Investigating the Link between Space-Weather Parameters and Forbush Decrease

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Published: Dec 7, 2024
DOI: https://doi.org/10.62292/njp.v33i3.2024.294
Keywords:
Cosmic rays, Galactic cosmic rays, Forbush Decrease, Interplanetary magnetic field, Solar wind speed

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Ogochukwu C. Nwuzor
Department of Industrial Physics, David Umahi Federal University of Health Science, Uburu
https://orcid.org/0000-0001-6978-8455
Ogbonnaya Okike
Ebonyi State University Abakaliki
https://orcid.org/0000-0002-4886-0793
P. A. Okpara
A. O. Chikwendu
A. K. Ekweh
P. I. Akande

Abstract

The link between space-weather parameters and Forbush decrease has been investigated. The aim was to determine the relationship between space-weather parameters and forbush decrease. Daily cosmic ray counts from MGDN station for 2010-2015 were used to achieve this aim. Solar wind speed (SWS) and interplanetary magnetic field (IMF) intensity were equally used as space-weather parameters. The semi-automated method of FD detection was deployed. This method generated 1104 FDs for the MGDN station within the years under study. A correlation and regression between FDs and space-weather parameters (SWS and IMF) were further tested. The results of the correlation and regression are statistically significant. The implications of the present space-weather data on FDs are highlighted.

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How to Cite
Nwuzor, O. C., Okike, O., Okpara, P. A., Chikwendu, A. O., Ekweh, A. K., & Akande, P. I. (2024). Investigating the Link between Space-Weather Parameters and Forbush Decrease. Nigerian Journal of Physics, 33(3), 92–99. https://doi.org/10.62292/njp.v33i3.2024.294
Issue
Vol. 33 No. 3 (2024): Nigerian Journal of Physics - Vol. 33 No. 3
Section
Articles

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