globalchange  > 气候变化与战略
DOI: 10.1016/j.epsl.2019.115885
论文题名:
The energy budget and figure of Earth during recovery from the Moon-forming giant impact
作者: Lock S.J.; Stewart S.T.; Ćuk M.
刊名: Earth and Planetary Science Letters
ISSN: 0012821X
出版年: 2020
卷: 530
语种: 英语
中文关键词: energy ; figure ; impact ; Moon ; tides
英文关键词: Budget control ; Tidal power ; Tides ; energy ; Energy components ; figure ; impact ; Internal energies ; Internal structure ; Moon-forming giant impact ; Thermal structure ; Moon ; Earth tide ; energy budget ; impact structure ; model ; Moon ; planetary evolution ; thermal structure
英文摘要: Quantifying the energy budget of Earth in the first few million years following the Moon-forming giant impact is vital to understanding Earth's initial thermal state and the dynamics of lunar tidal evolution. After the impact, the body was substantially vaporized and rotating rapidly, very different from the planet we know today. The subsequent evolution of Earth's energy budget, as the body cooled and angular momentum was transferred during lunar tidal recession, has not been accurately calculated with all relevant energy components included. Here, we use giant impact simulations and planetary structure models to calculate the energy budget at stages in Earth's evolution. We show that the figure and internal structure of Earth changed substantially during its post-impact evolution and that changes in kinetic, potential, and internal energy were all significant. These changes have important implications for the dynamics of tidal recession and the thermal structure of early Earth. © 2019 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/165134
Appears in Collections:气候变化与战略

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作者单位: Division of Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd., Pasadena, CA 91125, United States; Department of Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, United States; Department of Earth and Planetary Sciences, University of California Davis, One Shields Avenue, Davis, CA 95616, United States; SETI Institute, 189 Bernardo Avenue, Mountain View, CA 94043, United States

Recommended Citation:
Lock S.J.,Stewart S.T.,Ćuk M.. The energy budget and figure of Earth during recovery from the Moon-forming giant impact[J]. Earth and Planetary Science Letters,2020-01-01,530
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