Mathematics – Logic
Scientific paper
Jun 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979jgr....84.2929p&link_type=abstract
Journal of Geophysical Research, vol. 84, June 10, 1979, p. 2929-2945.
Mathematics
Logic
116
Dust Storms, Mars Atmosphere, Planetary Meteorology, Atmospheric Temperature, Diurnal Variations, Erosion, Optical Thickness, Sky Brightness, Viking Mars Program, Wind Effects, Viking 1 Lander, Viking 2 Lander, Mars, Seasons, Dust Storms, Optical Properties, Annual Variations, Radiation, Dust, Mariner, Thermal Properties, Water, Wavelengths, Atmosphere, Diurnal Variations, Models, Wind, Polar Regions, Particles, Sedimentation
Scientific paper
Direct measurements of the optical depth above the two Viking landers are presented for a period covering the summer, fall, and winter seasons in the Northern Hemisphere, a time period during which two global dust storms occurred. The data are used to define the properties of suspended dust particles in the Martian atmosphere and to assess their role in a number of meteorological and geological processes. Major conclusions are that (1) both the radiative effects of dust particles and the thermodynamical effects of large-scale atmospheric motions have a significant impact on the vertical temperature structure; (2) Pertinent feedback effects play an important part in the generation of some local dust storms, in the expansion of local dust storms to global proportions, and in the subsequent decay of global dust storms; (3) An important mechanism for the removal of dust particles from the atmosphere is the CO2 condensation-sedimentation process; and (4) that the polar laminae are constructed from atmospheric dust and water ice is hypothesized.
Carlston C. E.
Colburn David S.
Flasar Michael F.
Kahn Ralph
Pidek D. G.
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