Models and Observations of Moist Convection in the atmospheres of Jupiter and Saturn

Details Models and Observations of Moist Convection in the atmospheres of Jupiter and Saturn Models and Observations of Moist Convection in the atmospheres of Jupiter and Saturn

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf..365h&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.365

Computer Science

Scientific paper

The Atmospheres of the giant planets Jupiter and Saturn have deep internal heat sources and three gases able to condense forming clouds at different altitudes in their tropospheres. Together they form a complex "weather layer" which is prompt to the development of moist convective storms powered by latent heat release that play an important role in the large-scale dynamics of these atmospheres. Large [1, 2] and mid-scale storms have been observed in both planets with lightning discharges [3-5] and intense releases of energy [6] that point to a deep source in the unobserved water cloud layer. The scale size (1,000-10,000 km), long temporal evolution of the storms (from a few days to several months), and the lack of information from the lower water cloud have limited the development of numerical models able to reproduce the observations. As such we do not know the reasons underneath key observed characteristics of moist convective storms such as their spatial distribution in certain latitudes and their apparent periodicities. Here we review the characteristics of several numerical models developed for the giant planets and propose further steps for future research.

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