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Atmosphere
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The Role of Solar Wind-Magnetosphere Coupling in the Ionospheric Dynamics
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The Role of Solar Wind-Magnetosphere Coupling in the Ionospheric Dynamics

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Upper Atmosphere".

Deadline for manuscript submissions: closed (2 February 2024) | Viewed by 3200

Special Issue Editors

Dr. Giulia D’Angelo

E-Mail Website
Guest Editor
Istituto Nazionale di Astrofisica-Istituto di Astrofisica e Planetologia Spaziali, Via del Fosso del Cavaliere, 00133 Rome, Italy
Interests: space physics; space weather; ionosphere–magnetosphere coupling; ionospheric irregularities; GNSS
Dr. Emanuele Papini

E-Mail Website
Guest Editor
Istituto Nazionale di Astrofisica-Istituto di Astrofisica e Planetologia Spaziali, Via del Fosso del Cavaliere, 00133 Rome, Italy
Interests: space physics; space weather; modeling; ionosphere–magnetosphere coupling; plasma turbulence; magnetic reconnection

Special Issue Information

Dear Colleagues,

It is known that the physical mechanisms regulating magnetosphere–ionosphere coupling show a high degree of complexity related to the high variability due to changes in geospace environment conditions as well as in the conditions of the interplanetary medium and, ultimately, of the Sun. This translates into different structuring and dynamics of the ionosphere.

The understanding of the physical mechanisms regulating solar wind–magnetosphere–ionosphere coupling motivates the necessity for original contributions to the current knowledge in this topic. In particular, numerical and analytical models as well as case studies and statistical investigations under different solar conditions are encouraged to advance process analysis and basic coupling theory.

This Special Issue welcomes contributions that bring a broader understanding of the existing link between geomagnetic field perturbations of external origin and the ionospheric dynamics under different conditions of the interplanetary plasma environment. In particular, we welcome works that focus on the modeling of physical processes that regulate the highly ionized upper atmosphere, such as the formation and evolution of ionospheric irregularities and the evolution of magnetospheric and ionospheric current systems. We also welcome contributions on the acquisition of capabilities for predicting the effects of the perturbed ionosphere on technological systems, thus contributing to studies of space weather.

Dr. Giulia D’Angelo
Dr. Emanuele Papini
Guest Editors

Manuscript Submission Information

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Keywords

  • ionosphere–magnetosphere coupling
  • ionospheric irregularities
  • ionospheric current systems
  • Sun–Earth interactions
  • geomagnetic storms and substorms

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Published Papers (2 papers)

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Research

27 pages, 8647 KiB  
Article
An Update of the NeQuick-Corr Topside Ionosphere Modeling Based on New Datasets
by Michael Pezzopane, Alessio Pignalberi, Marco Pietrella, Haris Haralambous, Fabricio Prol, Bruno Nava, Artem Smirnov and Chao Xiong
Atmosphere 2024, 15(4), 498; https://doi.org/10.3390/atmos15040498 - 18 Apr 2024
Cited by 1 | Viewed by 1174
Abstract
A new analytical formula for H0, one of the three parameters (H0, g, and r) on which the NeQuick model is based to describe the altitude profile of the electron density above the F2-layer peak height [...] Read more.
A new analytical formula for H0, one of the three parameters (H0, g, and r) on which the NeQuick model is based to describe the altitude profile of the electron density above the F2-layer peak height hmF2, has recently been proposed. This new analytical representation of H0, called H0,corr, relies on numerical grids based on two different types of datasets. On one side, electron density observations by the Swarm satellites over Europe from December 2013 to September 2018, and on the other side, IRI UP (International Reference Ionosphere UPdate) maps over Europe of the critical frequency of the ordinary mode of propagation associated with the F2 layer, foF2, and hmF2, at 15 min cadence for the same period. The new NeQuick topside representation based on H0,corr, hereafter referred to as NeQuick-corr, improved the original NeQuick topside representation. This work updates the numerical grids of H0,corr by extending the underlying Swarm and IRI UP datasets until December 2021, thus allowing coverage of low solar activity levels, as well. Moreover, concerning Swarm, besides the original dataset, the calibrated one is considered, and corresponding grids of H0,corr calculated. At the same time, the role of g is investigated, by considering values different from the reference one, equal to 0.125, currently adopted. To understand what are the best H0,corr grids to be considered for the NeQuick-corr topside representation, vertical total electron content data for low, middle, and high latitudes, recorded from five low-Earth-orbit satellite missions (COSMIC/FORMOSAT-3, GRACE, METOP, TerraSAR-X, and Swarm) have been analyzed. The updated H0,corr grids based on the original Swarm dataset with a value for g = 0.15, and the updated H0,corr grids based on the calibrated Swarm dataset with a value for g = 0.14, are those for which the best results are obtained. The results show that the performance of the different NeQuick-corr models is reliable also for low latitudes, even though these are outside the spatial domain for which the H0,corr grids were obtained, and are dependent on solar activity. Full article
(This article belongs to the Special Issue The Role of Solar Wind-Magnetosphere Coupling in the Ionospheric Dynamics)
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13 pages, 1570 KiB  
Article
Modeling Turbulent Fluctuations in High-Latitude Ionospheric Plasma Using Electric Field CSES-01 Observations
by Simone Benella, Virgilio Quattrociocchi, Emanuele Papini, Mirko Stumpo, Tommaso Alberti, Maria Federica Marcucci, Paola De Michelis, Mirko Piersanti and Giuseppe Consolini
Atmosphere 2023, 14(9), 1466; https://doi.org/10.3390/atmos14091466 - 21 Sep 2023
Viewed by 1272
Abstract
High-latitude ionospheric plasma constitutes a very complex environment, which is characterized by turbulent dynamics in the presence of different ion species. The turbulent plasma motion produces statistical features of both electromagnetic and velocity fields, which have been broadly studied over the years. In [...] Read more.
High-latitude ionospheric plasma constitutes a very complex environment, which is characterized by turbulent dynamics in the presence of different ion species. The turbulent plasma motion produces statistical features of both electromagnetic and velocity fields, which have been broadly studied over the years. In this work, we use electric field high-resolution observations provided by the China-Seismo Electromagnetic Satellite-01 in order to investigate the properties of plasma turbulence within the Earth’s polar cap. We adopt a model of turbulence in which the fluctuations of the electric field are assimilated to a stochastic process evolving throughout the scales, and we show that such a process (i) satisfies the Markov condition (ii) can be modeled as a continuous diffusion process. These observations enable us to use a Fokker–Planck equation to model the changes in the statistics of turbulent fluctuations throughout the scales. In this context, we discuss the advantages and limitations of the proposed approach in modeling plasma electric field fluctuations. Full article
(This article belongs to the Special Issue The Role of Solar Wind-Magnetosphere Coupling in the Ionospheric Dynamics)
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