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

MA Abdu - Progress in Earth and Planetary Science, 2019 - Springer
The background ionospheric conditions shaped by sunset electrodynamic processes are
responsible for the development of equatorial plasma bubble (EPB)/equatorial spread F …

Electrodynamic disturbances in the Brazilian equatorial and low‐latitude ionosphere on St. Patrick's Day storm of 17 March 2015

K Venkatesh, S Tulasi Ram… - Journal of …, 2017 - Wiley Online Library
Abstract The St. Patrick's Day storm of 17 March 2015 has a long‐lasting main phase with
the Dst reaching a minimum of− 223 nT. During the main phase, two strong prompt …

The Influence of Disturbance Dynamo Electric Field in the Formation of Strong Sporadic E Layers Over Boa Vista, a Low‐Latitude Station in the American Sector

LCA Resende, JK Shi, CM Denardini… - Journal of …, 2020 - Wiley Online Library
This study analyzes strong sporadic E layer (Es) formation in Boa Vista (BV, 2.8° N, 60.7° W,
dip: 18°), a low‐latitude region in the Brazilian sector, which occurred far after the onset of a …

Impacts of storm electric fields and traveling atmospheric disturbances over the Americas during 23–24 April 2023 geomagnetic storm: Experimental analysis

JR Souza, P Dandenault, AM Santos… - Journal of …, 2024 - Wiley Online Library
The paper presents the effects of the storm‐time prompt penetration electric fields (PPEF)
and traveling atmospheric disturbances (TADs) on the total electron content (TEC), foF2 and …

Three Different Episodes of Prompt Equatorial Electric Field Perturbations Under Steady Southward IMF Bz During St. Patrick's Day Storm

S Tulasi Ram, B Nilam, N Balan… - Journal of …, 2019 - Wiley Online Library
Three different episodes of prompt penetration electric field (PPEF) disturbances are
observed during the main phase of the St. Patrick's Day storm on 17 March 2015 under …

Global longitudinal behavior of IRI bottomside profile parameters from FORMOSAT‐3/COSMIC ionospheric occultations

SK Panda, H Haralambous… - Journal of Geophysical …, 2018 - Wiley Online Library
The bottomside thickness and shape (B0 and B1) are the critical key elements for depicting
a realistic electron density profile in the International Reference Ionosphere (IRI) model. We …

Comparison of bottomside ionospheric profile parameters (B0 and B1) extracted from FORMOSAT-7/COSMIC-2 GNSS Radio occultations with Digisondes and IRI …

AK Singh, H Haralambous, SK Panda - Advances in Space Research, 2022 - Elsevier
The bottomside thickness (B0) and shape (B1) are two important parameters considered in
the bottomside electron density profile (EDP) specification of the International Reference …

The impact of the disturbed electric field in the sporadic E (Es) layer development over Brazilian region

LCA Resende, J Shi, CM Denardini… - Journal of …, 2021 - Wiley Online Library
During disturbed periods, E region electric fields can cause anomalous Es layer behavior,
which is observed in the digital ionosonde data. To investigate the influence of these electric …

The effects of solar radiation and geomagnetic disturbance during consecutive 27-day recurrent geomagnetic storms on variations of equatorial ionospheric …

T Yeeram - Astrophysics and Space Science, 2024 - Springer
This study investigates contributions of solar radiation and geomagnetic activity of
consecutive 27-day recurrent geomagnetic storms (RGSs) to the variabilities in the …

Atmospheric gravity waves observed in the nightglow following the 21 August 2017 total solar eclipse

I Paulino, CAOB Figueiredo… - Geophysical …, 2020 - Wiley Online Library
Nighttime airglow images observed at the low‐latitude site of São João do Cariri (7.4° S,
36.5° W) showed the presence of a medium‐scale atmospheric gravity wave (AGW) …