Results 51 to 60 of about 118,766 (238)
Response of the equatorial ionosphere to the geomagnetic DP 2 current system
Geophysical Research Letters, 2016 The response of equatorial ionosphere to the magnetospheric origin DP 2 current system fluctuations is examined using ground‐based multiinstrument observations.
E. Yizengaw +9 more
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Earth and Planetary Physics, 2018 We present preliminary results of a new global Magnetohydrodynamics (MHD) simulation model of the Jovian magnetosphere. The model incorporates mass loading from Jupiter's satellite Io, the planet's fast corotation, and electrostatic coupling between its ...
YuXian Wang +4 more
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, 1990 410-423The development of research in E and F regions of the ionosphere in India since about 1950 is briefly described. The various geomagnetic factors controlling the F region at low latitudes during quiet, disturbed days, on different ages of the moon ...
Rastogi, R G
core
Geophysical Research Letters, Volume 53, Issue 20, 28 October 2026.Abstract The inner radiation belt (L* < 3) has long been considered an impenetrable barrier to ultra‐relativistic electrons. Here we show that this barrier can be breached under extreme space weather conditions. Using continuous near‐equatorial observations from the Arase satellite, we show that the May 2024 superstorm rapidly generated multi‐MeV ...
Y. Miyoshi +19 more
wiley +1 more source
The intermediate layers and associated tidal motions observed by a digisonde in the equatorial anomaly region [PDF]
Annales Geophysicae, 2003 This investigation presents an initial attempt to analyze a full year of daily ionosonde observations relevant to the determination of plasma densities, tidal structures, and ion transports in the equatorial anomaly region of the lower ionosphere.
C.-C. Lee +4 more
doaj +1 more source
First Observation of Four‐Band Ion Cyclotron Whistlers
Geophysical Research Letters, Volume 53, Issue 20, 28 October 2026.Abstract Ion cyclotron whistlers are frequently observed in low Earth orbit, typically formed when right‐hand polarized lightning whistlers undergo polarization reversal at crossover frequencies. In this study, we for the first time report a four‐band ion cyclotron whistler event detected by Van Allen Probe A.
Huicong Chen +6 more
wiley +1 more source
Remote SensingThis study investigates the responses of the equatorial and low-latitude ionosphere in the American–Atlantic longitude sector during the super geomagnetic storm that occurred on 10–11 May 2024.
Ercha Aa, Yanhong Chen, Bingxian Luo
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Midday reversal of equatorial ionospheric electric field [PDF]
Annales Geophysicae, 1997 A comparative study of the geomagnetic and ionospheric data at equatorial and low-latitude stations in India over the 20 year period 1956–1975 is described.
R. G. Rastogi
doaj +1 more source
Saturn's Ionosphere: Further Evidence of Equatorial Anomaly [PDF]
, 1986 61-62Electron density profile measured at 1ᵒS by the Radio Science Experiment on Voyager 1 indicates a depleted equatorial inonosphere at Saturn. The value of the peak electron density on this measurement is quite close to the one speculated by us ...
Srilakshmi, M V, Mahajan, K K, Kar, J
core
The Long‐Term Trend of the Equatorial Electrojet Over Indian Sector
Geophysical Research Letters, Volume 53, Issue 20, 28 October 2026.Abstract The upper‐atmosphere cooling trend is well documented, while the long‐term trend of the ionospheric electrodynamics remains poorly understood. Using two geomagnetic observation data sets over Indian sector, we analyze the long‐term trend of the monthly‐median equatorial electrojet (EEJ) in 1967–2015 after removing the solar activity and ...
Ruilong Zhang +5 more
wiley +1 more source