International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2529

Full Length Research Paper

A study of semi-annual variation of residual geomagnetic field and its association with solar and geomagnetic activity

Egba Ibeabuchi G.
  • Egba Ibeabuchi G.
  • Department of Physics and Astronomy, University of Nigeria, Nsukka, Enugu State, Nigeria.
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Kalu Florence D.
  • Kalu Florence D.
  • Department of Physics and Astronomy, University of Nigeria, Nsukka, Enugu State, Nigeria.
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Okwesili Agatha N.
  • Okwesili Agatha N.
  • Department of Physics and Astronomy, University of Nigeria, Nsukka, Enugu State, Nigeria.
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Okpala Kingsley C.
  • Okpala Kingsley C.
  • Department of Physics and Astronomy, University of Nigeria, Nsukka, Enugu State, Nigeria.
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  •  Received: 26 July 2017
  •  Accepted: 22 September 2017
  •  Published: 30 October 2017

References

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Dodson HW, Hedeman ER (1975). Comments on the course of solar activity during the declining phase of solar cycle 20 (1970-74). Sol. Phy. 42(1):121-130.
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Fares Saba MM, Gonzalez WD, Gonzalez AI (1997). Relationship between the AE, Ap and Dst indices near solar minimum (1974) and at solar maximum (1979). Ann. Geophys. 15:1265-1270.
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Forbush SE, Beach L (1967). The absolute geomagnetic field of the equatorial ring current. Carnegie Institution Yearbook 65:28-36.

 
 

Mendes O, Domingues MO, Da-costa C, De-Gonzalez ALC (2005). Wavelet Analysis Applied to magnetograms: Singularity detections related to geomagnetic storms. J. Atmos. Sol. Terrest. Phys. 67(17):1827-1836.
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Wardinski I, Mandea M (2006). Annual and semi-annual variations of the geomagnetic field components analysed by the multi-taper method. Earth Planets Space 58:785-791.
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Xu D, Chen H, Gao M (2015). Observed geomagnetic induction effect on Dst-related magnetic observations under different disturbance intensities of the magnetospheric ring current. Earth Planets Space. 67:15.
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Xu Z, Zhu L, Sojka J (2009). Wavelet cross-spectrum analysis of the ring current using magnetic records from multiple low latitude stations. J. Geophys. Res. 114:A5.
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