Results 1 to 10 of about 274,087 (189)

Manifestations of Strong IMF-By on the Equatorial Ionospheric Electrodynamics During 10 May 2024 Geomagnetic Storm

Geophysical Research Letters
Understanding the effects of east‐west component of interplanetary magnetic field (IMF‐By) on the equatorial ionospheric electrodynamics is challenging due to the complex response caused by the simultaneous occurrence of multiple mechanisms during ...
Mala S Bagiya, Geeta Vichare
exaly   +4 more sources

Electrodynamics of the equatorial F-region ionosphere during pre-sunrise period [PDF]

Annales Geophysicae, 2009
The electrodynamics of the pre-sunrise equatorial F-region is investigated using HF Doppler radar and digital ionosonde. The observations are limited to those days for which the radar probing frequency is below the foF2 value.
S. R. Prabhakaran Nayar, T. J. Mathew, C. V. Sreehari, S. G. Sumod, C. V. Devasia, S. Ravindran, V. Sreeja, T. Kumar Pant, R. Sridharan   +8 more
doaj   +2 more sources

Multi-process driven unusually large equatorial perturbation electric fields during the April 2023 geomagnetic storm

Frontiers in Astronomy and Space Sciences
The low latitude ionosphere and thermosphere are strongly disturbed during and shortly after geomagnetic storms. We use novel Jicamarca radar measurements, ACE satellite solar wind, and SuperMAG geomagnetic field observations to study the electrodynamic ...
Bela G. Fejer, Sophia R. Laranja, Sophia R. Laranja, Percy Condor   +3 more
doaj   +2 more sources

Comparative investigations of equatorial electrodynamics and low-to-mid latitude coupling of the thermosphere-ionosphere system [PDF]

Annales Geophysicae, 2006
The thermospheric midnight temperature maximum (MTM) is a highly variable, but persistent, large scale neutral temperature enhancement which occurs at low latitudes.
M. J. Colerico, M. Mendillo, C. G. Fesen, J. Meriwether   +3 more
doaj   +2 more sources

Impact of the Gannon Superstorm on the Equatorial Ionization Anomaly Dynamics During Its Recovery Phase on 11 May 2024

Space Weather
During the recovery phase of the Gannon Superstorm on 11 May 2024, the thermosphere‐ionosphere system experienced dramatic changes marked by an unusual redistribution of plasma density.
K. Shimna, R. K. Archana, C. Vineeth, Gang Lu, T. K. Pant, M. S. M. Vijayan   +5 more
doaj   +2 more sources

Regional simulations of equatorial spread F driven with, and an analysis of, WAM-IPE electric fields

Frontiers in Physics
A three-dimensional, regional simulation is used to investigate ionospheric plasma density irregularities associated with Equatorial Spread F. This simulation is first driven with background electric fields derived from ISR observations.
Aaron Kirchman, David Hysell, Tzu-Wei Fang   +2 more
doaj   +2 more sources

Circular orbits of accretion flow around charged black hole coupled with a nonlinear electrodynamics field

European Physical Journal C: Particles and Fields
This study investigates the particle’s geodesic motion and accretion around the spherically symmetric Reissner–Nordström black hole coupled with a nonlinear electrodynamics field.
H. Rehman, G. Abbas, Tao Zhu, Qiang Wu, G. Mustafa   +4 more
doaj   +2 more sources

A Study on Ionospheric Scintillation Near the EIA Crest in Relation to Equatorial Electrodynamics

Journal of Geophysical Research: Space Physics, 2014
S Banola, B Veenadhari
exaly   +2 more sources

Equatorial Electrodynamics and Neutral Background in the Asian Sector During the 2009 Stratospheric Sudden Warming

Journal of Geophysical Research: Space Physics, 2011
Huixin Liu, Yuichi Ōtsuka, Mamoru Yamamoto   +2 more
exaly   +2 more sources

Statistical analysis of equatorial electrojet responses to the transient changes of solar wind conditions

Frontiers in Astronomy and Space Sciences, 2023
Introduction: Prior case studies have indicated that changes in solar wind conditions have a significant impact on equatorial ionospheric electrodynamics.
Jiawei Zhang, Qiaoling Li, Shuhan Li, Jing Liu   +3 more
doaj   +1 more source