کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1773623 | 1523565 | 2010 | 21 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Persistent rings in and around Jupiter's anticyclones - Observations and theory
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
علوم فضا و نجوم
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
We develop a theory for the secondary circulation, where air is (baroclinically) rising along the center of a vortex in a subadiabatic atmosphere, and descending at a distance not exceeding â¼2Ã the local Rossby deformation radius. Using this model, we find a timescale for mixing throughout the vortex of order several months, which suggests that the chromophores that are responsible for the red color of Oval BA's red annulus must be produced locally, at the location of the annulus. This production most likely results from the adiabatic heating in the descending part of the secondary circulation. Such higher-than-ambient temperature causes NH3-ice to sublime, which will expose the condensation nuclei, such as the red chromophores.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Icarus - Volume 210, Issue 2, December 2010, Pages 742-762
Journal: Icarus - Volume 210, Issue 2, December 2010, Pages 742-762
نویسندگان
Imke de Pater, Michael H. Wong, Philip Marcus, Statia Luszcz-Cook, Maté Ádámkovics, Al Conrad, Xylar Asay-Davis, Christopher Go,