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Dynamics of the level of total electron content disturbance at high and middle latitudes according to GPS data

机译：GPS数据在高中纬度总电子含量扰动水平的动态

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We study the level of total electron content (TEC) disturbance in ionospheric mid-latitude and high-latitude regions, which occurred during 2013. TEC behavior is calculated using data from two GPS stations: MOND (Mondy) and NRIL (Norilsk). TEC variations are estimated from dual-frequency phase measurements for all radio signal paths. We analyze the TEC variations in two time ranges: 10 and 40 min. These ranges correspond to medium- and large-scale ionospheric disturbances respectively. The TEC disturbance level is characterized using a special index WTEC. It allows us to receive multi-day continuous series of average TEC variation intensity. We reveal that at high latitudes WTEC variations correlate well with AE ones. The correlation between WTEC and Dst variations is much lower. The minimum level of TEC disturbance is independent of the season in the Arctic region; diurnal WTEC variations are more pronounced for medium-scale ionospheric disturbances than for large-scale ones. At mid-latitudes, the WTEC variation concurs with Dst and Kp variations only during strong magnetic storms. The minimum level of TEC disturbance is higher in summer than in winter. At middle latitudes, the sunset terminator generates gravity waves. In the Arctic region, terminator-induced waves are not observed.
机译：我们研究了电离层中纬度和高纬度地区在2013年期间发生的总电子含量（TEC）扰动水平。TEC行为是使用来自两个GPS站点（MOND（蒙迪）和NRIL（诺里尔斯克））的数据计算的。根据所有无线电信号路径的双频相位测量值估计TEC的变化。我们在两个时间范围内分析TEC的变化：10分钟和40分钟。这些范围分别对应于中型和大型电离层扰动。 TEC干扰级别使用特殊索引WTEC进行表征。它使我们可以接收多日连续的平均TEC变化强度序列。我们发现，在高纬度地区，WTEC的变化与AE的相关性很好。 WTEC和Dst变化之间的相关性要低得多。 TEC干扰的最低水平与北极地区的季节无关。相对于大规模电离层扰动，中尺度电离层扰动的昼夜WTEC变化更为明显。在中纬度，仅在强磁暴期间，WTEC变化与Dst和Kp变化一致。夏季的TEC最低干扰水平高于冬季。在中纬度，日落终止器会产生重力波。在北极地区，没有观察到终结者诱发的波。

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