Examining the wind shear theory of sporadic E with ICON/MIGHTI winds and COSMIC‐2 radio occultation data

Y Yamazaki, C Arras, S Andoh… - Geophysical …, 2022 - Wiley Online Library
The wind shear theory is widely accepted as an explanation for the formation of a sporadic E
(Es) layer, but the direct comparison of Es with the local wind shear has been limited due to …

Global Sporadic‐E Occurrence Rate Climatology Using GPS Radio Occultation and Ionosonde Data

TJ Hodos, OA Nava, EV Dao… - Journal of Geophysical …, 2022 - Wiley Online Library
An updated global climatology of blanketing sporadic E (Es) is developed from a combined
data set of Global Positioning System (GPS) radio occultation (RO) and ground‐based …

Sporadic E morphology based on COSMIC radio occultation data and its relationship with wind shear theory

J Luo, H Liu, X Xu - Earth, Planets and Space, 2021 - Springer
The S4max data retrieved from the Constellation Observing System for the Meteorology,
Ionosphere, and Climate (COSMIC) radio occultation (RO) measurements during 2007 to …

Sporadic E layer characteristics at equatorial latitudes as observed by GNSS radio occultation measurements

C Arras, LCA Resende, A Kepkar… - Earth, Planets and …, 2022 - Springer
Scintillations in the signal-to-noise (SNR) profiles of GNSS radio occultation (RO)
measurements at lower ionospheric altitudes are caused by compact layers of high …

Altitudinal and latitudinal variations in ionospheric sporadic‐E layer obtained from FORMOSAT‐3/COSMIC radio occultation

L Qiu, T Yu, X Yan, YY Sun, X Zuo… - Journal of …, 2021 - Wiley Online Library
Sporadic E (Es) layers are known for their layered structures with enhanced electron density.
Recently, some scientists have studied the relationship between the occurrence rate and …

Formation of sporadic E (Es) layer by homogeneous and inhomogeneous horizontal winds

G Dalakishvili, GG Didebulidze, M Todua - Journal of Atmospheric and …, 2020 - Elsevier
The possibility of sporadic E (Es) layer formation in the mid-latitude nighttime lower
thermosphere by horizontal homogeneous and inhomogeneous (vertically changing) winds …

Simulation of horizontal sporadic E layer movement driven by atmospheric tides

S Andoh, A Saito, H Shinagawa - Earth, Planets and Space, 2023 - Springer
The present study aims to reveal horizontal sporadic E (Es) movements driven by
atmospheric diurnal/semi-diurnal tides using a three-dimensional (3D) ionospheric model …

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 …

[HTML][HTML] Study of sporadic E layers based on GPS radio occultation measurements and digisonde data over the Brazilian region

LCA Resende, C Arras, IS Batista… - Annales …, 2018 - angeo.copernicus.org
This work presents new results about sporadic E-layers (Es layers) using GPS (global
positioning system) radio occultation (RO) measurements obtained from the FORMOSAT …

Different Sporadic‐E (Es) Layer Types Development During the August 2018 Geomagnetic Storm: Evidence of Auroral Type (Esa) Over the SAMA Region

J Moro, J Xu, CM Denardini… - Journal of …, 2022 - Wiley Online Library
Sporadic‐E (Es) layers are investigated over five Digisonde stations located inside (Santa
Maria and Cachoeira Paulista), boundary (São Luís), and outside (Millstone Hill and Port …