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NTIS 바로가기지구물리와 물리탐사 = Geophysics and geophysical exploration, v.16 no.3, 2013년, pp.145 - 153
조민희 (한국석유공사 탐사기술처) , 이은일 (국립해양조사원 해양과학조사연구실) , 유학렬 (국립해양조사원 해양관측과) , 강년건 (한국지질자원연구원 석유해저연구본부) , 유동근 (한국지질자원연구원 석유해저연구본부)
High-resolution chirp profiles were analyzed to investigate the echo types of near-surface sediments in the Yellow Sea off the Baegryeong Island. On the basis of seafloor morphology and subbottom echo characters, 7 echo types were identified. Flat seafloor with no internal reflectors or moderately t...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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탄성파 탐사자료상에서 관찰되는 반사면은 어디에서 기인했고, 어떠한 특징을 반영하는가? | 해저 퇴적층의 층서 및 퇴적 역사를 이해하기 위해 탄성파 탐사자료가 광범위하게 활용된다. 탄성파 탐사자료상에서 관찰되는 반사면은 퇴적층의 물성 차이에 기인하며, 구성 퇴적물의 입도 등 퇴적학적인 특징을 반영한다(Mitchum et al., 1977; Posamentier et al. | |
표층퇴적물 분석결과에 의하면 황해 백령도 주변해역에 분포하는 해저면 연계퇴적층에 분포하는 퇴적물의 평균입도 범위의 분포는 어떠한가? | 표층퇴적물 분석결과에 의하면 연구해역에 분포하는 퇴적물 유형(sediment type)은 msG (muddy sandy gravel), gS (gravelly sand), zS (silty sand), S (sand), sZ (sandy silt), sM (sandy mud)의 6가지로 구분된다(Table 2). 평균입도 범위는0.18 ~ 6.04Ø으로 다양한 분포를 보이고 있다. 정점 8, 19, 25에서 5Ø 이하의 세립퇴적물이 분포하며, 자갈을 함유하는 정점 3과 5에서 각각 0. | |
탄성파 탐사자료는 어떻게 활용되고 있는가? | 해저 퇴적층의 층서 및 퇴적 역사를 이해하기 위해 탄성파 탐사자료가 광범위하게 활용된다. 탄성파 탐사자료상에서 관찰되는 반사면은 퇴적층의 물성 차이에 기인하며, 구성 퇴적물의 입도 등 퇴적학적인 특징을 반영한다(Mitchum et al. |
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