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首页> 外文期刊>Journal of Geophysical Research. Biogeosciences >Latitudinal and longitudinal behavior of the mesospheric OH nightglow layer as observed by the Improved Stratospheric and Mesospheric Sounder on UARS
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Latitudinal and longitudinal behavior of the mesospheric OH nightglow layer as observed by the Improved Stratospheric and Mesospheric Sounder on UARS

机译：UARS改进的平流层和中层测深仪观测到的中层OH夜辉层的横向和纵向行为

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摘要

The mesospheric nightglow from the hydroxyl (OH) radical has been characterized using measurements taken by the Improved Stratospheric and Mesospheric Sounder (ISAMS) instrument on the UARS satellite. In this paper, the variations with latitude of the emission integrated vertically over the OH layer, for both solstice and equinox conditions, are analyzed and compared to other measurements and with model predictions. A semiannual variation with a minimum at solstice is found at low latitudes. An annual variation is found at high latitudes with a springtime minimum, which appears earlier than predicted by the models. Zonal maps of the OH emission show longitudinal structures with a timescale of days that suggest the effect of planetary waves on the emission process. [References: 10]
机译：使用UARS卫星上改进的平流层和中层测深仪（ISAMS）进行的测量，对羟基（OH）自由基产生的中层夜光进行了表征。在本文中，分析了冬至和春分条件下在OH层上垂直积分的发射纬度的变化，并将其与其他测量值和模型预测进行了比较。在低纬度地区，夏至半年度变化最小。在高纬度地区发现了年度变化，而春季的最小值则比模型预测的要早。 OH排放的区域图显示了几天的时间尺度的纵向结构，表明行星波对排放过程的影响。 [参考：10]

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