O'Neill_et_al-2017-Geophysical_Research_Letters.pdf (437.46 kB)
Galileo probe interpretation indicating a neutrally stable layer in the Jovian troposphere
journal contribution
posted on 2017-05-19, 15:30 authored by Morgan E. O'Neill, Yohai Kaspi, Leigh N. FletcherThe sole in situ measurement of a giant planet atmosphere comes from the Galileo probe, which plunged through Jupiter's weather layer at 6.5°N and measured a remarkably stable atmospheric temperature profile. Horizontal winds were observed to substantially increase from 1 to 3 bars, in a region of relatively low static stability. We show that this high-shear region indicates the best possibility of zero potential vorticity and resulting slantwise convection and suggest that the fluid here could potentially be adiabatic. We generalize an expression to determine lapse rates along constant angular momentum surfaces for deep atmospheres at any latitude.
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Citation
Geophysical Research Letters, 2017, doi: 10.1002/2017GL073305Author affiliation
/Organisation/COLLEGE OF SCIENCE AND ENGINEERING/Department of Physics and AstronomyVersion
- VoR (Version of Record)
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Geophysical Research LettersPublisher
American Geophysical Unionissn
0094-8276eissn
1944-8007Acceptance date
2017-04-22Copyright date
2017Available date
2017-11-14Publisher DOI
Publisher version
http://onlinelibrary.wiley.com/doi/10.1002/2017GL073305/abstract;jsessionid=3823AF2931B471F8C0470ABED85606A9.f04t02#footer-article-infoNotes
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