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Geophysical investigation of methane seeps on the NE Sakhalin continental slope, Sea of Okhotsk

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Title
Geophysical investigation of methane seeps on the NE Sakhalin continental slope, Sea of Okhotsk
Other Titles
오호츠크해 북동사할린 대륙사면에 나타나는 메탄분출구에 대한 지구물리탐사
Authors
Jin, Young Keun
SSGH scientific Party
Keywords
acoustic; gas chimney; gas flare; gas hydrate; methane seep
Issue Date
2008
Citation
Jin, Young Keun, SSGH scientific Party. 2008. Geophysical investigation of methane seeps on the NE Sakhalin continental slope, Sea of Okhotsk. 한국지구물리물리탐사학회. 한국지구물리물리탐사학회. 2008.10.09~.
Abstract
During CHAOS (2003, 2006) and SSGH projects (2007), acoustic investigation including hydroacoustic (HA), side-scan sonar (SSS) and highresolution sparker seismic (HSS) surveys was carried out on the northeastern Sakhalin slope (53°56' N, 143°52' E to 54°40' N, 144°32' E). More than 130 methane seeps with high backscatter intensity are identified on SSS mosaic, which are well accompanied with gas flares in the water column on HA profiles and subbottom gas chimneys on HSS profiles. It is likely that that some seeps align along a NW strike parallel to the Lavrentiev Fault.
URI
http://repository.kopri.re.kr/handle/201206/7862
Conference Name
한국지구물리물리탐사학회
Conference Place
한국지구물리물리탐사학회
Conference Date
2008.10.09~
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