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Special Issue "Extraterrestrial Influences on Remote Sensing in the Earth’s Atmosphere"

A special issue of Remote Sensing (ISSN 2072-4292). This special issue belongs to the section "Atmospheric Remote Sensing".

Deadline for manuscript submissions: closed (31 March 2022) | Viewed by 5989

Special Issue Editors

Dr. Aleksandra Nina
E-Mail Website
Guest Editor
Prof. Dr. Milan Radovanović
E-Mail Website
Guest Editor
Geographical Institute “Jovan Cvijic” of Serbian Academy of Sciences and Arts, Belgrade, Serbia
Institute of Sports, Tourism and Service, South Ural State University, 454080 Chelyabinsk, Russia
Interests: space weather; physical geography; natural hazards; tourism
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Luka Č. Popović
E-Mail Website
Guest Editor
Astronomical Observatory, Volgina 7, 11160 Belgrade, Serbia
Interests: spectroscopy of astrophysical plasma; active galactic nuclei; gravitational lensing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Propagation properties of the electromagnetic signals used for different kinds of remote sensing depends on the atmospheric parameters, such as the electron density and temperature. Spatial and temporal variations of these parameters affect signal propagations and, consequently, corresponding applications of the used technique such as observations and positioning. One of the most important sources of the atmospheric disturbances is solar electromagnetic and charged particles radiation. In addition, cosmic rays, including both electromagnetic and particle radiation, can provide enough intensive perturbations of the outer Earth’s layer that can affect the signal propagation path. The sources of these perturbations can be relatively close to our planet, but also can be located in the deep Universe. Perturber intensities, lengths and locations in the Earth’s atmosphere can be quite different, which can induce various signal deviations.

The aim of this Issue is to present the latest research linking events and processes in the outer space with changes in the propagation of the satellite and ground-based signals used in remote sensing. This Special issue welcomes papers that explore the following:

- Detection of the extra-terrestrial radiation and modelling of the induced atmospheric disturbances using different kinds of remote sensing techniques;

- Changes in signals used for remote sensing and the quality of their applications during influences of extra-terrestrial events;

- Influences of events from outer space on the detection of terrestrial or extra-terrestrial events and corresponding modelling, such as masking less intense perturbations with solar influences, etc.

Additionally, other papers that deal with the Earth’s atmosphere’s perturbations due to extra-terrestrial events (e.g., meteor perturbatios) that may affect signal propagation are welcome.

Dr. Aleksandra Nina
Prof. Dr. Milan Radovanović
Prof. Dr. Luka Č. Popović
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Remote Sensing is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2500 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Atmosphere
  • Observations
  • Signal processing
  • Modelling
  • Extraterrestrial radiation
  • Solar radiation
  • Disturbances
  • Remote sensing

Published Papers (4 papers)

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Editorial

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Editorial
Extraterrestrial Influences on Remote Sensing in the Earth’s Atmosphere
Remote Sens. 2021, 13(5), 890; https://doi.org/10.3390/rs13050890 - 26 Feb 2021
Cited by 1 | Viewed by 1369
Abstract
Atmospheric properties have a significant influence on electromagnetic (EM) waves, including the propagation of EM signals used for remote sensing. For this reason, changes in the received amplitudes and phases of these signals can be used for the detection of the atmospheric disturbances [...] Read more.
Atmospheric properties have a significant influence on electromagnetic (EM) waves, including the propagation of EM signals used for remote sensing. For this reason, changes in the received amplitudes and phases of these signals can be used for the detection of the atmospheric disturbances and, consequently, for their investigation. Some of the most important sources of the temporal and space variations in the atmospheric parameters come from the outer space. Although the solar radiation dominates in these processes, radiation coming out of the solar system also can induces enough intensive disturbance in the atmosphere to provide deflections in the EM signal propagation paths. The aim of this issue is to present the latest research linking events and processes in outer space with changes in the propagation of the satellite and ground-based signals used in remote sensing. Full article
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Research

