Seasonal variations in ion density, ion temperature, and migrating tides in the topside ionosphere revealed by ICON/IVM

Z Ma, Y Gong, S Zhang, J Bao, S Yin, Q Zhou - Remote Sensing, 2023 - mdpi.com
Based on the plasma parameters measured by the Ion Velocity Meter (IVM) instrument on
the Ionospheric Connection Explorer (ICON) satellite from 2020 to 2021, we present an …

Evidence of anti-correlation between sporadic (Es) layers occurrence and solar activity observed at low latitudes over the Brazilian sector

PA Fontes, M Muella, LCA Resende… - Advances in Space …, 2024 - Elsevier
Sporadic E-layers (Es) are thin and denser layers with high ionization observed at about 100–
140 km altitude in the E region. Their formation is mainly associated with the tidal …

Seasonal Dependency of the Solar Cycle, QBO, and ENSO Effects on the Interannual Variability of the Wind DW1 in the MLT Region

C Wu, AJ Ridley, CY Cullens - Journal of Geophysical …, 2024 - Wiley Online Library
The migrating diurnal tide (DW1) is derived by fitting Hough Mode Extensions to the
TIMED/TIDI near‐global wind measurements within the mesosphere and lower …

Tidal structures in the mesosphere and lower thermosphere and their solar cycle variations

R Sun, S Gu, X Dou, N Li - Atmosphere, 2022 - mdpi.com
We studied the correlations between the migrating and non-migrating tides and solar cycle
in the mesosphere and lower thermosphere (MLT) regions between 60° S and 60° N, which …

Worldwide study of the Sporadic E (Es) layer development during a space weather event

LCA Resende, Y Zhu, CM Denardini, J Moro… - Journal of Atmospheric …, 2022 - Elsevier
This work analyzes the worldwide development of Sporadic E (Es) layers in different regions
during a High-Speed Solar Wind Stream (HSS) event on March 18, 2018. We used …

Seasonal and interannual variations of global tides in the mesosphere and lower thermosphere neutral winds: II. Semidiurnal and terdiurnal tides

Y Liu, J Xu, AK Smith, X Liu - Journal of Geophysical Research …, 2024 - Wiley Online Library
In the mesosphere and lower thermosphere (MLT) region, semidiurnal and terdiurnal tides
are dominant at middle and high latitudes and are important for the dynamics and structures …

[HTML][HTML] Study of the Tidal Variations in the Ionosphere and the MLT Region over Mohe and Beijing During Six Intense Geomagnetic Storms from 2016 to 2021

J Ma, Z Ma, J Bao, J Luo, J Yang, D Liu - Remote Sensing, 2024 - mdpi.com
Geomagnetic storms can cause large variations in the ionosphere, but their impacts on the
mesosphere and lower thermosphere (MLT) are not well understood. Based on the Total …

Blanketing Sporadic‐E Layer Occurrences Over Santa Maria, a Transition Station From Low to Middle Latitude in the South American Magnetic Anomaly (SAMA)

J Moro, J Xu, CM Denardini, G Stefani… - Journal of …, 2022 - Wiley Online Library
Digisonde data obtained from July 2019 to June 2020 are used to study the overall
occurrences of the blanketing types (Esf, Esl, Esh, Esc) of the sporadic layers (Esb) over …

The characteristics and simulation of sporadic E layers in ascending and descending phases of the solar cycle at mid‐latitude stations

Y Zhang, H Peng, R Jin, H Li, Y Hu… - Journal of …, 2025 - Wiley Online Library
Most of the attention was paid to the correlation between Sporadic E (Es) layers and solar
activity, and conflicting conclusions were obtained in previous research. For the first time, we …

Sporadic-E studies over Southern Hemisphere geomagnetic mid-latitudes

AJ Foppiano, MA Bravo, LCA Resende… - Journal of Atmospheric …, 2024 - Elsevier
Sporadic-E (Es) are characterized by denser layers whose formation could be related to
wave activity in the lower thermosphere, such as planetary waves, tides, and gravity waves …