globalchange  > 科学计划与规划
DOI: 10.1002/2016GL069066
论文题名:
Global rate and distribution of H2 gas produced by serpentinization within oceanic lithosphere
作者: Worman S.L.; Pratson L.F.; Karson J.A.; Klein E.M.
刊名: Geophysical Research Letters
ISSN: 0094-9549
EISSN: 1944-9280
出版年: 2016
卷: 43, 期:12
起始页码: 6435
结束页码: 6443
语种: 英语
英文关键词: free hydrogen ; global production rates ; mid-ocean ridge (MOR) ; reduced gases ; serpentinization of peridotite ; subseafloor biosphere
Scopus关键词: Lithology ; Continental lithosphere ; Global production ; Inverse relationship ; Mid oceanic ridges ; Mid-ocean ridges ; Oceanic lithosphere ; Serpentinization ; Sub-seafloor biosphere ; Structural geology
英文摘要: It has recently been estimated that serpentinization within continental lithosphere produces H2 at rates comparable to oceanic lithosphere (both are ~1011 mol H2/yr). Here we present a simple model that suggests that H2 production rates along the mid-oceanic ridge alone (i.e., excluding other marine settings) may exceed continental production by an order of magnitude (~1012 mol H2/yr). In our model, H2 production rates increase with spreading rate and the net thickness of serpentinizing peridotite (S-P) in a column of lithosphere. Lithosphere with a faster spreading rate therefore requires a relatively smaller net thickness of S-P to produce H2 at the same rate as lithosphere with a slower rate and greater thickness of S-P. We apply our model globally, incorporating an inverse relationship between spreading rate and net thickness of S-P to be consistent with observations that serpentinization is more common within lithosphere spreading at slower rates. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84983243367&doi=10.1002%2f2016GL069066&partnerID=40&md5=e40204efe4b8e3de96a490800068571c
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/10512
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Division of Earth and Ocean Sciences, Duke University, Durham, NC, United States

Recommended Citation:
Worman S.L.,Pratson L.F.,Karson J.A.,et al. Global rate and distribution of H2 gas produced by serpentinization within oceanic lithosphere[J]. Geophysical Research Letters,2016-01-01,43(12).
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