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Statements

Subject Item
n2:RIV%2F68378289%3A_____%2F04%3A04040005%21RIV%2F2004%2FAV0%2FA04004%2FN
rdf:type
n17:Vysledek skos:Concept
dcterms: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.
dcterms: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.
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.
skos:notation
RIV/68378289:_____/04:04040005!RIV/2004/AV0/A04004/N
n4:strany
69;99
n4:aktivita
n16:Z n16:P
n4:aktivity
P(IAA3042101), Z(AV0Z3042911)
n4:cisloPeriodika
N/A
n4:dodaniDat
n8:2004
n4:domaciTvurceVysledku
n18:7020139
n4:druhVysledku
n6:J
n4:duvernostUdaju
n15:S
n4:entitaPredkladatele
n14:predkladatel
n4:idSjednocenehoVysledku
554127
n4:idVysledku
RIV/68378289:_____/04:04040005
n4:jazykVysledku
n11:eng
n4:klicovaSlova
D region; E region; long-term trends
n4:klicoveSlovo
n7:E%20region n7:long-term%20trends n7:D%20region
n4:kodStatuVydavatele
NL - Nizozemsko
n4:kontrolniKodProRIV
[83662AF9B064]
n4:nazevZdroje
Surveys in Geophysics
n4:obor
n13:DG
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
2
n4:pocetUcastnikuAkce
0
n4:pocetZahranicnichUcastnikuAkce
0
n4:projekt
n12:IAA3042101
n4:rokUplatneniVysledku
n8:2004
n4:svazekPeriodika
25
n4:tvurceVysledku
Laštovička, Jan Bremer, J.
n4:zamer
n10:AV0Z3042911
s:issn
0169-3298
s:numberOfPages
31