Results 171 to 180 of about 2,552 (218)
RF heating in a strong auroral electrojet [PDF]
Advances in Space Research, 1998 Results are reported from experiments in which the high power HF facility at Tromso, Norway was employed to modify the Hall current region of the auroral ionosphere during periods when the electrojet became enhanced. During conditions characterised by a weak electrojet and completely underdense heating, observations indicated that RF heating leads to ...
Robinson, T. R. +4 more
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Critical problems of equatorial electrojet [PDF]
Advances in Space Research, 1992 This paper describes the general features of the equatorial electrojet current over the magnetic equator based on ground geomagnetic observatory data, rocket borne magnetometer data, ground based HF and VHF sounding of the atmosphere. Also are described its association with magnetosphere currents, interplanetary magnetic field charges and with ...
Rastogi, R. G.
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Equatorial electrojet and regular daily variation S—II. the centre of the equatorial electrojet [PDF]
Journal of Atmospheric and Terrestrial Physics, 1976 Abstract Magnetic ground data have previously been described, and a method for the quantitative determination of the equatorial electrojet parameters (by splitting up the regular daily variation S R into the electrojet component S R E and the planetary component S R P ) presented ( fambita-koye and Mayaud , 1975).
O Fambitakoye, P.N Mayaud
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The equatorial electrojet during geomagnetic storms and substorms [PDF]
Journal of Geophysical Research: Space Physics, 2015 The climatology of the equatorial electrojet during periods of enhanced geomagnetic activity is examined using long-term records of ground-based magnetometers in the Indian and Peruvian regions.
Yosuke Yamazaki, M J Kosch
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Quasi‐6‐Day Wave Modulation of the Equatorial Electrojet [PDF]
Journal of Geophysical Research: Space Physics, 2018 The equatorial electrojet is an enhanced eastward current in the dayside E region ionosphere flowing along the magnetic equator. The equatorial electrojet is highly variable as it is subject to various forcing mechanisms including atmospheric waves from ...
Yosuke Yamazaki +2 more
exaly +2 more sources
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Journal of Geophysical Research, 1966
During 29 crossings of the geomagnetic dip equator near 80°W longitude in February and July 1964, airborne equipment obtained cross sections of geomagnetic field intensity and ionospheric characteristics. The magnetic anomalies due to the electrojet and the amplitudes of Esq echoes show fair correlation of details and fair-to-good correlation of large ...
G. J. Gassmann, R. A. Wagner
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During 29 crossings of the geomagnetic dip equator near 80°W longitude in February and July 1964, airborne equipment obtained cross sections of geomagnetic field intensity and ionospheric characteristics. The magnetic anomalies due to the electrojet and the amplitudes of Esq echoes show fair correlation of details and fair-to-good correlation of large ...
G. J. Gassmann, R. A. Wagner
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Journal of Atmospheric and Terrestrial Physics, 1965
Polar electrojet causing magnetic substorms in high latitudes flows westward along closed oval curve and is connected with auroral activity and outer radiation ...
S.-I. Akasofu, S. Chapman, C.-I Meng
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Polar electrojet causing magnetic substorms in high latitudes flows westward along closed oval curve and is connected with auroral activity and outer radiation ...
S.-I. Akasofu, S. Chapman, C.-I Meng
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Subsolar elevation of the equatorial electrojet
pure and applied geophysics, 1989The subsolar elevation of the equatorial electrojet has been produced from satellite solstitial data available from 09 to 15 hr LT using a new approach with the general style of the overhead equivalent current system. It shows the bunching of the current around the dip equator; the return currents of the equatorial electrojet close to the flanks of the
C. A. Onwumechili, P. C. Ozoemena
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pure and applied geophysics, 1989
The typical quiet day variations of the equatorial electrojet (EEJ) current intensity with time of the day, season, sunspot number, and geomagnetic latitude are presented in terms of the corresponding variations of ΔH which is the deviation of the horizontal component (H) of the geomagnetic field from its steady nighttime level.
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The typical quiet day variations of the equatorial electrojet (EEJ) current intensity with time of the day, season, sunspot number, and geomagnetic latitude are presented in terms of the corresponding variations of ΔH which is the deviation of the horizontal component (H) of the geomagnetic field from its steady nighttime level.
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2021
The equatorial electrojet (EEJ) represents a ribbon of intense electric current flowing in the ionospheric E region on the dayside along the dip-equator. The primary reason for the high current density is the geometry of the geomagnetic field with its horizontal field lines at these latitudes.
Lühr, H., Alken, P., Zhou, Y.
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The equatorial electrojet (EEJ) represents a ribbon of intense electric current flowing in the ionospheric E region on the dayside along the dip-equator. The primary reason for the high current density is the geometry of the geomagnetic field with its horizontal field lines at these latitudes.
Lühr, H., Alken, P., Zhou, Y.
openaire +2 more sources