Impact of short-term geomagnetic activity on the variability of meteorological parameters

Impact of short-term geomagnetic activity on the variability of meteorological parameters

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DOI:

https://doi.org/10.52340/ggj.2022.756

Keywords:

Meteorological parameters, space weather prediction, geo-magnetic index, correlation analysis

Abstract

The paper deals with space weather prediction problem. The investigation of the possible effect of powerful magnetospheric storms on the evolving character of meteorological processes in the atmosphere to identify the correlation between magnetospheric disturbances and meteorological variations is presented in the paper. The investigation is preconditioned by the fact that Georgia is prone to hydrometeorological hazards, and it is essential to investigate their causing physical processes. Meteorological effects resulting from fluctuations in the solar wind are poorly represented in weather and climate models. A geomagnetic storm is a significant disturbance of Earth's magnetosphere exchanging energy from the solar wind into Earth's space environment. These storms result from solar wind variations that significantly change the currents, plasmas, and fields in Earth's magnetosphere. Geomagnetic indices measure geomagnetic activity occurring over short periods. They have been constructed to study the response of the Earth's ionosphere and magnetosphere to changes in solar activity. The correlation between geomagnetic storms and meteorological elements (temperature, precipitation, wind) has been carried out for the Georgian region using meteorological observation and NASA's Solar Dynamics Observatory and NOAA Space Weather Prediction Centre data. The results show that there exists dependence between meteorological parameters and geomagnetic disturbances.

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Published

2022-03-07

How to Cite

Marika Tatishvili, Nana Bolashvili, & Ana Palavandishvili. (2022). Impact of short-term geomagnetic activity on the variability of meteorological parameters. Georgian Geographical Journal, 1(1). https://doi.org/10.52340/ggj.2022.756

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