Climate-Rotation Feedback on Mars

Details Climate-Rotation Feedback on Mars Climate-Rotation Feedback on Mars

Mar 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999lpi....30.1794b&link_type=abstract

30th Annual Lunar and Planetary Science Conference, March 15-29, 1999, Houston, TX, abstract no. 1794

Physics

Climate, Climate Change, Rotation, Feedback, Mars (Planet), Mars Atmosphere, Climatology, Polar Regions, Polar Caps, Planetary Meteorology

Scientific paper

A new model is presented for the coupled evolution of climate and rotation, as applied to Mars. It has long been appreciated that changes in the orbital and rotational geometry of Mars will influence the seasonal and latitudinal pattern of insolation [1-5], and this will likely dominate climatic fluctuations on time scales of 105 to 107 years [6-9]. Equally important, but less widely appreciated, is the influence climatic change can have on rotational dynamics. The primary means by which climate influences rotation is via its influence on transport of mass (volatiles and dust) into and out of the polar regions. Many important issues remain unresolved: What are the ages of the polar caps? What climatic periods are recorded in the polar layered deposits? What is the long term obliquity history?

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