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Communication
September 2017 Solar Flares Effect on the Middle Atmosphere
Remote Sens. 2022, 14(11), 2560; https://doi.org/10.3390/rs14112560 - 27 May 2022
Cited by 1 | Viewed by 696
Abstract
This paper examines the response of the upper atmosphere to increased radiation following exceptional solar activity in September 2017. The active region of the Sun AR2673 has caused intense solar-terrestrial disturbance. This active region has generated several powerful X-class solar flares. The strongest [...] Read more.
This paper examines the response of the upper atmosphere to increased radiation following exceptional solar activity in September 2017. The active region of the Sun AR2673 has caused intense solar-terrestrial disturbance. This active region has generated several powerful X-class solar flares. The strongest outburst of the 24th solar activity cycle X9.3 occurred on 6 September 2017. The second powerful solar flare X8.2 occurred on 10 September 2017. Both flares caused an increase of the solar irradiance in extreme ultraviolet and soft X-ray spectral regions, and Ly-α line. The empirical FISM2 model was used to obtain data on the radiation fluxes from solar flares. The HAMMONIA chemistry–climate model was used to analyze the effect of radiation on the neutral atmosphere. This work presents the results of the effect of solar flares on the chemical composition and ozone of the upper and middle atmosphere. Full article
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Article
Modelling of the Electron Density and Total Electron Content in the Quiet and Solar X-ray Flare Perturbed Ionospheric D-Region Based on Remote Sensing by VLF/LF Signals
Remote Sens. 2022, 14(1), 54; https://doi.org/10.3390/rs14010054 - 23 Dec 2021
Cited by 3 | Viewed by 1493
Abstract
Many analyses of the perturbed ionospheric D-region and its influence on the propagation of ground-based and satellite signals are based on data obtained in ionospheric remote sensing by very low/low frequency (VLF/LF) signals. One of the most significant causes of errors in these [...] Read more.
Many analyses of the perturbed ionospheric D-region and its influence on the propagation of ground-based and satellite signals are based on data obtained in ionospheric remote sensing by very low/low frequency (VLF/LF) signals. One of the most significant causes of errors in these analyses is the lack of data related to the analysed area and time period preceding the considered perturbation. In this paper, we examine the influence of the estimation of the quiet ionosphere parameters on the determination of the electron density (Ne) and total electron content in the D-region (TECD) during the influence of a solar X-ray flare. We present a new procedure in which parameters describing the quiet ionosphere are calculated based on observations of the analysed area by a VLF/LF signal at the observed time. The developed procedure is an upgrade of the quiet ionospheric D-region (QIonDR) model that allows for a more precise analysis of the D-region intensively perturbed by a solar X-ray flare. The presented procedure is applied to data obtained in ionospheric remote sensing by the DHO signal emitted in Germany and received in Serbia during 30 solar X-ray flares. We give analytical expressions for the dependencies of the analysed parameters on the X-ray flux maximum at the times of the X-ray flux maximum and the most intense D-region perturbation. The results show that the obtained Ne and TECD are larger than in the cases when the usual constant values of the quiet ionosphere parameters are used. Full article
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Article
Ionization in the Earth’s Atmosphere Due to Isotropic Energetic Electron Precipitation: Ion Production and Primary Electron Spectra
Remote Sens. 2021, 13(20), 4161; https://doi.org/10.3390/rs13204161 - 18 Oct 2021
Cited by 2 | Viewed by 964
Abstract
Energetic electron precipitation (EEP) via atmospheric ion production rates is a natural force acting on the atmosphere and climate systems. The correct estimation of EEP ion production and spectra for the computation of ionization rates is an important issue for estimating climate forces. [...] Read more.
Energetic electron precipitation (EEP) via atmospheric ion production rates is a natural force acting on the atmosphere and climate systems. The correct estimation of EEP ion production and spectra for the computation of ionization rates is an important issue for estimating climate forces. In the present paper, we propose a favorable method for the computation of ionization rates forced by EEP using the new parameterization of ion production and a new spectrum shape, which allow one to take into account the range of precipitating particles from tens of keV to several MeV. A new function of spectral fit will also be helpful in obtaining information about EEP from satellite and balloon observations. Presented here, the parameterization of atmospheric ionization in the Earth’s atmosphere includes a new yield function of isotropically precipitating monoenergetic electrons and ionization via Bremsstrahlung radiation. Look-up tables with ion production/yield function for isotropically precipitating monoenergetic electrons (30 keV–5 MeV) can be easily used for the computation of ionization rates and can further be used by atmospheric and chemistry-climate models for accurate quantification of atmospheric parameters during energetic electron precipitation. Full article
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