METHANE HYDRATE STABILITY IN SEAWATER

被引：306

作者：

DICKENS, GR ^{[1
]}

QUINBYHUNT, MS ^{[1
]}

机构：

[1] LAWRENCE BERKELEY LAB,DIV ENERGY & ENVIRONM,BERKELEY,CA 94720

来源：

GEOPHYSICAL RESEARCH LETTERS | 1994年 / 21卷 / 19期

关键词：

D O I：

10.1029/94GL01858

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Experimental data are presented for methane hydrate stability conditions in seawater (S almost-equal-to 33.5 part per thousand). For the pressure range of 2.75-10.0 MPa, at any given pressure, the dissociation temperature of methane hydrate is depressed by approximately -1.1 degrees-C relative to the pure methane-pure water system. These experimental results are consistent with previously reported thermodynamic predictions and experimental results obtained with artificial seawater. Collectively these results provide a minimum constraint concerning depth ranges over which methane hydrate is stable in the oceanic environment.

引用

页码：2115 / 2118

页数：4

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