This work investigates the relationship between cosmic ray intensity (CRI) and key interplanetary and geomagnetic parameters during both disturbed (November 1–6, 2021) and quiet (November 7–12, 2021) periods. Four neutron monitor stations, namely BKSN, DOMC, JUNG, and MXCO, are employed to analyze the behavior of CRI in response to variations in southward interplanetary magnetic field (IMF Bz), interplanetary electric field (IEF Ey), solar wind speed (Vsw), and geomagnetic indices, including Kp and Dst. During the storm period, time series plots reveal significant Forbush Decreases (FD) in CRI at all stations. These FDs exhibit distinct characteristics, with the most substantial reduction observed at high-latitude stations and the least at low-latitude stations. Notably, the Mexico station, situated in the low-latitude region, records higher neutron counts for both disturbed and quiet periods compared to the middle (BKSN and JUNG) and high-latitude (DOMC) stations. Cross-correlation analysis is employed to examine the relationships between CRI and the aforementioned parameters. Results indicate that during the geomagnetically disturbed period, CRI exhibits negative correlations with IMF Bz, Vsw, and Kp index, while demonstrating positive correlations with Dst and IEF Ey. The strongest correlation is observed between CRI and Dst, suggesting that it can affect variations in cosmic rays measured on Earth, during the geomagnetic storms. In contrast, during the quiet period, significantly weaker correlation was observed than the disturbed period. However, at the JUNG station, CRI displays good correlations with all considered parameters even during the quiet period. The station-specific correlations signifies the importance of geographic location in shaping the response of CRI to external influences.


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    Titel :

    Cross-Correlation Analysis of Cosmic Ray Intensity with Interplanetary and Geomagnetic Parameters during Disturbed and Quiet Periods


    Weitere Titelangaben:

    Cosmic Res


    Beteiligte:

    Erschienen in:

    Cosmic Research ; 62 , 1 ; 34-41


    Erscheinungsdatum :

    01.02.2024


    Format / Umfang :

    8 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






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