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Statements

Subject Item
n2:RIV%2F67985530%3A_____%2F09%3A00330328%21RIV10-AV0-67985530
rdf:type
n8:Vysledek skos:Concept
dcterms:description
In 2004, we started operating a continuous Doppler sounding system to investigate ionospheric signatures of infrasonic, short period acoustic gravity waves and geomagnetic pulsations. Since January 2007, four stable 3.59 MHz transmitters have been in operation in the western part of the Czech Republic. Multipoint measurements enable us to investigate horizontal propagation of waves and disturbances in the ionosphere and to estimate horizontal distances over which these waves (disturbances) are correlated. We focus on cross-correlations between Doppler shift records and irregular night-time Pi2 pulsations of the geomagnetic field measured on the ground at the observatory of Budkov. These pulsations have periods _1–3 min and occur simultaneously (within the precision of the measurements) on all Doppler sounding signals. The sounding signals (Doppler records) are usually best correlated with the variations of the horizontal component of the geomagnetic field. In 2004, we started operating a continuous Doppler sounding system to investigate ionospheric signatures of infrasonic, short period acoustic gravity waves and geomagnetic pulsations. Since January 2007, four stable 3.59 MHz transmitters have been in operation in the western part of the Czech Republic. Multipoint measurements enable us to investigate horizontal propagation of waves and disturbances in the ionosphere and to estimate horizontal distances over which these waves (disturbances) are correlated. We focus on cross-correlations between Doppler shift records and irregular night-time Pi2 pulsations of the geomagnetic field measured on the ground at the observatory of Budkov. These pulsations have periods _1–3 min and occur simultaneously (within the precision of the measurements) on all Doppler sounding signals. The sounding signals (Doppler records) are usually best correlated with the variations of the horizontal component of the geomagnetic field.
dcterms:title
Ionospheric oscillations caused by geomagnetic Pi2 pulsations and their observations by multipoint continuous Doppler sounding; first results Ionospheric oscillations caused by geomagnetic Pi2 pulsations and their observations by multipoint continuous Doppler sounding; first results
skos:prefLabel
Ionospheric oscillations caused by geomagnetic Pi2 pulsations and their observations by multipoint continuous Doppler sounding; first results Ionospheric oscillations caused by geomagnetic Pi2 pulsations and their observations by multipoint continuous Doppler sounding; first results
skos:notation
RIV/67985530:_____/09:00330328!RIV10-AV0-67985530
n3:aktivita
n15:Z n15:P
n3:aktivity
P(1QS300120506), P(GA205/06/0875), P(GA205/07/1367), P(IAA300420603), Z(AV0Z30120515), Z(AV0Z30420517)
n3:cisloPeriodika
6
n3:dodaniDat
n18:2010
n3:domaciTvurceVysledku
n14:8426473 n14:2580322
n3:druhVysledku
n17:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n9:predkladatel
n3:idSjednocenehoVysledku
320398
n3:idVysledku
RIV/67985530:_____/09:00330328
n3:jazykVysledku
n7:eng
n3:klicovaSlova
Magnetosphere–ionosphere interactions; Ionosphere irregularities; Geomagnetic pulsations; Doppler sounding; Magneto-hydrodynamic (ULF) waves
n3:klicoveSlovo
n4:Geomagnetic%20pulsations n4:Ionosphere%20irregularities n4:Doppler%20sounding n4:Magnetosphere%E2%80%93ionosphere%20interactions n4:Magneto-hydrodynamic%20%28ULF%29%20waves
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[50DF46858E12]
n3:nazevZdroje
Advances in Space Research
n3:obor
n16:BL
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
6
n3:projekt
n12:GA205%2F07%2F1367 n12:IAA300420603 n12:1QS300120506 n12:GA205%2F06%2F0875
n3:rokUplatneniVysledku
n18:2009
n3:svazekPeriodika
44
n3:tvurceVysledku
Hruška, František Chum, Jaroslav Burešová, Dalia Šindelářová, Tereza Hejda, Pavel Bochníček, Josef
n3:wos
000269594900004
n3:zamer
n11:AV0Z30420517 n11:AV0Z30120515
s:issn
0273-1177
s:numberOfPages
10