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首页> 外文期刊>Solar-Terrestrial Physics >Comparative statistical analysis of neutral wind in mid-latitude mesosphere / lower thermosphere based on meteor radar and Fabry — Perot interferometer data
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Comparative statistical analysis of neutral wind in mid-latitude mesosphere / lower thermosphere based on meteor radar and Fabry — Perot interferometer data

机译：基于流星雷达和Fabry-Perot干涉仪数据的中纬度中层/下层热层中性风的比较统计分析

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Studies of the upper atmosphere wind are very important both for understanding the mechanism of transformation of exposure energy into heating, movement and chemical activity of the atmosphere, and similar processes of energy transfer from lower to upper atmospheric layers. Instruments and methods for studying the wind velocity and its variations at different height levels usually complement each other in such studies. We perform a comparative analysis of information about the neutral horizontal wind over Eastern Siberia in the winter-spring period obtained by different methods. We observe some features appearing at different heights during geomagnetic storms and sudden stratospheric warming events. We propose a method for comparative statistical analysis of the neutral wind registered at different sites and show its validity. Using this method, we make a quantitative comparison of winds measured over Eastern Siberia in the winter-spring period. The wind measured by the meteor radar and Fabry-Perot interferometer at 90 km has similar direction and absolute velocity. The wind measured by the Fabry—Perot interferometer at 100 km differs from that estimated by the meteor radar only in direction. The wind measured by the Fabry—Perot interferometer at 250 km has a velocity 2.5 times faster and a direction differing by 30–40° from the wind obtained by the meteor radar.
机译：对高层大气风的研究对于理解暴露能量转化为热量，大气的运动和化学活性的机理以及从较低大气层到较高大气层的类似能量转移过程都非常重要。在这种研究中，用于研究风速及其在不同高度的变化的仪器和方法通常是相辅相成的。我们对通过不同方法获得的冬春季的西伯利亚东部中性水平风信息进行了比较分析。我们观察到在地磁风暴和平流层突然变暖事件期间出现在不同高度的一些特征。我们提出了一种比较统计分析方法，以对不同地点的中风进行统计分析，并证明其有效性。使用这种方法，我们对冬春时期西伯利亚东部地区测得的风进行了定量比较。流星雷达和法布里-珀罗干涉仪在90 km处测得的风具有相似的方向和绝对速度。法布里-珀罗干涉仪在100 km处测得的风与流星雷达估计的风仅在方向上有所不同。法布里-珀罗干涉仪在250 km处测得的风的速度快2.5倍，其方向与流星雷达获得的风相差30–40°。

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