About: Persistence of the planetary wave in the lower ionosphere.

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About: Persistence of the planetary wave in the lower ionosphere. 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	The transient planetary waves in the atmosphere and ionosphere seem to occur in the form of bursts of a couple of waves with limited persistence. To study persistence of planetary wave events in the lower ionosphere, data from two radio path from Central Europe are used, Luxenbourgh - Panská Ves (f=6.09MHz, feq=2.1-2.2 MHz) and Deutschlandfunk - Panská Ves (f=1539kHz, feq=650-700 k Hz). The absorption along the former radio paths is formed very predominantly at altitudes of about 90-100 km, whereas the latter absorption is formed mostly at altitudes of about 85-90 km. The persistence of planetary wave type oscillations is studied in the three period bands centred at 5, 10 and 16 days. Waves with period T near 5 days reveal a typical persistence of wave events around 5 cycles. Waves with T = 10 days are less persistent with a typical persistence of 3-4 cycles. The typical persistence of waves T = 16 days is no more than 3 cycles. In terms of number of cycles, the persistence of oscollations evidently d The transient planetary waves in the atmosphere and ionosphere seem to occur in the form of bursts of a couple of waves with limited persistence. To study persistence of planetary wave events in the lower ionosphere, data from two radio path from Central Europe are used, Luxenbourgh - Panská Ves (f=6.09MHz, feq=2.1-2.2 MHz) and Deutschlandfunk - Panská Ves (f=1539kHz, feq=650-700 k Hz). The absorption along the former radio paths is formed very predominantly at altitudes of about 90-100 km, whereas the latter absorption is formed mostly at altitudes of about 85-90 km. The persistence of planetary wave type oscillations is studied in the three period bands centred at 5, 10 and 16 days. Waves with period T near 5 days reveal a typical persistence of wave events around 5 cycles. Waves with T = 10 days are less persistent with a typical persistence of 3-4 cycles. The typical persistence of waves T = 16 days is no more than 3 cycles. In terms of number of cycles, the persistence of oscollations evidently d (en)
Title	Persistence of the planetary wave in the lower ionosphere. Persistence of the planetary wave in the lower ionosphere. (en)
skos:prefLabel	Persistence of the planetary wave in the lower ionosphere. Persistence of the planetary wave in the lower ionosphere. (en)
skos:notation	RIV/68378289:_____/03:04033542!RIV/2004/AV0/A04004/N
http://linked.open.../vavai/riv/strany	161;172
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(OC 271.10), Z(AV0Z3042911)
http://linked.open...iv/cisloPeriodika	N/A
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Laštovička, Jan Križan, Peter Novotná, Dagmar
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	620637
http://linked.open...ai/riv/idVysledku	RIV/68378289:_____/03:04033542
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	lower ionosphere; planetary waves; persistence (en)
http://linked.open.../riv/klicoveSlovo	persistence planetary waves lower ionosphere
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[85D02A7F783E]
http://linked.open...i/riv/nazevZdroje	Studia geophysica et geodaetica
http://linked.open...in/vavai/riv/obor	DG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20271.10
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	47
http://linked.open...iv/tvurceVysledku	Križan, Peter Laštovička, Jan Novotná, Dagmar
http://linked.open...n/vavai/riv/zamer	Investigations of selected processes in the Earth's atmosphere
issn	0039-3169
number of pages	12 (xsd:int)

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