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

Author

Listed:
  • 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)

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.

Suggested Citation

Handle: RePEc:epw:physic:v:2:y:2020:i:4:id:11014
DOI: 10.24018/ejphysics.2020.2.4.14
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