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Origin of Jupiter's cloud-level zonal winds remains a puzzle even after Juno
Kong, Dali1,2; Zhang, Keke2,3; Schubert, Gerald4; Anderson, John D.
2018-08-21
Source PublicationPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
ISSN0027-8424
Volume115Issue:34Pages:8499-8504
Corresponding AuthorZhang, Keke(K.Zhang@exeter.ac.uk) ; Schubert, Gerald(schubert@ucla.edu)
AbstractHow 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.
KeywordJupiter winds origin
DOI10.1073/pnas.1805927115
WOS KeywordSHALLOW-WATER TURBULENCE ; GIANT PLANETS ; GRAVITATIONAL SIGNATURE ; MOIST CONVECTION ; MAGNETIC-FIELD ; GAS GIANTS ; DEEP ; JETS ; SPHERE ; MODEL
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000442351000037
PublisherNATL ACAD SCIENCES
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/21471
Collection中国科学院紫金山天文台
Corresponding AuthorZhang, Keke; Schubert, Gerald
Affiliation1.Shanghai Astron Observ, Key Lab Planetary Sci, Shanghai 200030, Peoples R China
2.Univ Exeter, Ctr Geophys & Astrophys Fluid Dynam, Exeter EX4 4QE, Devon, England
3.Macau Univ Sci & Technol, Lunar & Planetary Sci Lab, Taipa 999078, Macau, Peoples R China
4.Univ Calif Los Angeles, Dept Earth Planetary & Space Sci, Los Angeles, CA 90095 USA
Recommended Citation
GB/T 7714
Kong, Dali,Zhang, Keke,Schubert, Gerald,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,2018,115(34):8499-8504.
APA Kong, Dali,Zhang, Keke,Schubert, Gerald,&Anderson, John D..(2018).Origin of Jupiter's cloud-level zonal winds remains a puzzle even after Juno.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,115(34),8499-8504.
MLA Kong, Dali,et al."Origin of Jupiter's cloud-level zonal winds remains a puzzle even after Juno".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 115.34(2018):8499-8504.
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