Computer Science – Sound
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufm.p54b..06m&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #P54B-06
Computer Science
Sound
[5405] Planetary Sciences: Solid Surface Planets / Atmospheres, [5464] Planetary Sciences: Solid Surface Planets / Remote Sensing
Scientific paper
We will present the results of preliminary retrievals of water vapor from Mars Global Surveyor Thermal Emission Spectrometer (TES) limb soundings. TES nadir soundings have previously been used to produce a comprehensive data set of water vapor column abundance [Smith et al., 2002, JGR 107]. The nadir soundings, however, required an assumed vertical distribution (uniform up to a temperature based condensation level), and were limited to regions and times where the surface temperatures were warm. The limb soundings allow us to constrain the vertical distribution of water vapor, and to perform the measurement at night. As a result, we will be able estimate (using the existing TES temperature data set [Smith et al., 2001, JGR 106]) rather than assume the water vapor saturation ratio, and we will be able to observe any diurnal variations. Furthermore, since we have previously derived the vertical distribution of dust and water ice aerosols from the TES data [McConnochie and Smith, 2008, 3rd International Workshop on The Mars Atmosphere], we will be able to observe the relationship between the water saturation ratio, condensate clouds, and potential condensation nuclei in the form of silicate dust.
McConnochie Timothy H.
Smith Masson D.
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