Episodic greenhouse climates on Mars

Details Episodic greenhouse climates on Mars Episodic greenhouse climates on Mars

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28..493g&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 493.

Physics

Mars Atmosphere, Greenhouse Effect, Planetary Meteorology, Climate, Glaciology, Lakes, Sea Water, Carbon Dioxide

Scientific paper

Baker et al. (1991) proposed that a variety of anomalous fluvial and glacial features of varying ages on Mars could be explained by transient greenhouse atmospheres produced in association with ephemeral lakes or seas resulting from outflow channel formation. In this hypothesis, the discharge of the outflow channels is associated with the release of several bars of CO2 into the Martian atmosphere. During the resulting greenhouse period, fluvial valleys, such as those on the flanks of the volcano Alba Patera, and glacial features, such as eskers in the southern highlands, are formed. The transient greenhouse hypothesis thus attempts to explain anomalous features which formed long after the putative warm wet early Martian climate had decayed. Several aspects of the Baker et al. hypothesis have been questioned. An analysis of these aspects of the hypothesis are reported in this paper. They involve the greenhouse effect, atmospheric vapor transport, the sources of the CO2 pulses, and the Martian climate stability.

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