Comparison of the Martian thermospheric density and temperature from IUVS/MAVEN data and general circulation modeling

被引:34
|
作者
Medvedev, Alexander S. [1 ,2 ]
Nakagawa, Hiromu [3 ]
Mockel, Chris [1 ]
Yigit, Erdal [1 ,4 ]
Kuroda, Takeshi [1 ,3 ]
Hartogh, Paul [1 ]
Terada, Kaori [3 ]
Terada, Naoki [3 ]
Seki, Kanako [5 ]
Schneider, Nicholas M. [6 ]
Jain, Sonal K. [6 ]
Evans, J. Scott [7 ]
Deighan, Justin I. [6 ]
McClintock, William E. [6 ]
Lo, Daniel [8 ]
Jakosky, Bruce M. [6 ]
机构
[1] Max Planck Inst Solar Syst Res, Gottingen, Germany
[2] Univ Gottingen, Inst Astrophys, D-37073 Gottingen, Germany
[3] Tohoku Univ, Dept Geophys, Sendai, Miyagi 980, Japan
[4] George Mason Univ, Dept Phys & Astron, Fairfax, VA 22030 USA
[5] Univ Tokyo, Dept Earth & Planetary Sci, Tokyo, Japan
[6] Univ Colorado, Atmospher & Space Phys Lab, Campus Box 392, Boulder, CO 80309 USA
[7] Computat Phys Inc, Springfield, VA USA
[8] Univ Arizona, Lunar & Planetary Lab, Tucson, AZ USA
关键词
GRAVITY-WAVES; UPPER-ATMOSPHERE; POLAR WARMINGS; MARS; ACCELEROMETER; VARIABILITY; TIDES;
D O I
10.1002/2016GL068388
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Newly released Imaging Ultraviolet Spectrograph/Mars Atmosphere and Volatile EvolutioN (IUVS/MAVEN) measurements of CO2 density in the Martian thermosphere have been used for comparison with the predictions of the Max Planck Institute Martian General Circulation Model (MPI-MGCM). The simulations reproduced (within one standard deviation) the available zonal mean density and derived temperature above 130 km. The MGCM replicated the observed dominant zonal wave number 3 nonmigrating tide and demonstrated that it represents a nonmoving imprint of the topography in the thermosphere. The comparison shows a great dependence of the simulated density and temperature to the prescribed solar flux, atomic oxygen abundances and gravity wave effects, with the former two being especially important in the thermosphere above 130 km and the latter playing a significant role both in the mesosphere and thermosphere.
引用
收藏
页码:3095 / 3104
页数:10
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