globalchange  > 气候变化与战略
DOI: 10.1073/pnas.1805927115
论文题名:
Origin of Jupiter’s cloud-level zonal winds remains a puzzle even after Juno
作者: Kong D.; Zhang K.; Schubert G.; Anderson J.D.
刊名: Proceedings of the National Academy of Sciences of the United States of America
ISSN: 0027-8424
出版年: 2018
卷: 115, 期:34
起始页码: 8499
结束页码: 8504
语种: 英语
英文关键词: Jupiter ; Origin ; Winds
Scopus关键词: article ; astronomy ; gravity ; uncertainty
英文摘要: How far Jupiter’s cloud-level zonal winds penetrate into its interior, a question related to the origin of the winds, has long been a major puzzle about Jupiter. There exist two different views: the shallow scenario in which the cloud-level winds are confined within the thin weather layer at cloud top and the deep scenario in which the cloud-level winds manifest thermal convection in the deep interior. We interpret, using two different models corresponding to the two scenarios, the high-precision measurements of Jupiter’s equatorially antisymmetric gravitational field by the Juno spacecraft. We demonstrate, based on the thermal-gravitational wind equation, that both the shallow and deep cloud-level winds models are capable of explaining the measured odd gravitational coefficients within the measured uncertainties, reflecting the nonunique nature of the gravity inverse problem. We conclude that the high-precision Juno gravity measurements cannot provide an answer to the long-standing question about the origin of Jupiter’s cloud-level zonal winds. © 2018 National Academy of Sciences. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163674
Appears in Collections:气候变化与战略

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作者单位: Kong, D., Key Laboratory of Planetary Sciences, Shanghai Astronomical Observatory, Shanghai, 200030, China, Center for Geophysical and Astrophysical Fluid Dynamics, University of Exeter, Exeter, EX4 4QE, United Kingdom; Zhang, K., Center for Geophysical and Astrophysical Fluid Dynamics, University of Exeter, Exeter, EX4 4QE, United Kingdom, Lunar and Planetary Science Laboratory, Macau University of Science and Technology, Taipa, Macau, 999078, Macau; Schubert, G., Department of Earth, Planetary and Space Sciences, University of California, Los Angeles, CA 90095-1567, United States; Anderson, J.D.

Recommended Citation:
Kong D.,Zhang K.,Schubert G.,et al. Origin of Jupiter’s cloud-level zonal winds remains a puzzle even after Juno[J]. Proceedings of the National Academy of Sciences of the United States of America,2018-01-01,115(34)
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