Saman Karimi

 

Thermal and Structural Evolution of Mars

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Here I explored the thermal history of Mars by modeling the evolution of large craters and Quasi-Circular Depressions in the Southern Highlands and Northern Lowlands, respectively. Because of the spatial distribution of craters on the surface of Mars, this study yielded a thermal map for Mars that is more complete and less biased regionally relative to other studies. The results revealed a higher background heat flux for the northern hemisphere relative to the southern hemisphere during the most ancient Noachian epoch, which suggests a thermal fingerprint to whatever process that formed the hemispherical crustal dichotomy - the oldest and the most prominent geomorphic feature on Mars (Published in Icarus).
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Contour map of surface heat flux (in mW/ m*m) of Mars during the Noachian, overlain on the Martian topography (Karimi et al 2016).
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