Temperature profiles in Jupiter's upper atmosphere

Details Temperature profiles in Jupiter's upper atmosphere Temperature profiles in Jupiter's upper atmosphere

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja.....4172m&link_type=abstract

EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #4172

Physics

Scientific paper

Recently, Stallard and coworkers observed an event in Jupiter's auroral polar regions that resulted in a temperature increase of around 125K during the period of approximately seven jovian rotations [1]. This "auroral event" involves a great deal of energy being deposited in the upper atmosphere - up to 250mW m-2. Stallard et al. made these measurements using H_3^+ emission lines from the fundamental (v=1 rightarrow 0) and hotband (v=2 rightarrow 1) manifolds around 4μm. In this poster, we use the temperature profiles developed by Grodent and coworkers [2] in their one-dimensional model of the jovian aurorae to demonstrate that the lines used by Stallard et al. are formed at different altitudes in the atmosphere: the hotband is formed higher than the fundamental. We show a series of profiles, based on Grodent {et al.}'s original model that can be used to interpret future jovian spectra. [1] T. Stallard et al., 2002. Icarus 156, 498-514. [2] D. Grodent, J. Hunter Waite Jr. and J.-C. G&{acute;e}rard, 2001. J. Geophys. Res. 106, 12933-12952.

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