在北半球高纬度用电离层探测仪的纵向链反演的电离层中的行星波状振荡
Planetary wave-like oscillations in the ionosphere retrieved with a longitudinal chain of ionosondes at high northern latitudes
摘要：
本文研究了中性动力学对高纬电离层的影响。利用北半球高纬度地区的电离层探测仪纵向链（$52\,^{\circ}{\rm}$ - $65\,^{\circ}{\rm}$ N），观测到电离层峰值电子密度空间结构中的行星波状结构。纵向波数S $_{0}$、S $_{1}$和S $_{2}$已从F层的这些变化中提取出来。观测到的波数1和2的波活动与磁活动指数没有任何显着的相关性，这表明这不是主要的驱动因素。此外，运动的S $_{1}$电离层波结构平行的S $_{1}$行星波的风中观测到的中间层低热层来自一个纵向阵列的SuperDARN气象雷达风测量。波结构运动之间的时间延迟将表明间接耦合，与中间层原子氧扰动向电离层的扩散相称。
英文摘要：
This paper examines the influence of neutral dynamics on the high latitude ionosphere. Using a longitudinal chain of ionosondes at high northern latitudes ($52\,^{\circ}{\rm}$-$65\,^{\circ}{\rm}$N), planetary wave-like structures were observed in the spatial structure of the peak electron density in the ionosphere. Longitudinal wavenumbers S$_{0}$, S$_{1}$ and S$_{2}$ have been extracted from these variations of the F layer. The observed wave activity in wavenumber one and two does not show any significant correlation with indices of magnetic activity, suggesting that this is not the primary driver. In addition, the motion of the S$_{1}$ ionospheric wave structures parallels that of the S$_{1}$ planetary waves observed in the winds of the mesosphere-lower-thermosphere derived from a longitudinal array of SuperDARN meteor-radar wind measurements. The time delay between the motions of the wave structures would indicate a indirect coupling, commensurate with the diffusion to the ionosphere of mesospheric atomic oxygen perturbations.
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