Improving and testing the empirical equatorial electrojet model with CHAMP satellite data [PDF]
Annales Geophysicae, 2004 The longitudinal variation of the Equatorial Electrojet (EEJ) intensity has been revised including data from the equatorial station of Baclieu (Vietnam), where an unexpected enhancement of the EEJ magnetic effects is observed.
V. Doumouya, Y. Cohen
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Counter electrojet features in the Brazilian sector: simultaneous observation by radar, digital sounder and magnetometers [PDF]
Annales Geophysicae, 2009 In the present work we show new results regarding equatorial counter electrojet (CEJ) events in the Brazilian sector, based on the RESCO radar, two set of fluxgate magnetometer systems and a digital sounder.
C. M. Denardini +7 more
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Evidence and effects of a wave-driven nonlinear current in the equatorial electrojet [PDF]
Annales Geophysicae, 1997 Ionospheric two-stream waves and gradient-drift waves nonlinearly drive a large-scale (D.C.) current in the E-region ionosphere. This current flows parallel to, and with a comparable magnitude to, the fundamental Pedersen current.
M. Oppenheim
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On Ps6 and longer period geomagnetic pulsations in the Indian equatorial region [PDF]
Annales Geophysicae, 1994 Adopting an appropriate procedure suitable for processing the amplitude-time records based on the two-component spectral analysis technique, the statistical information on Ps6 and other longer periods are worked out on the geomagnetic field ...
D. R. K. Rao, R. L. Asinkar
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Characterizations of the diurnal shapes of OI 630.0 nm dayglow intensity variations: inferences [PDF]
Annales Geophysicae, 2002 Measurements of OI 630.0 nm thermospheric dayglow emission by means of the Dayglow Photometer (DGP) at Mt. Abu (24.6° N, 73.7° E, dip lat 19.09° N), a station under the crest of Equatorial Ionization Anomaly (EIA), reveal day-to-day changes in the ...
D. Chakrabarty +6 more
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Principal Component Analysis of Equatorial Geomagnetic and Ionospheric Diurnal Variations
Brazilian Journal of Geophysics, 1996 Mean diurnal variations of the H and D components of the geornagnetic field and the Total Electron content (TEC) at selected stations, close to the dip equator, at low latitude away from the equatorial electrojet influence and close to thé ...
G. K. Rangarajan
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An intense SFE and SSC event in geomagnetic H, Y and Z fields at the Indian chain of observatories [PDF]
Annales Geophysicae, 1997 Changes in the three components of geomagnetic field are reported at the chain of ten geomagnetic observatories in India during an intense solar crochet that occurred at 1311 h 75° EMT on 15 June 1991 and the subsequent sudden commencement (SSC) of ...
R. G. Rastogi +5 more
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DETECTION OF THREE DISTINCT REGIONS IN THE EQUATORIAL ELECTROJET IN THE BRAZILIAN SECTOR
Brazilian Journal of Geophysics, 2003 We carried out an equatorial electrojet campaign in December 1999, using the RESCO coherent backscatter radar at São Luís, at the geomagnetic equator. In this paper we selected the period from December 11 through December 19, which covers both
Clezio M. Denardini +2 more
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High resolution 2-D maps of OI 630.0 nm thermospheric dayglow from equatorial latitudes [PDF]
Annales Geophysicae, 1998 The first-ever high resolution 2-D maps of OI 630.0 nm dayglow obtained from equatorial latitudes clearly reveal the movement as a large-scale feature of the equatorial ionization anomaly (EIA).
D. Pallam Raju, R. Sridharan
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Longitudinal variation of equatorial electrojet and the occurrence of its counter electrojet [PDF]
Annales Geophysicae, 2017 We examined the longitudinal variability of the equatorial electrojet (EEJ) and the occurrence of its counter electrojet (CEJ) using the available records of the horizontal component H of the geomagnetic field simultaneously recorded in the year 2009 (
A. B. Rabiu +5 more
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