Mars’ Climate: Cyclogenesis, Frontal Waves and Dust Modeling

NASA ARC planetary atmospheric scientists (Jeff Hollingsworth and Melinda Kahre) have published on 19 November 2010 an article in Geophysical Research Letters (American Geophysical Union) with this citation:

Hollingsworth, J.L., and M.A. Kahre (2010), Extratropical cyclones, frontal waves, and Mars dust: Modeling and considerations, Geophys. Res. Lett., 37, L22202, doi:10.1029/2010GL044262.

The research reported is with regards to Mars’ atmosphere and climate, in particular, traveling large-scale weather systems, cyclogenesis and frontal wave development. The implications such weather systems have on the lifting, lofting, transport and organization of dust during earl northern spring on Mars is discussed. High-resolution global climate model simulations with a fully self-consistent dust-lifting parameterization indicate that large-scale weather systems and their associated frontal waves are able to organize dust into discrete northwest-southeast sloping filamentary “bands” reminiscent of recent spacecraft imaging do indicate. Dynamical assessments have been applied so as to understand the nature of frontal-wave development and its implications on the organization and transport of dust within the northern extratropics and subtropics, and hence on the Mars climate system.

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