Physics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufm.p54b..09d&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #P54B-09
Physics
[0305] Atmospheric Composition And Structure / Aerosols And Particles, [0343] Atmospheric Composition And Structure / Planetary Atmospheres, [3307] Atmospheric Processes / Boundary Layer Processes, [3346] Atmospheric Processes / Planetary Meteorology
Scientific paper
The Phoenix Lidar system was operated in 2008, beginning in Martian northern spring (L_s = 78) through mid summer (L_s = 147). During this period, nighttime observations of dust indicate both persistent background dust up to heights of approximately 15 km, and enhanced dust loading in the Boundary Layer up to heights of approximately 4 km. The magnitude of the optical extinction was observed to decrease within the Boundary Layer with time following summer solstice. This situation is similar to that observed in the Australian desert: a persistent dust layer up to heights of 6 km, with a daytime Convective Boundary Layer increasing up to heights of 4 km during local dust storm activity, and then decreasing during night. A comparative study was undertaken, with the results being augmented by both in situ measurements of the Australian desert dust, as made by over-flying aircraft, and modeled results of Aeolian dust in both environments.
Davy Richard
Dickinson Cameron S.
Junkermann Wolfgang
Komguem Leonce
Whiteway James A.
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