Analysis of data on cosmic ray variations during periods of interplanetary disturbances and geomagnetic storms
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Abstract
The paper presents the results of the method developed by the authors for analyzing data on cosmic ray variations during interplanetary disturbances and geomagnetic storms. The method was tested on the data from neutron monitors at high-latitude and polar stations. Numerical implementation of the method allows obtaining the result of the cosmic ray flux state assessment as the neutron monitor data enter the processing system. The efficiency of the method was confirmed based on statistical modeling performed using both natural and model data. The results showed that at the rate of data recording in the processing system (Δt = 1 sec), application of the developed method allows us to detect anomalous changes, which precede and accompany magnetospheric disturbances of varying intensity, in the cosmic ray flux.
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