Thermal tides in the Martian middle atmosphere as seen by the Mars Climate Sounder

被引:96
|
作者
Lee, C. [1 ]
Lawson, W. G. [1 ]
Richardson, M. I. [1 ]
Heavens, N. G. [1 ]
Kleinboehl, A. [2 ]
Banfield, D. [3 ]
McCleese, D. J. [2 ]
Zurek, R. [2 ]
Kass, D. [2 ]
Schofield, J. T. [2 ]
Leovy, C. B. [4 ]
Taylor, F. W. [5 ]
Toigo, A. D. [3 ]
机构
[1] CALTECH, Div Geol & Planetary Sci, Pasadena, CA 91125 USA
[2] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
[3] Cornell Univ, Dept Astron, Ithaca, NY 14853 USA
[4] Univ Washington, Dept Atmospher Sci, Seattle, WA 98195 USA
[5] Univ Oxford, Dept Phys, Oxford OX1 3PU, England
关键词
ASYNOPTIC SATELLITE-OBSERVATIONS; GENERAL-CIRCULATION MODEL; TES NADIR DATA; EMISSION SPECTROMETER; SAMPLING THEORY; OPTICAL DEPTH; DUST STORMS; WAVES; OSCILLATIONS; SIMULATION;
D O I
10.1029/2008JE003285
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
The first systematic observations of the middle atmosphere of Mars (35-80km) with the Mars Climate Sounder (MCS) show dramatic patterns of diurnal thermal variation, evident in retrievals of temperature and water ice opacity. At the time of writing, the data set of MCS limb retrievals is sufficient for spectral analysis within a limited range of latitudes and seasons. This analysis shows that these thermal variations are almost exclusively associated with a diurnal thermal tide. Using a Martian general circulation model to extend our analysis, we show that the diurnal thermal tide dominates these patterns for all latitudes and all seasons.
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页数:16
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