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Statistical Studies of Auroral Activity and Perturbations of the Geomagnetic Field at Middle Latitudes
AbstractIn this paper, we statistically analyzed substorm activity at auroral latitudes for 2007–2020 and its relationship with magnetic disturbances...
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Auroral responses to the visit of comet 73P/Schwassmann–Wachmann 3 in 2006
The stunning tails of comets are interesting astronomical phenomena to human beings and have been noticed for thousands of years. The bright tails...
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Study of Geoelectrical Responses to Space Weather Anomalies: Auroral Latitudes, Yenisei-Khatanga Regional Trough
Abstract —The paper presents the results of analysis of the geoelectric (telluric) field variability during the Earth’s magnetic field disturbances,...
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On the Magnetic Effects Caused by the Earthquake of March 16, 2022 in Japan
AbstractThe magnetic effects of two similar underwater earthquakes with magnitudes of 6.0 and 7.3, which occurred on March 16, 2022, were considered...
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Observations of Geomagnetic Induced Currents in Northwestern Russia: Case Studies
AbstractThis paper analyzes a number of events of recorded intense geomagnetically induced currents (GICs) in transformers at stations located on the...
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Compliance of AE and Apo Indices Variations during 23−24 Solar Cycles
AbstractThe auroral electrojet index AE is often used in forecasting models as a driver of the disturbance propagation in the geosphere from the...
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Branches of Resonant Ultra-Low-Frequency Absorption in the Earth’s Magnetosphere
AbstractDoppler observations of the auroral electrojet monitored by the Norwegian STARE radar during one solar rotation preceding a strong magnetic...
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Features of Polar Substorms: An Analysis of Individual Events
AbstractPolar substorms include substorms observed at geomagnetic latitudes above 70° MLAT in the absence of simultaneous negative magnetic bays at...
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Global Development of the Supersubstorm of May 28, 2011
AbstractThe paper gives an analysis of the isolated supersubstorm observed during the main phase of the moderate magnetic storm on May 28, 2011 ( SYM /
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South American auroral reports during the Carrington storm
The importance of the investigation of magnetic superstorms is not limited to academic interest, because these superstorms can cause catastrophic...
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Monitoring of the Electron-Acceleration Region with Auroral Kilometric Radiation
AbstractA method is proposed for the study of the height–time characteristics of physical processes in the region of auroral electron acceleration....
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Analysis of Geomagnetic and Geoelectric Fields During Geomagnetic Storm Time Variation Using Wavelet Approach
AbstractGeomagnetic storms occur due to solar wind-magnetosphere couplings which are amplified by solar wind disturbances (coronal mass ejection...
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A comparison of machine-learning techniques for the prediction of the auroral electrojet index
The modern ‘machine-learning models’ are a section of artificially intelligent machines used to implement complex models, which can learn and improve...
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Physics-informed loss functions for vertical total electron content forecast
We design physics-informed loss functions for training Artificial Neural Network (ANN) models to forecast the ionospheric vertical Total Electron...
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All-Solid State Iron Resonance Lidar for Measurement of Temperature and Winds in the Upper Mesosphere and Lower Thermosphere
The Arctic atmosphere and subauroral region are a natural laboratory for understanding plasma-neutral and dynamical coupling in the atmosphere and...
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Differences in the characteristics and triggering mechanisms of two successive AL index onsets on 21st January 2005
Southward component of Interplanetary Magnetic Field (IMF) leads to the entry of energetic particles of solar origin into the magnetosphere. A part...
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Wavelet Analysis of Magnetic Distubances during Supersubstorm of September 7 and 8, 2017
AbstractIn this study, we have investigated the effect of supersubstorm of September 7 and 8, occurred during magnetic storm of September 7–8, 2017...
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Study of ionospheric responses over China during September 7–8, 2017 using GPS, Beidou (GEO), and Swarm satellite observations
The ionospheric responses over China during the geomagnetic storm on September 7–8, 2017 are investigated by using the Global Positioning System...
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Time Series Forecasting of Hourly Relativistic Electrons at Geostationary Orbit during Solar Cycles 23–24
AbstractForecasting of the dynamically relativistic electrons is crucial to alert of the flux enhancements that pose a significant threat to...
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PC Index as a Ground-Based Indicator of the Solar Wind Energy Incoming into the Magnetosphere: (2) Relation of PC Index to Magnetic Disturbances
The paper summarizes the issues related to relationships between the PC index and magnetic disturbances: threshold level of the PC index required for...
