First Atmospheric Science Results from the Mars Exploration Rovers Mini-TES

Author:

Smith Michael D.12345,Wolff Michael J.12345,Lemmon Mark T.12345,Spanovich Nicole12345,Banfield Don12345,Budney Charles J.12345,Clancy R. Todd12345,Ghosh Amitabha12345,Landis Geoffrey A.12345,Smith Peter12345,Whitney Barbara12345,Christensen Philip R.12345,Squyres Steven W.12345

Affiliation:

1. NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.

2. Space Science Institute, Boulder, CO 80301, USA.

3. Texas A&M University, College Station, TX 77843, USA.

4. University of Arizona, Tucson, AZ 85721, USA.

5. Cornell University, Ithaca, NY 14853, USA.

Abstract

Thermal infrared spectra of the martian atmosphere taken by the Miniature Thermal Emission Spectrometer (Mini-TES) were used to determine the atmospheric temperatures in the planetary boundary layer and the column-integrated optical depth of aerosols. Mini-TES observations show the diurnal variation of the martian boundary layer thermal structure, including a near-surface superadiabatic layer during the afternoon and an inversion layer at night. Upward-looking Mini-TES observations show warm and cool parcels of air moving through the Mini-TES field of view on a time scale of 30 seconds. The retrieved dust optical depth shows a downward trend at both sites.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference17 articles.

1. Meteorological results from the surface of Mars: Viking 1 and 2

2. The Mars Pathfinder Atmospheric Structure Investigation/Meteorology (ASI/MET) Experiment

3. A martian solar day has a mean period of 24 hours 39 min 35.244 s and is referred to as a sol to distinguish this from a roughly 3% shorter solar day on Earth.

4. L s denotes the areocentric longitude of the Sun a measure of season on Mars. L s values of 0° 90° 180° and 270° correspond to the Northern Hemisphere spring equinox summer solstice autumn equinox and winter solstice respectively.

5. P. R. Christensen et al. J. Geophys. Res. 108 8064 (2003); http://dx.doi.org/10.1029/2003JE002117.

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