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THE FATE OF GAS MIGRATION PATHS IN GAS HYDRATE-BEARING SEDIMENT IN THE SEA OF OKHOTSK

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Title
THE FATE OF GAS MIGRATION PATHS IN GAS HYDRATE-BEARING SEDIMENT IN THE SEA OF OKHOTSK
Other Titles
오호츠크해 가스수화물 함유퇴적층에 발달한 가스이동통로의 변화
Authors
Salomatin A
Gladysh V.
Obzhirov A.
Chung, Kyung Ho
Shoji H.
Mazurenko L.
Jin, Young Keun
Kim, Yeadong
Keywords
Okhotsk Sea; gas chimney; gas hydrate; migration paths
Issue Date
2006
Citation
Salomatin A, et al. 2006. THE FATE OF GAS MIGRATION PATHS IN GAS HYDRATE-BEARING SEDIMENT IN THE SEA OF OKHOTSK. VNIIOkeangelogia. VNIIOkeangelogia. 2006.06.19~.
Abstract
Many active gas and fluid venting sites at the seafloor and gas flares in the water column have been detected in the Sea of Okhotsk where massive gas hydrate deposits have been found (Ginsburg et al., 1993
Matveeva et al, 2003, Biebow et al. 2003). In the NE continental margin off Sakhalin Island, we simultaneously collected both high-resolution seismic and hydroacoustic data along the survey lines to examine fine-scale seismic structures of gas hydrate-bearing sediments and ongoing gas-emission features in the water column, respectively. Correlation of those two data sets enables us uniquely to investigate migration paths of methane in gas hydrate-bearing sediments directly associated with ongoing methane releases into the water column. We present here a model of the evolution of the gas chimney during and after large-scale gas release occurs in the water column.
URI
http://repository.kopri.re.kr/handle/201206/7665
Conference Name
VNIIOkeangelogia
Conference Place
VNIIOkeangelogia
Conference Date
2006.06.19~
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