Impact of Various Sources of Disturbances on the Atmospheric Electric Field and the Lower Ionosphere

V. P. Antonova, Vadim Lutsenko, Galina Gordiyenko, S. V. Kryukov

2022

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DOI 10.3390/ecas2022-12868

Data confidence 70 medium

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Abstract

The possible impact of solar activity on the atmospheric electric field, thunderstorm activity and lower ionosphere was investigated. The investigation was based on the electric field measurements and ionospheric observations at Alma-Ata (Kazakhstan). The investigation showed a decrease in the atmospheric electric field (~40 ÷ 50 V/m) under “fair” weather conditions, fluctuations under magnetic storms, and anomalous changes before and during significant and weak earthquakes. The study indicated a tendency for thunderstorm appearance with a 1–2-day delay after the impact of CME or HSS events on the Earth’s magnetosphere. Noticeable changes in the lower ionosphere during these periods were found.