On the survival of an internal liquid water reservoir at Enceladus' south pole

Details On the survival of an internal liquid water reservoir at Enceladus' south pole On the survival of an internal liquid water reservoir at Enceladus' south pole

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf..563b&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.563

Physics

Scientific paper

The eruptions of water vapor and ice particles on Enceladus' south pole [1] together with huge heat production reaching 15 - 21GW [2] suggest the presence of a strong source of energy within Enceladus' interior. Tidal dissipation is the most likely candidate. Nevertheless, the significant power can be reproduced only if a liquid layer exists at depth [3]. As the presence of a global ocean is challenging [4, 3], we suppose here only a local ocean at the base of the ice shell. By systematically varying the orbital parameters and width of a local ocean, we investigate the conditions under which a liquid reservoir can be thermally stable in Enceladus'interior, see also [5].

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