean Earth Science Society, v.40 no.1, 2019년, pp.24 - 36
In the mid-eastern Yellow Sea, glacio-eustatic sea-level fluctuations and a regional tectonic subsidence have combined to represent an aggradational stacking pattern of sedimentary units during late Pleistocene-Holocene. The accumulated sediments are divisible into two-type units of Type-A and Type-...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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지층 모델의 구성은 무엇에 따라 결정되는가? | 지음향 모델(geoacoustic model)의 수직적 특성은 지층 모델(bottom model)에 의해 영향을 받는다. 지층 모델의 구성은 지층을 형성하는 퇴적층의 쌓임에 의해 결정된다. 해저 지층의 층서는 해수면 변동(sealevel change), 지구조 침강 또는 융기, 퇴적물 공급 등의 요인에 의해 형성된다(Posamentier et al. | |
탄성파 자료 취득 시스템에서 탄성파 자료를 취득하기 위한 과정은? | 탄성파 자료 취득 시스템은 수중에서 방사된 음파가 해저면과 해저 지층에서 반사되어 오는 반사파를 수진기로 수신하여 자료를 취득하는 탐사 방법이다. 탄성파 자료를 취득할 때 연구선의 평균 속도는 5 노트였으며, 매 2초마다 음파를 발생시켜 해저 지층에 대한 반사파 신호를 약 5 m 간격으로 수신하였다. 수신된 탄성파 자료는 지층 경계면, 지층 내부 반사형상, 지층의 기하학적 외형 등을 기준으로 탄성파 층서단위를 구분하고 분류하였다(Fig. | |
해저 지층의 층서는 어떤 요인에 의해 생성되는가? | 지층 모델의 구성은 지층을 형성하는 퇴적층의 쌓임에 의해 결정된다. 해저 지층의 층서는 해수면 변동(sealevel change), 지구조 침강 또는 융기, 퇴적물 공급 등의 요인에 의해 형성된다(Posamentier et al., 1988; Mitchum and Van Wagoner, 1991; Nummedal et al. |
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