Encyclopedia of Lunar Science: Contribution of Surface Processes to the Lunar Exosphere
Encyclopedia of Lunar Science: Contribution of Surface Processes to the Lunar Exosphere
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月球科学百科全书：表面过程对月球外逸层的贡献
DOI：
10.1007/978-3-319-05546-6
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发表时间：
2017
期刊：
影响因子：
--
通讯作者：
Johnson, Robert E.
中科院分区：
文献类型：
--
作者：
Dukes, Catherine A.;Johnson, Robert E.
虽然月球比地球小得多，但其内部发生了动态过程，并帮助塑造了其表面。有人建议，成分驱动的对流是占主导地位的月球岩浆海洋凝固后的早期演变-通常也被称为地幔翻转-和热驱动的对流主要是活跃在这个翻转阶段后。然而，这些过程的细节是有争议的讨论，但在过去几年中，数值模型和新的流变实验的改进导致了更好的理解，并改变了对月球内部动力学的看法。在本章中，我们将讨论文献中提出的各种方案，指出它们的问题，并介绍最可能的方案。
Although the Moon is much smaller than the Earth, dynamic processes took place in its interior and helped shape its surface. It is suggested that compositionally driven convection was dominant in the early evolution after the solidification of the lunar magma ocean -- often also termed as mantle overturn – and that thermally driven convection was mainly active after this overturn phase. Details of these processes are however controversially discussed, but during the last years, improvements in the numerical models and new rheological experiments have led to a better understanding and changed the view about the interior dynamics of the Moon. In this chapter we will discuss various scenarios that have been suggested in the literature, point out their problems and introduce the most likely scenario.