About: An overview of long-term trends in the lower ionosphere below 120 km.

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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	In the lower part of the ionosphere below about 90 km, the rocket measurements of electron density, the indirect phase reflection height measurements and the A3 radio wave absorption measurements reveal trends corresponding to cooling and shrinking of the mesosphere. The radio wave absorption and rocket electron density measurements clearly display a substantial dependence of trends on height. Ionosonde data show that there is a model-expected trend in the maximum electron concentration of the E region ionosphere; foE is slightly increasing, the height of the normal E layer, h`E, is slightly decreasing. The nighttime LF radio wave reflection height measurements near 95 km support an idea of increasing electron density. However, rather scarce rocket measurements display a negative trend in electron density at 90-120km. In the lower part of the ionosphere below about 90 km, the rocket measurements of electron density, the indirect phase reflection height measurements and the A3 radio wave absorption measurements reveal trends corresponding to cooling and shrinking of the mesosphere. The radio wave absorption and rocket electron density measurements clearly display a substantial dependence of trends on height. Ionosonde data show that there is a model-expected trend in the maximum electron concentration of the E region ionosphere; foE is slightly increasing, the height of the normal E layer, h`E, is slightly decreasing. The nighttime LF radio wave reflection height measurements near 95 km support an idea of increasing electron density. However, rather scarce rocket measurements display a negative trend in electron density at 90-120km. (en)
Title	An overview of long-term trends in the lower ionosphere below 120 km. An overview of long-term trends in the lower ionosphere below 120 km. (en)
skos:prefLabel	An overview of long-term trends in the lower ionosphere below 120 km. An overview of long-term trends in the lower ionosphere below 120 km. (en)
skos:notation	RIV/68378289:_____/04:04040005!RIV/2004/AV0/A04004/N
http://linked.open.../vavai/riv/strany	69;99
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA3042101), Z(AV0Z3042911)
http://linked.open...iv/cisloPeriodika	N/A
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Laštovička, Jan
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	554127
http://linked.open...ai/riv/idVysledku	RIV/68378289:_____/04:04040005
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	D region; E region; long-term trends (en)
http://linked.open.../riv/klicoveSlovo	long-term trends D region E region
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[83662AF9B064]
http://linked.open...i/riv/nazevZdroje	Surveys in Geophysics
http://linked.open...in/vavai/riv/obor	DG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Long-term trends in the ionosphere and atmosphere
http://linked.open...UplatneniVysledku	2004
http://linked.open...v/svazekPeriodika	25
http://linked.open...iv/tvurceVysledku	Laštovička, Jan Bremer, J.
http://linked.open...n/vavai/riv/zamer	Investigations of selected processes in the Earth's atmosphere
issn	0169-3298
number of pages	31 (xsd:int)

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