Electric Field Multifractal Features in the High-Latitude Ionosphere: CSES-01 Observations

Electric Field Multifractal Features in the High-Latitude Ionosphere: CSES-01 Observations

In the polar ionosphere, the electric field is characterized by broadband and power law spectral densities at small/short spatio-temporal scales, which support a possible turbulent nature of the electric field fluctuations. Here, we investigate the multifractal character of the full three-dimensiona...

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Main Authors: Giuseppe Consolini, Virgilio Quattrociocchi, Giulia D’Angelo, Tommaso Alberti, Mirko Piersanti, Maria Federica Marcucci, Paola De Michelis
Format: Article
Language:English
Published: MDPI AG 2021-05-01
Series:Atmosphere
Subjects:
auroral ionosphere
electric field
turbulence
fractals and multifractals
Online Access:https://www.mdpi.com/2073-4433/12/5/646
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spelling doaj-455cdf47a39646ffb2ce8c33b96d362f2021-06-01T00:28:10ZengMDPI AGAtmosphere2073-44332021-05-011264664610.3390/atmos12050646Electric Field Multifractal Features in the High-Latitude Ionosphere: CSES-01 ObservationsGiuseppe Consolini0Virgilio Quattrociocchi1Giulia D’Angelo2Tommaso Alberti3Mirko Piersanti4Maria Federica Marcucci5Paola De Michelis6INAF-Istituto di Astrofisica e Planetologia Spaziali, 00133 Rome, ItalyINAF-Istituto di Astrofisica e Planetologia Spaziali, 00133 Rome, ItalyINAF-Istituto di Astrofisica e Planetologia Spaziali, 00133 Rome, ItalyINAF-Istituto di Astrofisica e Planetologia Spaziali, 00133 Rome, ItalyINAF-Istituto di Astrofisica e Planetologia Spaziali, 00133 Rome, ItalyINAF-Istituto di Astrofisica e Planetologia Spaziali, 00133 Rome, ItalyIstituto Nazionale di Geofisica e Vulcanologia, 00143 Rome, ItalyIn the polar ionosphere, the electric field is characterized by broadband and power law spectral densities at small/short spatio-temporal scales, which support a possible turbulent nature of the electric field fluctuations. Here, we investigate the multifractal character of the full three-dimensional electric field in the polar ionosphere as recorded on board the first Chinese Seismo-Electromagnetic Satellite (CSES-01). The results of our analysis prove a clear different degree of multifractality of the electric field fluctuations approaching either the polar cap trailing edge or the auroral region. The observed differences in the multifractal character are interpreted in terms of the different natures of the particle precipitation in the polar cap and in the auroral region. A possible link between the multifractal nature of electric field fluctuations, parallel to the geomagnetic field, and filamentation of field aligned currents (FACs) is established.https://www.mdpi.com/2073-4433/12/5/646auroral ionosphereelectric fieldturbulencefractals and multifractals
collection DOAJ
language English
format Article
sources DOAJ
author Giuseppe Consolini
Virgilio Quattrociocchi
Giulia D’Angelo
Tommaso Alberti
Mirko Piersanti
Maria Federica Marcucci
Paola De Michelis
spellingShingle Giuseppe Consolini
Virgilio Quattrociocchi
Giulia D’Angelo
Tommaso Alberti
Mirko Piersanti
Maria Federica Marcucci
Paola De Michelis
Electric Field Multifractal Features in the High-Latitude Ionosphere: CSES-01 Observations
Atmosphere
auroral ionosphere
electric field
turbulence
fractals and multifractals
author_facet Giuseppe Consolini
Virgilio Quattrociocchi
Giulia D’Angelo
Tommaso Alberti
Mirko Piersanti
Maria Federica Marcucci
Paola De Michelis
author_sort Giuseppe Consolini
title Electric Field Multifractal Features in the High-Latitude Ionosphere: CSES-01 Observations
title_short Electric Field Multifractal Features in the High-Latitude Ionosphere: CSES-01 Observations
title_full Electric Field Multifractal Features in the High-Latitude Ionosphere: CSES-01 Observations
title_fullStr Electric Field Multifractal Features in the High-Latitude Ionosphere: CSES-01 Observations
title_full_unstemmed Electric Field Multifractal Features in the High-Latitude Ionosphere: CSES-01 Observations
title_sort electric field multifractal features in the high-latitude ionosphere: cses-01 observations
publisher MDPI AG
series Atmosphere
issn 2073-4433
publishDate 2021-05-01
description In the polar ionosphere, the electric field is characterized by broadband and power law spectral densities at small/short spatio-temporal scales, which support a possible turbulent nature of the electric field fluctuations. Here, we investigate the multifractal character of the full three-dimensional electric field in the polar ionosphere as recorded on board the first Chinese Seismo-Electromagnetic Satellite (CSES-01). The results of our analysis prove a clear different degree of multifractality of the electric field fluctuations approaching either the polar cap trailing edge or the auroral region. The observed differences in the multifractal character are interpreted in terms of the different natures of the particle precipitation in the polar cap and in the auroral region. A possible link between the multifractal nature of electric field fluctuations, parallel to the geomagnetic field, and filamentation of field aligned currents (FACs) is established.
topic auroral ionosphere
electric field
turbulence
fractals and multifractals
url https://www.mdpi.com/2073-4433/12/5/646
work_keys_str_mv AT giuseppeconsolini electricfieldmultifractalfeaturesinthehighlatitudeionospherecses01observations
AT virgilioquattrociocchi electricfieldmultifractalfeaturesinthehighlatitudeionospherecses01observations
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