A common origin for ridge-and-trough terrain on icy satellites by sluggish lid convection
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- 作者：Amy C. Barra ; b ; c ; ; Noah P. Hammonda
- 关键词：Convection ; Ice ; Tectonics
- 刊名：Physics of the Earth and Planetary Interiors
- 出版年：2015
- 出版时间：December 2015
- 年：2015
- 卷：249
- 期：Complete
- 页码：18-27
- 全文大小：599 K
文摘
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Ridge-and-trough terrain is a common landform on the icy satellites of the outer planets.
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We show that the terrain can form due to sluggish lid convection in solid ice.
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Tidal flexing is required to weaken the near-surface ice.
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We find the Rayleigh–Nusselt number relationship in the sluggish lid regime.
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Convection is the process that forms ridge-and-trough terrain on all satellites.