Mars atmospheric dynamics as simulated by the NASA AMES General Circulation Model. II - Transient baroclinic eddies

Details Mars atmospheric dynamics as simulated by the NASA AMES General Circulation Model. II - Transient baroclinic eddies Mars atmospheric dynamics as simulated by the NASA AMES General Circulation Model. II - Transient baroclinic eddies

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jgr....98.3125b&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 98, no. E2, p. 3125-3148.

Physics

68

Atmospheric General Circulation Models, Baroclinic Instability, Mars Atmosphere, Vortices, Annual Variations, Dust, Mars, Atmosphere, Dynamics, Simulations, Circulation, Eddy Diffusion, Model, Baroclinicity, Structure, Loading, Seasonal Variations, Depth, Energy, Amplitude, Topography, Stability, Dust, Experiments, Wind, Temperature, Latitude, Spectra, Comparisons, Viking Missions, Flux, Spacecraft Observations, Landers

Scientific paper

A large set of experiments performed with the NASA Ames Mars General Circulation Model is analyzed to determine the properties, structure, and dynamics of the simulated transient baroclinic eddies. There is strong transient baroclinic eddy activity in the extratropics of the Northern Hemisphere during the northern autumn, winter, and spring seasons. The eddy activity remains strong for very large dust loadings, though it shifts northward. The eastward propagating eddies are characterized by zonal wavenumbers of 1-4 and periods of about 2-10 days. The properties of the GCM baroclinic eddies in the northern extratropics are compared in detail with analogous properties inferred from Viking Lander meteorology observations.

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