2D photochemical modeling of Saturn’s stratosphere. Part II: Feedback between composition and temperature
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- 作者：V. Huea ; b ; c ; vhue@swri.org" class="auth_mail" title="E-mail the corresponding author ; T.K. Greathousec ; T. Cavalié ; d ; e ; M. Dobrijevica ; b ; F. Hersanta ; b
- 关键词：Jovian planets ; Saturn ; atmosphere ; Atmospheres ; structure ; Photochemistry ; Atmospheres ; composition
- 刊名：Icarus
- 出版年：2016
- 出版时间：15 March 2016
- 年：2016
- 卷：267
- 期：Complete
- 页码：334-343
- 全文大小：2318 K
文摘
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We model Saturn’s stratospheric composition and temperature as a function of latitude and season.
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We couple photochemical model and radiative seasonal model.
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Cassini’s observations of the equator-to-pole thermal gradient are better reproduced around 1 mbar.
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Accounting for such coupling predicts an earlier temperature peak in the higher-stratosphere.
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Saturn’s thermal structure seems to depart from pure radiative equilibrium in the higher stratosphere.