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High-resolution seismic images of gas hydrate-bearing sediments in the Sea of Okhotsk

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Title
High-resolution seismic images of gas hydrate-bearing sediments in the Sea of Okhotsk
Other Titles
오호츠크해 가스하이드레이트 함유퇴적층의 고해상도 영상
Authors
Jin, Young Keun
Chung, Kyung Ho
Kim, Yeadong
Nam, SangHeon
Keywords
gas hydrates; high-resolution seismic image; the Sea of Okhotsk
Issue Date
2004
Citation
Jin, Young Keun, et al. 2004. High-resolution seismic images of gas hydrate-bearing sediments in the Sea of Okhotsk. 대한지구물리학회 한국물리탐사학회. 대한지구물리학회 한국물리탐사학회. 2004.06.10~.
Abstract
Gas hydrate-related features appear to be completely different images with respect to frequency. For example, the bottom simulating reflectors (BSRs) occur as a sharp and strong reflector parallel to the seafloor on multichannel seismic profiles using low frequency seismic sources like airgun, whereas the BSR is not distinct or appears as diffuse high-amplitude reflections (HARs) around the base of the hydrate stability zone (BHSZ) on the profiles using high frequency sources like sparker or 3.5 kHz sub-bottom profiler. With the high-resolution seismic images obtained during the Leg 1 (cruise LV31) of the CHAOS project (2003) (Fig. 1), we examined gas hydrate- related features in gas hydrate-bearing sediments in the Sea of Okhotsk in this study.
URI
http://repository.kopri.re.kr/handle/201206/7542
Conference Name
대한지구물리학회 한국물리탐사학회
Conference Place
대한지구물리학회 한국물리탐사학회
Conference Date
2004.06.10~
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