A method to estimate the neutral atmospheric density near the ionospheric main peak of Mars
A method to estimate the neutral atmospheric density near the ionospheric main peak of Mars
复制标题
火星电离层主峰附近中性大气密度估算方法
DOI:
10.1002/2015ja022304
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发表时间:
2016-04
影响因子:
2.8
通讯作者:
Wang Xiao Dong
中科院分区:
文献类型:
--
作者:
Zou Hong;Ye Yu Guang;Wang Jin Song;Nielsen Erling;Cui Jun;Wang Xiao Dong
A method to estimate the neutral atmospheric density near the ionospheric main peak of Mars is introduced in this study. The neutral densities at 130 km can be derived from the ionospheric and atmospheric measurements of the Radio Science experiment on board Mars Global Surveyor (MGS). The derived neutral densities cover a large longitude range in northern high latitudes from summer to late autumn during 3 Martian years, which fills the gap of the previous observations for the upper atmosphere of Mars. The simulations of the Laboratoire de Météorologie Dynamique Mars global circulation model can be corrected with a simple linear equation to fit the neutral densities derived from the first MGS/RS (Radio Science) data sets (EDS1). The corrected simulations with the same correction parameters as for EDS1 match the derived neutral densities from two other MGS/RS data sets (EDS2 and EDS3) very well. The derived neutral density from EDS3 shows a dust storm effect, which is in accord with the Mars Express (MEX) Spectroscopy for Investigation of Characteristics of the Atmosphere of Mars measurement. The neutral density derived from the MGS/RS measurements can be used to validate the Martian atmospheric models. The method presented in this study can be applied to other radio occultation measurements, such as the result of the Radio Science experiment on board MEX.
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影响因子:
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作者:
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DALGARNO, A