Results 121 to 130 of about 312 (156)

Equivalent Sq Current Systems at Occasions of the Equatorial Counter Electrojet

Journal of geomagnetism and geoelectricity, 1980
TAKEDA, Masahiko, MAEDA, Hiroshi
openaire   +2 more sources

Simultaneous Occurrence of Magnetospheric Fluctuations at Different Discrete Frequencies ( f ≈ 1 - 5 mHz): A Review. [PDF]

Space Sci Rev
Di Matteo S, Villante U.
europepmc   +1 more source

MEAN WINDS AND TIDAL COMPONENTS AT THE EQUATOR DURING COUNTER ELECTROJET EVENTS

Brazilian Journal of Geophysics, 2018
V. V. Somayajulu, L. Cherian, G. Ramkulnar, C. R. Reddi   +3 more
openaire   +1 more source

Solar flare effects in equatorial counter electrojet currents

Nature, 1975
THE solar flare effect on the horizontal component of the geomagnetic field (H) during the period of counter equatorial electrojet current is characterised by a negative crochet (decrease of the H field) at an equatorial electrojet station and a positive crochet (increase of H field) at a low latitude station outside the electrojet belt.
R G Rastogi, M R Deshpande, N S Sastri
exaly   +3 more sources

Distortions in the height structure of the equatorial electrojet during counter electrojet events

Journal of Atmospheric and Terrestrial Physics, 1994
This paper presents simultaneous observations made near the magnetic equator during counter electrojet events using a coherent VHF backscattcr radar, magnetometer and digital ionosonde to understand the physical processes that generate the counter electrojet conditions.
V.V. Somayajulu, K.S. Viswanathan, K.S.V. Subbarao, L. Cherian   +3 more
openaire   +2 more sources

Equatorial counter-electrojet and the F2-layer of the ionosphere

Journal of Atmospheric and Terrestrial Physics, 1989
It is shown that the quiet day afternoon counter-electrojet events at equatorial stations are the result of a strong semi-diurnal tidal force, with a maximum around 0900 LT and a minimum around 1500 LT, superimposed over the normal Sq (H) variation.
R.G. Rastogi, A. Patil
openaire   +2 more sources

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Temporal characteristics of the Equatorial Electrojet and Counter Electrojet over Ethiopian sector

Advances in Space Research, 2015
Abstract In this paper, we reported on a case study of the temporal characteristics of the Equatorial Electrojet (EEJ) and Counter Electrojet (CEJ) over Ethiopian sector during an interval on August 27, 2008 inferred from ground-based magnetometer observations.
Endalkachew Mengistu, Tsegaye Kassa
exaly   +2 more sources

Constraints on Scale Lengths of Equatorial Electrojet and Counter Electrojet Phenomena From the Indian Sector

Journal of Geophysical Research: Space Physics, 2018
AbstractThe present study investigates the longitudinal variability of equatorial electrojet (EEJ) and counter electrojet (CEJ) phenomena using concurrent data from three equatorial and low‐latitude paired stations/sites at 5°, 15°, and 20° longitudinal separation in the Indian sector: (i) Minicoy (72°E, dip latitude 01.32°) and Alibag (72°E, dip ...
R K Archana, N Phani Chandrasekhar, Kusumita Arora   +2 more
exaly   +2 more sources

Counter equatorial electrojet: Analysis of the variability in daytime mesopause temperature and winds

Journal of Atmospheric and Solar-Terrestrial Physics, 2012
Abstract This paper reports the variation of the daytime zonal wind and OH temperature at upper mesospheric altitudes during the afternoon equatorial counter electrojet (CEJ) events over a geomagnetic dip equatorial station, Trivandrum (8.5°N, 77°E, 0.5°N diplat.), in India.
C Vineeth, T K Pant, Lijo JOSÉ
exaly   +2 more sources