Investigation of the Influence of Distant Parameters on Horizontal Component of Ground Magnetic Field

Amaechi Onele Azi, Godwin Amaechi Agbo, Uche Daniel Aluge, Tamunoimi Michael Abbey and Chijioke A Egbo
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Amaechi Onele Azi: Federal Polytechnic of Oil and Gas, Nigeria
Godwin Amaechi Agbo: Ebonyi State University, Abakaliki, Nigeria
Uche Daniel Aluge: Ebonyi State University, Abakaliki, Nigeria
Tamunoimi Michael Abbey: Federal Polytechnic of Oil and Gas, Niger
Chijioke A Egbo: Federal Polytechnic of Oil and Gas, Nigeria

European Journal of Applied Physics, 2020, vol. 2, issue 4

Abstract: The influence of distant parameters on the horizontal component of magnetic field was investigated for two years within two locations in Africa. The measure of storm occurrence (Dst-index) was used to select successful storm days. The effect of distant parameters on residual field was investigated using filter analysis. This study was considered on both time domain and frequency domain. The results showed very close correspondence of rapid changes in amplitudes between residual H–component and the selected IMF parameters especially the solar wind velocity, proton density and Bz. The correlation analysis between the distant parameters and residual H–component completely revealed effective dependence of the depression of residual field on the selected parameters. The value of the correlation coefficient (r) with solar wind velocity, proton density and Bz showed significant values of the range of 0.5 and above. This is direct evidence that Solar wind velocity, proton density and Bz are more effective in causing geomagnetic fluctuations at equatorial low latitude stations.

Keywords: Keywords: geomagnetic storm; magnetosphere; residual field; IMF parameters; geomagnetism (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:epw:physic:v:2:y:2020:i:4:id:11014

DOI: 10.24018/ejphysics.2020.2.4.14

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