Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2021GL096939 |
Silicate volcanism on Europa’s seafloor and implications for habitability | |
M. T. Bland; C. M. Elder | |
2022-02-03 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2022 |
英文摘要 | Habitable ocean environments on Europa require an influx of reactants to maintain chemical disequilibrium. One possible source of reactants is seafloor volcanism. Modeling has shown that dissipation of tidal energy in Europa’s asthenosphere can generate melt, but melt formation cannot be equated with volcanism. Melt must also be transported through Europa’s cold lithosphere to erupt at the seafloor. Here, we use two models of dike propagation to show that dikes can only traverse the lithosphere if either the fracture toughness of the lithosphere or the flux into the dike is large (>500 MPa m1/2 or ∼1 m2 s-1, respectively). We conclude that cyclic volcanic episodes might provide reactants to Europa’s ocean if magma accumulates at the base of the lithosphere for several thousand years. However, if dikes form too frequently, or are too numerous, the magma flux into each will be insufficient, and volcanism cannot support a habitable ocean environment. |
领域 | 气候变化 |
URL | 查看原文 |
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文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/346796 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | M. T. Bland,C. M. Elder. Silicate volcanism on Europa’s seafloor and implications for habitability[J]. Geophysical Research Letters,2022. |
APA | M. T. Bland,&C. M. Elder.(2022).Silicate volcanism on Europa’s seafloor and implications for habitability.Geophysical Research Letters. |
MLA | M. T. Bland,et al."Silicate volcanism on Europa’s seafloor and implications for habitability".Geophysical Research Letters (2022). |
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