[HTML][HTML] The ionospheric equivalent slab thickness: a review supported by a global climatological study over two solar cycles

A Pignalberi, M Pietrella, M Pezzopane, B Nava… - Space Science …, 2022 - Springer
The ionospheric equivalent slab thickness (τ) is a parameter characterizing both the
distribution of the plasma in the ionosphere and the shape of the corresponding vertical …

Empirical data assimilation for merging total electron content data with empirical and physical models

E Forootan, M Kosary, S Farzaneh… - Surveys in Geophysics, 2023 - Springer
An accurate estimation of ionospheric variables such as the total electron content (TEC) is
important for many space weather, communication, and satellite geodetic applications …

3‐D regional ionosphere imaging and SED reconstruction with a new TEC‐based ionospheric data assimilation system (TIDAS)

E Aa, SR Zhang, PJ Erickson, W Wang… - Space …, 2022 - Wiley Online Library
A new TEC‐based ionospheric data assimilation system (TIDAS) over the continental US
and adjacent area (20°–60° N, 60°–130° W, and 100–600 km) has been developed through …

3‐D ionospheric imaging over the South American region with a new TEC‐based ionospheric data assimilation system (TIDAS‐SA)

E Aa, SR Zhang, PJ Erickson, W Wang… - Space …, 2024 - Wiley Online Library
This study has developed a new TEC‐based ionospheric data assimilation system for 3‐D
regional ionospheric imaging over the South American sector (TIDAS‐SA)(45° S–15° N, 35° …

Evaluation of the new background covariance model for the ionospheric data assimilation

VV Forsythe, I Azeem, R Blay, G Crowley… - Radio …, 2021 - ieeexplore.ieee.org
This paper presents the evaluation of the recently developed covariance model for the
Ionospheric Data Assimilation Four-Dimensional (IDA4D) technique. The ionospheric data …

[HTML][HTML] Next-decade needs for 3-D ionosphere imaging

E Aa, VV Forsythe, SR Zhang, W Wang… - Frontiers in Astronomy …, 2023 - frontiersin.org
Accurately imaging the 3-D ionospheric variation and its temporal evolution has always
been a challenging task for the space weather community. Recent decades have witnessed …

3‐D regional imaging of ionosphere over Africa through assimilating satellite and ground‐based data

CK Mengist, KH Seo, YH Kim… - Journal of …, 2023 - Wiley Online Library
In this study, the first high‐resolution regional ionospheric model over Africa and adjacent
areas (− 40–40° N latitude, 30° W–60° E longitude, and 80–1,400 km in altitude) is …

The global analysis of the ionospheric correlation time and its implications for ionospheric data assimilation

VV Forsythe, I Azeem, G Crowley… - Radio …, 2020 - ieeexplore.ieee.org
Ionospheric correlation time is an important parameter that contains information about the
temporal variability, structures, and dynamics of the ionosphere. This parameter is also …

Evaluating radio occultation (RO) constellation designs using observing system simulation experiments (OSSEs) for ionospheric specification

N Dietrich, T Matsuo, CY Lin, B diLorenzo… - Space …, 2024 - Wiley Online Library
Low Earth orbit (LEO) radio occultation| radio occultations (RO) constellations can provide
global electron density profiles (EDPs) to better specify and forecast the ionosphere …

Horizontal Spatial Correlation of the Ionospheric Day‐To‐Day Variations at Low Latitudes Based on GOLD Nmax Data

J Chen, J Zhong, Y Hao, X Wan, Q Li, Z Tang… - Space …, 2023 - Wiley Online Library
Peak electron density data derived from GOLD measurements during 2018–2022 are used
to analyze the magnitudes and correlations of ionospheric diurnal variability at low latitudes …