Mars mesospheric zonal wind around northern spring equinox from infrared heterodyne observations of CO2

Mars mesospheric zonal wind around northern spring equinox from infrared heterodyne observations of CO2
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来自 CO2 红外外差观测的火星中层北春分点周围的纬向风

DOI:
10.1016/j.icarus.2011.11.009
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发表时间:
2012
期刊:
影响因子:
3.2
通讯作者:
Stupar
Stupar
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Sonnabend;Sornig;Krötz;Stupar

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我们在火星年27和29期间直接观测了火星北春分(LS=336°,LS=355°,LS=42°)前后的纬向风速。2005年至2008年,利用美国亚利桑那州基特峰国家太阳天文台麦克马斯-皮尔斯望远镜和美国宇航局夏威夷莫纳克亚山红外望远镜设施上的科隆可调谐外差红外光谱仪(THIS),在959.3917cm - 1(10.4232μm)和957.8005cm - 1(10.4405μm)处的co2特征红外外差光谱获得数据。在火星白天的一面以前所未有的空间分辨率测量了风,允许在火星表面上多达9个独立纬度的采样。反演风速受纬度和季节的影响较大,在180m/s和- 94m/s之间。将观测结果与火星气候数据库的预测值进行了比较,得出了模型与观测的合理吻合。
We present direct observations of Mars zonal wind velocities around northern spring equinox (LS=336°, LS=355°, LS=42°) during martian year 27 and 29. Data was acquired by means of infrared heterodyne spectroscopy of CO2features at 959.3917cm−1(10.4232μm) and 957.8005cm−1(10.4405μm) using the Cologne Tuneable Heterodyne Infrared Spectrometer (THIS) at the McMath–Pierce telescope of the National Solar Observatory on Kitt Peak in Arizona and the NASA Infrared Telescope Facility on Mauna Kea, Hawaii between 2005 and 2008. Winds were measured on the dayside of Mars with an unprecedented spatial resolution allowing sampling of up to nine independent latitudes over the martian disk. Retrieved wind velocities depend strongly on latitude and season with values ranging from 180m/s prograde to −94m/s retrograde. A comparison of the observational results to predicted values from the Mars Climate Database yield a reasonable agreement between modeling and observation.
利用 CO2 红外外差光谱绘制火星中层纬向风的高空间分辨率绘图
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