Variations of geomagnetic H, D, and Z field intensities on quiet days at west african latitudes
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OBIEKEZIE, T., OKEKE, F.. Variations of geomagnetic H, D, and Z field intensities on quiet days at west african latitudes. In: Moldavian Journal of the Physical Sciences, 2009, nr. 3-4(8), pp. 366-372. ISSN 1810-648X.
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Moldavian Journal of the Physical Sciences
Numărul 3-4(8) / 2009 / ISSN 1810-648X /ISSNe 2537-6365

Variations of geomagnetic H, D, and Z field intensities on quiet days at west african latitudes


Pag. 366-372

Obiekezie T.1, Okeke F.2
 
1 Department of Physics and Industrial Physics, Nnamdi Azikiwe University,
2 Department of Physics and Astronomy University of Nigeria Nsukka
 
 
Disponibil în IBN: 19 noiembrie 2013


Rezumat

In the framework of the French participation to the International Equatorial Electrojet Year (IEEY), a network of ten electro-magnetic stations was installed at African latitudes. These stations measured digitally the three components of the magnetic field and the two components of the telluric electric field, and operated over a period of 20 months. The magnetic data are used to study the variations of geomagnetic H, D, and Z field intensities on quiet days. Night-time variations in all the three geomagnetic elements were observed, which suggests there is a night-time current in the West African dip equatorial latitudes. The pattern of variations observed in H element, which peaks around noon, is seen to be due to the equatorial electrojet current. A reverse current called the counter electrojet current was noticed on some days.

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<dc:creator>Obiekezie, T.N.</dc:creator>
<dc:creator>Okeke, F.N.</dc:creator>
<dc:date>2009-09-05</dc:date>
<dc:description xml:lang='en'>In the framework of the French participation to the International Equatorial Electrojet 

Year (IEEY), a network of ten electro-magnetic  stations was installed at African latitudes. 
These stations measured digitally the three components of the magnetic field and the two components of the telluric electric field, and operated over a period of 20 months. The magnetic 
data are used to study the variations of geomagnetic H, D, and Z field intensities on quiet days. 
Night-time variations in all the three geomagnetic elements were observed, which suggests 
there is a night-time current in the West African dip equatorial latitudes. The pattern of variations observed in H element, which peaks around noon, is seen to be due to the equatorial electrojet current. A reverse current called the counter electrojet current was noticed on some days. </dc:description>
<dc:source>Moldavian Journal of the Physical Sciences 8 (3-4) 366-372</dc:source>
<dc:title>Variations of geomagnetic H, D, and Z field intensities on quiet days at west african latitudes</dc:title>
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