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首页> 外文期刊>Atmospheric chemistry and physics >Statistical climatology of mid-latitude mesospheric summer echoes characterised by OSWIN (Ostsee-Wind) radar observations
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Statistical climatology of mid-latitude mesospheric summer echoes characterised by OSWIN (Ostsee-Wind) radar observations

机译：中纬度态度夏季回声的统计气候学特征在于奥维林（Ostsee-Lik）雷达观测

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摘要

Mid-latitude mesospheric summer echoes (MSEs) appear in radar observations during summer months.The geophysical factors controlling the formation of MSEs include solar and energetic particle ionisation, neutral temperature, turbulence, and meridional transport.A total of 12 years of summer months observations with the OSWIN (Ostsee-Wind) radar in Kühlungsborn, Germany, have been analysed to detect MSE events and to analyse statistical connections to these controlling factors.A more sensitive and consistent method for deriving signal-to-noise ratio has been utilised.Daily and monthly composite analysis demonstrates strong daytime preference and early summer seasonal preference for MSEs.The statistical results are not entirely conclusive due to the low-occurrence rates of MSEs.Nevertheless, it is demonstrated that the meridional transport from colder highlatitude summer mesosphere is the important controlling factor, while no clear connection to geomagnetic and solar activity is found.
机译：夏季期间，中纬度伴游夏季回声（MSES）出现在雷达观测中。控制MSES形成的地球物理因素包括太阳能和能量粒子电离，中性温度，湍流和经络。总共12岁的夏季观察 已经分析了德国Kühlungsborn的奥维林（Ostsee-Lik）雷达，以检测MSE事件，并分析与这些控制因子的统计连接。用于推导信噪比的更敏感和一致的方法.Aily 月份综合分析表明，对MSES的初夏季节偏好和初夏季节偏好。由于MSES的低发生率，统计结果并不完全得出决定性。因此，表明来自寒冷高智能夏季腰圈的经络运输是重要的 控制因素，虽然未发现与地磁和太阳能活动的明确连接。

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