Observations of Martian surface winds at the Viking Lander 1 site

Details Observations of Martian surface winds at the Viking Lander 1 site Observations of Martian surface winds at the Viking Lander 1 site

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jgr....9514555m&link_type=abstract

(American Geophysical Union and Geological Society of America, International Conference on Mars, 4th, Tucson, AZ, Jan. 10-13, 19

Mathematics

Logic

24

Atmospheric Temperature, Carbon Monoxide, Mars Atmosphere, Microwave Spectra, Annual Variations, Radiative Transfer, Temperature Distribution, Viking Spacecraft

Scientific paper

Martian surface winds at the Viking Lander 1 have been reconstructed using signals from partially failed wind instrumentation. Winds during early summer were controlled by regional topography, and then underwent a transition to a regime controlled by the Hadley circulation. Diurnal wind oscillations were controlled primarily by regional topography and boundary layer forcing, although a global mode may have been influencing them during two brief episodes. Semidiurnal wind oscillations were controlled by the westward-propagating semidiurnal tide from sol 210 onward. Comparison of the synoptic variations at the two sites suggests that the same eastward propagating wave trains were present at both sites.

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