Circumpolar ocean stability on Mars 3 Gy ago

Author:

Schmidt Frédéric12ORCID,Way Michael J.345ORCID,Costard François1,Bouley Sylvain126,Séjourné Antoine1,Aleinov Igor37ORCID

Affiliation:

1. Université Paris-Saclay, CNRS, GEOPS, 91405 Orsay, France

2. Institut Universitaire de France, 75231 Paris, France

3. NASA Goddard Institute for Space Studies, New York, NY 10025

4. Goddard Space Flight Center Sellers Exoplanet Environments Collaboration, Greenbelt, MD 20771

5. Theoretical Astrophysics, Department of Physics and Astronomy, Uppsala University, 752 37 Uppsala, Sweden

6. IMCCE–Observatoire de Paris, CNRS-UMR 8028, Paris, France

7. Center for Climate Systems Research, Columbia University, New York, NY 10025

Abstract

Significance The current Martian climate is not habitable and far from Earth’s climate. At the same time that life spread on Earth (3 Gy ago), the Red Planet was possibly more similar to our Blue Planet. Our model includes a coupled model with dynamic ocean and atmosphere including a hydrological cycle and a simplified glacier mass flux scheme. We show that an ocean is stable in agreement with interpretations of the surface geological records.

Publisher

Proceedings of the National Academy of Sciences

Subject

Multidisciplinary

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