Parameters Influencing the Efficiency of Generation of Geomagnetically Induced Currents by Nonstorm Pc5-6/Pi3 Geomagnetic Pulsations
Bulletin of the Russian Academy of Sciences: Physics(2024)
摘要
A study is performed of geomagnetic pulsations with periods from unity to tens of minutes and associated geomagnetically induced currents. The relationship is considered between the efficiency of current excitation by geomagnetic pulsations and the parameters of the interplanetary magnetic field and solar wind plasma at different delays. Data from measuring the geomagnetic field and geomagnetically induced currents in the Russian North and Finland are used for analysis. It is shown that the efficiency of excitation of geomagnetically induced currents by pulsations is higher if the solar wind speed does not fall notably below 500 km s−1 for several hours.
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关键词
space weather,geomagnetically induced current,geomagnetic pulsations
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