Distribution of free gas in marine sediments: A global overview

被引：0
作者：
Fleischer P. [1 ]
Orsi T.H. [1 ]
Richardson M.D. [1 ]
Anderson A.L. [1 ]
机构：
[1] Naval Research Laboratory, Stennis Space Center
来源：
Geo-Marine Letters | 2001年 / 21卷 / 2期
关键词：
Methane; Turbidity; Coastal Water; Marine Sediment; Environmental Significance;
D O I：
10.1007/s003670100072
中图分类号：
学科分类号：
摘要：
To quantify the global distribution of free gas in shallow marine sediments, we have identified and indexed over 100 documented cases in the scientific and engineering literature. Our survey confirms previous assumptions, primarily that gas bubbles are ubiquitous in the organic-rich muds of coastal waters and shallow adjacent seas. Acoustic turbidity, as recorded during seismo-acoustic surveys, is the most frequently cited evidence used to infer the presence of seafloor gas. Biogenic methane predominates within these shallow subbottom deposits. Because of their global prevalence, growing interest in gassy marine sediments is understandable, as their presence can have profound scientific, engineering and environmental significance.
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页码：103 / 122
页数：19
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