DOI: | 10.1002/2016GL071188
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论文题名: | Slantwise convection on fluid planets |
作者: | O'Neill M.E.; Kaspi Y.
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刊名: | Geophysical Research Letters
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ISSN: | 0094-8467
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EISSN: | 1944-8198
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出版年: | 2016
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卷: | 43, 期:20 | 起始页码: | 10611
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结束页码: | 10620
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语种: | 英语
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英文关键词: | atmosphere
; convection
; Jupiter
; slantwise
; symmetric instability
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Scopus关键词: | Angular momentum
; Earth atmosphere
; Heat convection
; Angular momentum flux
; Diabatic forcing
; Jupiters
; Richardson number
; Rotating fluids
; slantwise
; Slantwise convection
; Symmetric instabilities
; Planets
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英文摘要: | Slantwise convection should be ubiquitous in the atmospheres of rapidly rotating fluid planets. We argue that convectively adjusted lapse rates should be interpreted along constant angular momentum surfaces instead of lines parallel to the local gravity vector. Using Cassini wind observations of Jupiter and different lapse rates to construct toy atmospheres, we explore parcel paths in symmetrically stable and unstable weather layers by the numerically modeled insertion of negatively buoyant bubbles. Low-Richardson number atmospheres are very susceptible to transient symmetric instability upon local diabatic forcing, even outside of the tropics. We explore parcel paths in symmetrically stable and unstable weather layer environments, the latter by adding thermal bubbles to the weather layer. Parcels that cool in Jupiter's belt regions have particularly horizontal paths, with implications for jetward angular momentum fluxes. These considerations may be relevant to the interpretation of Juno's ongoing observations of Jupiter's weather layer. ©2016. American Geophysical Union. All Rights Reserved. |
URL: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-84995542863&doi=10.1002%2f2016GL071188&partnerID=40&md5=14375520e6203df43f1451241352534d
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Citation statistics: |
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资源类型: | 期刊论文
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标识符: | http://119.78.100.158/handle/2HF3EXSE/9430
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Appears in Collections: | 科学计划与规划 气候变化与战略
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作者单位: | Department of Earth and Planetary Sciences, Weizmann Institute of Science, Rehovot, Israel
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Recommended Citation: |
O'Neill M.E.,Kaspi Y.. Slantwise convection on fluid planets[J]. Geophysical Research Letters,2016-01-01,43(20).
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