Gas hydrate of Lake Baikal: Discovery and varieties

被引：71

作者：

Khlystov, Oleg ^{[1
]}

De Batist, Marc ^{[2
]}

Shoji, Hitoshi ^{[3
]}

Hachikubo, Akihiro ^{[3
]}

Nishio, Shinya ^{[4
]}

Naudts, Lieven ^{[2
]}

Poort, Jeffrey ^{[2
]}

Khabuev, Andrey ^{[1
]}

Belousov, Oleg ^{[1
]}

Manakov, Andrey ^{[1
,5
]}

Kalmychkov, Gennady ^{[1
,6
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Limnol Inst, Irkutsk 664003, Russia

[2] Univ Ghent, Renard Ctr Marine Geol, B-9000 Ghent, Belgium

[3] Kitami Inst Technol, Kitami, Hokkaido 090, Japan

[4] Shimizu Corp, Inst Technol, Tokyo 135, Japan

[5] Russian Acad Sci, Siberian Branch, Nikolaev Inst Inorgan Chem, Novosibirsk, Russia

[6] Russian Acad Sci, Vinogradov Inst Geochem, Siberian Branch, Irkutsk 664003, Russia

来源：

JOURNAL OF ASIAN EARTH SCIENCES | 2013年 / 62卷

基金：

日本学术振兴会;

关键词：

Gas; Gas hydrate; Mud volcano; Seep; MIR submersible; Lake Baikal; BOTTOM SEDIMENTS; METHANE;

D O I：

10.1016/j.jseaes.2012.03.009

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

This paper summarizes the results of recent gas-hydrate studies in Lake Baikal, the only fresh-water lake in the world containing gas hydrates in its sedimentary infill. We provide a historical overview of the different investigations and discoveries and highlight some recent breakthroughs in our understanding of the Baikal hydrate system. So far, 21 sites of gas hydrate occurrence have been discovered. Gas hydrates are of structures I and II, which are of thermogenic, microbial, and mixed origin. At the 15 sites, gas hydrates were found in mud volcanoes, and the rest six - near gas discharges. Additionally, depending on type of discharge and gas hydrate structure, they were visually different Investigations using MIR submersibles allowed finding of gas hydrates at the bottom surface of Lake Baikal at the three sites. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：162 / 166

页数：5

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