Ice-Ocean Exchange Processes in the Jovian and Saturnian Satellites

Krista M. Soderlund, Klára Kalousová, Jacob J. Buffo, Christopher R. Glein, Jason C. Goodman, Giuseppe Mitri, G. Wesley Patterson, Marc Rovira-Navarro, Bert Vermeersen, More Authors

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Abstract

A growing number of satellites in the outer solar system likely have global oceans beneath their outer icy shells. While the presence of liquid water makes these ocean worlds compelling astrobiological targets, the exchange of heat and materials between the deep interior and the surface also plays a critical role in promoting habitable environments. In this article, we combine geophysical, geochemical, and geological observations of the Jovian satellites Europa, Ganymede, and Callisto as well as the Saturnian satellites Enceladus and Titan to summarize our current state of understanding of their interiors and surface exchange processes. Potential mechanisms for driving exchange processes upward from the ocean floor and downward from the satellite surface are then reviewed, which are primarily based on numerical models of ice shell and ocean dynamics and complemented by terrestrial analog studies. Future missions to explore these exo-oceans will further revolutionize our understanding of ice-ocean exchange processes and their implications for the habitability of these worlds.

Original languageEnglish
Article number80
Number of pages57
JournalSpace Science Reviews
Volume216
Issue number5
DOIs
Publication statusPublished - 2020

Keywords

  • Callisto
  • Enceladus
  • Europa
  • Ganymede
  • Ice-ocean exchange
  • Titan

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    Soderlund, K. M., Kalousová, K., Buffo, J. J., Glein, C. R., Goodman, J. C., Mitri, G., Patterson, G. W., Rovira-Navarro, M., Vermeersen, B., & More Authors (2020). Ice-Ocean Exchange Processes in the Jovian and Saturnian Satellites. Space Science Reviews, 216(5), [80]. https://doi.org/10.1007/s11214-020-00706-6