Results 41 to 50 of about 1,980,581 (160)

Classification of the equatorial plasma bubbles using convolutional neural network and support vector machine techniques

open access: yesEarth, Planets and Space, 2023
Equatorial plasma bubble (EPB) is a phenomenon characterized by depletions in ionospheric plasma density being formed during post-sunset hours. The ionospheric irregularities can lead to disruptions in trans-ionospheric radio systems, navigation systems ...
Thananphat Thanakulketsarat   +4 more
doaj   +1 more source

Electrostatic Ion Cyclotron Waves Observed by CSES in the Equatorial Plasma Bubble

open access: yesGeophysical Research Letters, 2023
Broadband ELF electrostatic emissions have been observed by the China Seismo‐Electromagnetic Satellite (CSES) inside the equatorial plasma bubbles (EPBs).
Xiaochen Gou   +10 more
doaj   +1 more source

Long‐Term Increase in Equatorial Rayleigh‐Taylor Instability: Synergistic Effects of Greenhouse Gas Cooling and Geomagnetic Field Secular Variation

open access: yesGeophysical Research Letters, Volume 53, Issue 20, 28 October 2026.
Abstract Equatorial plasma bubbles (EPBs) are ionospheric irregularities generated by Rayleigh–Taylor instability (RTI) that disrupt satellite communications. We quantify secular change of RTI growth rates and isolate underlying drivers using WACCM‐X simulations.
Liying Qian   +4 more
wiley   +1 more source

Enhancement of Magnetic Flux Transferred to the Magnetotail Due to a Storm‐Time Kelvin‐Helmholtz Instability

open access: yesGeophysical Research Letters, Volume 53, Issue 19, 16 October 2026.
Abstract Along the flank magnetopause, magnetosheath flow interfaced with the relatively stationary magnetosphere produces strong flow shears, and the Kelvin‐Helmholtz instability (KHI) occurs. When the interplanetary magnetic field (IMF) is southward, anti‐parallel day‐side reconnection and KHI can interact, which may enhance the reconnection rate as ...
Brandon L. Burkholder   +7 more
wiley   +1 more source

Day-to-day and short-term variabilities in the equatorial plasma bubble/spread F irregularity seeding and development

open access: yesProgress in Earth and Planetary Science, 2019
The background ionospheric conditions shaped by sunset electrodynamic processes are responsible for the development of equatorial plasma bubble (EPB)/equatorial spread F (ESF) irregularities of the post-sunset ionosphere.
Mangalathayil Ali Abdu
doaj   +1 more source

Geomagnetic conjugacy of plasma bubbles extending to mid-latitudes during a geomagnetic storm on March 1, 2013

open access: yesEarth, Planets and Space, 2022
This study, for the first time, reports the geomagnetically conjugate structure of a plasma bubble extending to the mid-latitudes and the asymmetrical structure of the decay of the plasma bubble during a geomagnetic storm.
Takuya Sori   +4 more
doaj   +1 more source

Dynamic Evolution of a Storm‐Time “Super‐EPB” Event Over China on the Magnetically Disturbed Night of 01 December 2023

open access: yesSpace Weather, Volume 24, Issue 10, October 2026.
Abstract This paper investigates the dynamic evolution of a storm‐time “Super‐EPB” event over China on 1 December 2023 (Kp ≤ 7, SYM/H ≥ −130 nT) using multi‐instrument observations. Occurring near sunset as the IMF‐Bz abruptly turned southward, with auroral extension to midlatitudes, the “Super‐EPB” extended to 40°N with an apex height of ∼2,460 km ...
Longchang Sun   +11 more
wiley   +1 more source

Observation of plasma bubble ionospheric equatorial at peninsular Malaysia by using myRTKnet / Noor Hijjah Mohamad Yusof [PDF]

open access: yes, 2011
This thesis presents the research on observation of plasma bubble ionospheric equatorial at peninsular Malaysia by using Malaysian Real Time Kinematic Global Positioning System Network (myRTKnet).
Mohamad Yusof, Noor Hijjah
core  

A new perspective on the equatorial plasma bubble suppression by the nighttime medium-scale traveling ionospheric disturbances

open access: yes, 2019
<p>Ths sami3output.zip data is the SAMI3/ESF model output for the study of "A new perspective on the equatorial plasma bubble suppression by the nighttime medium-scale traveling ionospheric disturbances".<br> <br> This file ...
Lin, Charles C. H.   +2 more
core   +1 more source

Equatorial F‐Region Responses to the Main Phase of the 10 May 2024 Geomagnetic Storm Over the South American Sector: Observations and Model Simulations

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 10, October 2026.
Abstract This study examines the equatorial ionospheric response over the South American sector during the onset of the extreme 2024 Mother's Day geomagnetic storm, which began at ∼17 UT on 10 May and reached the G5 level. Pronounced disturbances in ionospheric electrodynamics were observed under both daytime and nighttime conditions. Variations in the
A. M. Santos   +21 more
wiley   +1 more source

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