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Effect of geomagnetic storms on l-band scintillation over Ilorin, Nigeria by O.A. Oladipo; A.O. Olawepo; J.O. Adeniyi; I.A. Adimula; A.A. Willoughby; P.H. Doherty is a scholarly article available to read on EtoBox.

What is Effect of geomagnetic storms on l-band scintillation over Ilorin, Nigeria about?

A study on the effects of geomagnetic storms on l-band scintillation at Ilorin (latitude = 8.48 °N, longitude = 4.67 °E, Geomagnetic Latitude = 1.89 °S) is presented using newly available data. Three storms with minimum Dst < - 100 n T (i.e. the storm of April 24, 2012, the St. Patrick’s day storm of March 17, 2015 and the storm of October 13, 2016) were selected for the study based on the availability of data and the season of frequent occurrence of scintillation at Ilorin. The indices used are the ring current index ( Dst ), the auroral electroject activity index (AE), the horizontal component of the Interplanetary Magnetic Field ( IMFB Z ) and the ratio of the atomic to molecular neutral species. Results showed that the main phase of the April 24, 2012 caused little enhancement in scintillation during the pre-midnight period while scintillation was suppressed during the post-midnight period. However, scintillation was inhibited on the night of the main phase of the storm of March 17, 2015 and slightly inhibited on the night of the main phase of the storm of October 13, 2016. During the recovery phase, little enhancement was observed for the storm of October 13, 2016 while scinti

Author

O.A. Oladipo; A.O. Olawepo; J.O. Adeniyi; I.A. Adimula; A.A. Willoughby; P.H. Doherty

Publisher

Elsevier BV

Published

2023

Language

EN