About: Diurnal variation of gravity wave type oscillations at midlatitudes in the ionospheric F region.

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About: Diurnal variation of gravity wave type oscillations at midlatitudes in the ionospheric F region. Goto Sponge NotDistinct Permalink

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 investigate the short-term fluctuation in the period range from 15 to 180 minutes in the electron density variations of the F region ionosphere. Electron density profiles obtained at the ionospheric stations of Pruhonice (49.9 N, 14.5 E) and Ebro (40.8 N, 0.5 E) at five minute time sampling have been used for this analysis. The diurnal changes of the activity of the acoustic gravity wave fluctuations (AGW) show a clear enhancement during and several hours after sunrise. The periods of such AGW's are about 60 to 75 minutes and these waves propagate vertically through the ionosphere from from a source located at an altitude of 180 - 220 km. The most likely source for these events seems to be passage of the Solar terminator. We investigate the short-term fluctuation in the period range from 15 to 180 minutes in the electron density variations of the F region ionosphere. Electron density profiles obtained at the ionospheric stations of Pruhonice (49.9 N, 14.5 E) and Ebro (40.8 N, 0.5 E) at five minute time sampling have been used for this analysis. The diurnal changes of the activity of the acoustic gravity wave fluctuations (AGW) show a clear enhancement during and several hours after sunrise. The periods of such AGW's are about 60 to 75 minutes and these waves propagate vertically through the ionosphere from from a source located at an altitude of 180 - 220 km. The most likely source for these events seems to be passage of the Solar terminator. (en)
Title	Diurnal variation of gravity wave type oscillations at midlatitudes in the ionospheric F region. Diurnal variation of gravity wave type oscillations at midlatitudes in the ionospheric F region. (en)
skos:prefLabel	Diurnal variation of gravity wave type oscillations at midlatitudes in the ionospheric F region. Diurnal variation of gravity wave type oscillations at midlatitudes in the ionospheric F region. (en)
skos:notation	RIV/68378289:_____/03:04033525!RIV/2004/AV0/A04004/N
http://linked.open.../vavai/riv/strany	579;586
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA205/01/1071), P(GP205/02/P077), Z(AV0Z3042911)
http://linked.open...iv/cisloPeriodika	N/A
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Koucká Knížová, Petra Boška, Josef
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	604171
http://linked.open...ai/riv/idVysledku	RIV/68378289:_____/03:04033525
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	AGW; ionospheric sounding; wave propagation (en)
http://linked.open.../riv/klicoveSlovo	wave propagation AGW ionospheric sounding
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[171D9B0BDB31]
http://linked.open...i/riv/nazevZdroje	Studia geophysica et geodaetica
http://linked.open...in/vavai/riv/obor	DG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Wave effects in the ionosphere and the short-term ionospheric predictions Diurnal variations of the wave processes in the ionosphere and determination of their possible sources
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	47
http://linked.open...iv/tvurceVysledku	Altadill, D. Boška, Josef Alberca, L. F. Knížová, Petra Solé, J. G.
http://linked.open...n/vavai/riv/zamer	Investigations of selected processes in the Earth's atmosphere
issn	0039-3169
number of pages	8 (xsd:int)

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