[Observations par Demeter d'ondes d'origine humaine se propageant dans l'ionosphère]
Cet article constitue une revue des ondes d'origine humaine observées par le satellite ionosphérique Demeter. Cela concerne les ondes émises par les émetteurs TBF et EBF, par les stations de radio, par le rayonnement des lignes électriques et par les expériences actives. Des exemples sont présentés dont, pour la première fois, l'enregistrement d'une onde émise par un émetteur EBF. Ces ondes se propagent vers la magnétosphère, et elles peuvent être observées au point conjugué magnétique de leur région d'émission. Selon leurs fréquences, elles perturbent l'ionosphère et les particules dans les ceintures de radiation, et de nouvelles émissions sont déclenchées.
This paper is a review of manmade waves observed by the ionospheric satellite DEMETER. It concerns waves emitted by the ground-based VLF and ELF transmitters, by broadcasting stations, by the power line harmonic radiation, by industrial noise, and by active experiments. Examples are shown including, for the first time, the record of a wave coming from an ELF transmitter. These waves propagate upwards in the magnetosphere and they can be observed in the magnetically conjugated region of emission. Depending on their frequencies, they perturb the ionosphere and the particles in the radiation belts, and additional emissions are triggered.
Mots-clés : Ionosphère, Ondes d'origine humaine, Propagation
Michel Parrot 1
@article{CRPHYS_2018__19_1-2_26_0,
author = {Michel Parrot},
title = {DEMETER observations of manmade waves that propagate in the ionosphere},
journal = {Comptes Rendus. Physique},
pages = {26--35},
publisher = {Elsevier},
volume = {19},
number = {1-2},
year = {2018},
doi = {10.1016/j.crhy.2018.02.001},
language = {en},
}
Michel Parrot. DEMETER observations of manmade waves that propagate in the ionosphere. Comptes Rendus. Physique, Radio science for Humanity / Radiosciences au service de l’humanité Journées scientifiques URSI-France 2017 – SophiaTech, Sophia Antipolis, France, 1–3 February 2017 / 1er–3 mars 2017, Volume 19 (2018) no. 1-2, pp. 26-35. doi : 10.1016/j.crhy.2018.02.001. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2018.02.001/
[1] Planet. Space Sci., 54 (2006) no. 5, pp. 411-558 (Special Issue: First Results of the DEMETER Micro-Satellite)
[2] et al. Precipitation signatures of ground-based VLF transmitters, J. Geophys. Res., Volume 113 (2008) | DOI
[3] et al. First in-situ observations of strong ionospheric perturbations generated by a powerful VLF ground-based transmitter, Geophys. Res. Lett., Volume 34 (2007) | DOI
[4] et al. Radiation belt electron precipitation due to VLF transmitters: satellite observations, Geophys. Res. Lett., Volume 35 (2008) | DOI
[5] Terrestrial VLF transmitter injection into the magnetosphere, J. Geophys. Res., Volume 117 (2012) | DOI
[6] et al. Subionospheric VLF observations of transmitter-induced precipitation of inner radiation belt electrons, Geophys. Res. Lett., Volume 34 (2007) | DOI
[7] et al. Extended lateral heating of the nighttime ionosphere by ground-based VLF transmitters, J. Geophys. Res. Space Phys., Volume 118 (2013), pp. 7783-7797 | DOI
[8] et al. Unexpected very low frequency (VLF) radio events recorded by the ionospheric satellite DEMETER, Surv. Geophys., Volume 36 (2015) no. 3, pp. 483-511
[9] et al. Transionospheric attenuation of 100 kHz radio waves inferred from satellite and ground based observations, Geophys. Res. Lett., Volume 36 (2009) | DOI
[10] et al. WIND/WAVES observations of man-made radio transmissions, Geophys. Res. Lett., Volume 23 (1996) no. 10, pp. 1287-1290
[11] Reception of ELF signals at antipodal distances, Radio Sci., Volume 33 (1998), pp. 83-88
[12] et al. Reception of ELF transmitter signals at Moshiri, Japan, and their propagation characteristics, Radio Sci., Volume 45 (2010) | DOI
[13] et al. VLF line radiation in the Earth's magnetosphere and its association with power system radiation, J. Geophys. Res., Volume 80 (1975) no. 31, pp. 4249-4258
[14] et al. Power line harmonic radiation (PLHR) observed by the DEMETER spacecraft, J. Geophys. Res., Volume 111 (2006) | DOI
[15] et al. Power line harmonic radiation: a systematic study using DEMETER spacecraft, Adv. Space Res., Volume 40 (2007) no. 3, pp. 398-403 | DOI
[16] et al. Power line harmonic radiation observed by satellite: properties and propagation through the ionosphere, J. Geophys. Res., Volume 113 (2008) | DOI
[17] et al. Influence of power line harmonic radiation on the VLF wave activity in the upper ionosphere: is it capable to trigger new emissions?, J. Geophys. Res., Volume 115 (2010) | DOI
[18] et al. On the nonlinear triggering of VLF emissions by power line harmonic radiation, Ann. Geophys., Volume 17 (1999), pp. 79-94
[19] Some Aspects of ELF–VLF Emissions in Geophysical Research, vol. 98, Oulu University Press, 2005
[20] et al. Systematic investigation of power line harmonic radiation in near-Earth space above China based on observed satellite data, J. Geophys. Res. Space Phys., Volume 122 (2017) | DOI
[21] et al. The DEMETER mission, recent investigations on ionospheric effects associated with man-made activities and seismic phenomena, C. R. Phys., Volume 12 (2011) no. 2, pp. 160-170 | DOI
[22] Whistlers and Related Ionospheric Phenomena, Stanford University Press, Stanford, CA, USA, 1965
[23] et al. DEMETER observations of an intense upgoing column of ELF/VLF radiation excited by the HAARP HF heater, J. Geophys. Res., Volume 113 (2008) | DOI
[24] et al. Magnetospheric amplification and emission triggering by ELF/VLF waves injected by the 3.6 MW HAARP ionospheric heater, J. Geophys. Res. Space Phys., Volume 113 (2008) | DOI
[25] Physical mechanisms of man-made influences on the magnetosphere, Surv. Geophys., Volume 17 (1996), pp. 67-100
[26] et al. Longitudinal variations of very-low-frequency chorus activity in the magnetosphere: evidence of excitation by electrical power transmission lines, Geophys. Res. Lett., Volume 4 (1977), pp. 275-278
[27] et al. Chorus and chorus-like emissions seen by the ionospheric satellite DEMETER, J. Geophys. Res. Space Phys., Volume 121 (2016), pp. 3781-3792 | DOI
[28] et al. Radiation belt electron precipitation by man-made VLF transmissions, J. Geophys. Res., Volume 113 (2008) | DOI
Cité par Sources :
Commentaires - Politique