A preliminary investigation of the empirical relationship between small-amplitude Forbush Decreases and solar wind disturbances

FM Menteso, AE Chukwude, O Okike… - Monthly Notices of the …, 2023 - academic.oup.com
High-magnitude (amplitude) Forbush decreases (FDs) are generally employed by
researchers investigating the solar-terrestrial connection mechanisms. Although it has been …

Effect of solar wind disturbances on small-amplitude simultaneous Forbush events during solar cycle 23

CJ Ugwu, JA Alhassan, O Okike, FM Menteso… - Advances in Space …, 2024 - Elsevier
The transient and rapid reduction in galactic cosmic ray (GCR) flux intensity, commonly
referred to as Forbush decrease (FD), is widely used as a mediator variable in searching for …

Empirical implications of location-dependent cosmic ray diurnal anisotropy on small-amplitude Forbush decreases

O Okike, FM Menteso - The European Physical Journal Plus, 2024 - epjplus.epj.org
Forbush decreases (FDs) are one of the most spectacular phenomena in the time-intensity
changes of cosmic ray (CR) flux. They play a crucial role in space-weather predictions. Their …

On the variation of small-amplitude Forbush decreases with solar-geomagnetic parameters

CJ Ugwu, O Okike, FM Menteso, JA Alhassan… - Astrophysics and Space …, 2024 - Springer
Detection of weak signals remains challenging in astrophysics. This is particularly
applicable in the investigation of Forbush events. There is thus, a paucity of catalogs of small …

Analysis of ground level enhancement events of 1989 September 29; 2001 April 15 and 2005 January 20

RE Ugwoke, AA Ubachukwu, JO Urama… - … in Astronomy and …, 2022 - iopscience.iop.org
We present the results of analyses of the ground level enhancements (GLEs) of cosmic ray
(CR) events on 1989 September 29; 2001 April 15 and 2005 January 20. This involves …

Principal Component Analysis of Ground Level Enhancement of Cosmic Ray Events

RE Ugwoke, AA Ubachukwu, JO Urama… - … in Astronomy and …, 2023 - iopscience.iop.org
We applied principal component analysis (PCA) to the study of five ground level
enhancements (GLEs) of cosmic ray (CR) events. The nature of the multivariate data …

On the variation of small-amplitude Forbush decreaseswith solar-geomagnetic parameters

CJ Ugwu, O Okike, FM Menteso, JA Alhassan… - 2024 - researchsquare.com
Detection of weak signals remains challenging in astrophysics. This is particularly
applicable in the investigation of Forbush events. There is thus, a paucity of catalogs of small …