About: Propagation of unducted whistlers from their source lightning: a case study

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We analyze nightside measurements of the DEMETER spacecraft related to lightning activity. At the 707 km altitude of DEMETER, we observe 3-D electric and magnetic field waveforms of fractional-hop whistlers. At the same time, the corresponding atmospherics are recorded by a very low frequency (VLF) ground-based station located in Nancay (France). The source lightning strokes are identified by the METEORAGE lightning detection network. We perform multidimensional analysis of the DEMETER measurements and obtain detailed information on wave polarization characteristics and propagation directions. This allows us for the first time to combine these measurements with ray-tracing simulation in order to directly characterize how the radiation penetrates upward through the ionosphere. We find that penetration into the ionosphere occurs at nearly vertical wave vector angles (as was expected from coupling conditions) at distances of 100–900 km from the source lightning. We analyze nightside measurements of the DEMETER spacecraft related to lightning activity. At the 707 km altitude of DEMETER, we observe 3-D electric and magnetic field waveforms of fractional-hop whistlers. At the same time, the corresponding atmospherics are recorded by a very low frequency (VLF) ground-based station located in Nancay (France). The source lightning strokes are identified by the METEORAGE lightning detection network. We perform multidimensional analysis of the DEMETER measurements and obtain detailed information on wave polarization characteristics and propagation directions. This allows us for the first time to combine these measurements with ray-tracing simulation in order to directly characterize how the radiation penetrates upward through the ionosphere. We find that penetration into the ionosphere occurs at nearly vertical wave vector angles (as was expected from coupling conditions) at distances of 100–900 km from the source lightning. (en)
Title	Propagation of unducted whistlers from their source lightning: a case study Propagation of unducted whistlers from their source lightning: a case study (en)
skos:prefLabel	Propagation of unducted whistlers from their source lightning: a case study Propagation of unducted whistlers from their source lightning: a case study (en)
skos:notation	RIV/68378289:_____/09:00332580!RIV10-AV0-68378289
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA301120601), Z(AV0Z30420517)
http://linked.open...iv/cisloPeriodika	-
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Chum, Jaroslav Burešová, Dalia
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky atmosféry AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	337148
http://linked.open...ai/riv/idVysledku	RIV/68378289:_____/09:00332580
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	unducted whistler; DEMETER; ray-tracing (en)
http://linked.open.../riv/klicoveSlovo	DEMETER ray-tracing unducted whistler
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[4F89FDF08D18]
http://linked.open...i/riv/nazevZdroje	Journal of Geophysical Research
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Investigation of plasma waves in the magnetosphere and in the solar wind
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	114
http://linked.open...iv/tvurceVysledku	Burešová, Dalia Chum, Jaroslav Parrot, M. Gurnett, D. A. Inan, U. S. Santolík, O.
http://linked.open...ain/vavai/riv/wos	000264686900004
http://linked.open...n/vavai/riv/zamer	Studium atmosférického obalu Země v interakci s pozemskými a kosmickými vlivy
issn	0148-0227
number of pages	11 (xsd:int)

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