Real-Time Monitoring of Cosmic Ray Anisotropy Parameters and Short-Term Forecasting of Geomagnetic Disturbances

Zverev, Anton; Grigoryev, Vladislav; Gololobov, P. Yu.; Starodubtsev, S. A.

doi:10.12737/stp-64202005

Cited by 3 publications

(1 citation statement)

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“…С 2022 г. в рамках выполнения гранта РНФ мы начали разрабатывать еще один метод прогноза геомагнитных возмущений. Он основан на измерении флуктуаций интенсивности КЛ значительно разнесенными в пространстве (более чем на 1200 км по прямой) и совершенно независимыми нейтронными мониторами в Якутске и Тикси и применении методов спектрального анализа для их выделения из фона [10].…”

Section: материалы и методы исследованияunclassified

Forecasting solar wind disturbances and geomagnetic storms from ground-based cosmic ray measurements

Zverev,

Gololobov,

Grigoryev

et al. 2024

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This work reports on the methods developed by our group at ShICRA SB RAS to forecast negative manifestations of space weather from ground-based measurements of cosmic rays. Such manifestations are registered on the Earth in the form of decreases in galactic cosmic rays known as the Forbush effects, various types of geomagnetic and ionospheric disturbances, as well as auroras. Only the latters are directly visible to the naked eye, while the rest can only be detected with the help of various instruments. These occurrences are all caused by passage through the Earth’s orbit, such as the substantial influxes of charged particles from both solar and interplanetary sources, interplanetary shock waves, ejections of solar material and high-speed solar wind streams, all of which are attributed to the level of solar flares and coronal activity. The state of near-Earth space weather is determined by their presence. To monitor this state, we use data collected from ground-based cosmic ray stations and employ multiple methods to analyse these measurements. Additionally, we incorporate data from the Dst-index of the geomagnetic field and measurements of the interplanetary environmental parameters gathered by ACE, WIND, SOHO and DSCOVR spacecraft at the L1 libration point to confirm events. This has led to the development of techniques for predicting terrestrial effects of space weather in the short-term (1-3 days). Our findings suggest that it is feasible to predict the occurrence of severe geomagnetic storms in real-time through the utilisation of solely ground-based measurements from cosmic ray stations.

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Section: материалы и методы исследованияunclassified