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

Comparison of the Martian thermospheric density and temperature from IUVS/MAVEN data and general circulation modeling
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IUVS/MAVEN 数据与大气环流模型中火星热层密度和温度的比较

DOI:
10.1002/2016gl068388
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发表时间:
--
影响因子:
5.2
通讯作者:
B. M. Jakosky
B. M. Jakosky
中科院分区:
地球科学1区
文献类型:
--
作者:
Medvedev;H. Nakagawa;C. Mockel;E. Yiğit;T. Kuroda;P. Hartogh;K. Terada;N. Terada;K. Seki;N. M. Schneider;S. K. Jain;J. S. Evans;J. I. DeighanW. E. McClintock;B. M. Jakosky

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最新发布的成像紫外线光谱仪/火星大气和挥发分演化(IUVS/MAVEN)测量了火星热层中的二氧化碳密度,并与马克斯·普朗克研究所火星大气环流模型(MPI-MGCM)的预测进行了比较。这些模拟(在一个标准差内)再现了130公里以上的可用的纬向平均密度和导出的温度。MGCM重现了观测到的优势纬向波数为3的非迁移潮汐,并证明它代表了热层地形的一个静止印记。比较表明,模拟的密度和温度与规定的太阳通量、原子氧丰度和重力波效应有很大的相关性,前两者在130公里以上的热层尤为重要,而后者在中间层和热层都起着重要作用。
Newly released Imaging Ultraviolet Spectrograph/Mars Atmosphere and Volatile EvolutioN (IUVS/MAVEN) measurements of CO2density 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.
DOI: 10.1002/2013ja019283
发表时间: 2014
期刊: Journal of Geophysical Research: Space Physics
影响因子: --
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