Geodesic
Analysis of geomagnetic field variations based on the results of the > interactive system
Vestnik KRAUNC. Fiziko-matematičeskie nauki, Tome 49 (2024) no. 4, pp. 112-124 Cet article a éte moissonné depuis la source Math-Net.Ru

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This paper describes the geomagnetic component of the Aurora system, which assesses the state of the Earth's magnetic field using data from the Paratunka (Kamchatka Krai, 52.97$^\circ$ N, 158.24$^\circ$ E) and Khabarovsk (47.61$^\circ$ N, 134.69$^\circ$ E) stations. The data were obtained by direct measurements at magnetic observatories. The geomagnetic component of the Aurora system was developed at IKIR FEB RAS. The functions of this component are based on new approaches and methods developed by the team of scientists of the System Analysis Laboratory. The developed methods are based on the synthesis of elements of wavelet transform theory with methods of probability theory and mathematical statistics. The system provides a comprehensive assessment of the state of the Earth's magnetic field in disturbed and calm periods and enables the study of spatial and temporal features and dynamics of processes in the Earth's magnetosphere. The conclusion about the state of the magnetic field is formed in the operational mode. The analysis of the system operation during the periods of the events considered in the article confirmed the possibility of weak short-period synchronous geomagnetic disturbances preceding the onset of magnetic storms. The geomagnetic component considered in the article complements the complex analysis of geophysical monitoring data in the system. The results of the geomagnetic component of the Aurora system can be used as an additional tool in the tasks of operational space weather forecasting.
Keywords: geomagnetic field, data analysis, wavelets, magnetic storms. 
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Yu. A. Polozov; O. V. Mandrikova. Analysis of geomagnetic field variations based on the results of the <> interactive system. Vestnik KRAUNC. Fiziko-matematičeskie nauki, Tome 49 (2024) no. 4, pp. 112-124. http://geodesic.mathdoc.fr/item/VKAM_2024_49_4_a7/

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