About: Ionospheric oscillations caused by geomagnetic Pi2 pulsations and their observations by multipoint continuous Doppler sounding; first results

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
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 (en)
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 (en)
skos:notation	RIV/67985530:_____/09:00330328!RIV10-AV0-67985530
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1QS300120506), P(GA205/06/0875), P(GA205/07/1367), P(IAA300420603), Z(AV0Z30120515), Z(AV0Z30420517)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Hejda, Pavel Bochníček, 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	Geofyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	320398
http://linked.open...ai/riv/idVysledku	RIV/67985530:_____/09:00330328
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Magnetosphere–ionosphere interactions; Ionosphere irregularities; Geomagnetic pulsations; Doppler sounding; Magneto-hydrodynamic (ULF) waves (en)
http://linked.open.../riv/klicoveSlovo	Geomagnetic pulsations Doppler sounding Ionosphere irregularities Magneto-hydrodynamic (ULF) waves Magnetosphere–ionosphere interactions
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[50DF46858E12]
http://linked.open...i/riv/nazevZdroje	Advances in Space Research
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Modeling of the cold plasma in the Earth upper atmopshere and magnetosphere Infrasound waves in the ionosphere and thermosphere Development of methods for space weather forecasts and impacts of space weather on the ionosphere-atmosphere system Solar wind events as predictors of geomagnetic response
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	44
http://linked.open...iv/tvurceVysledku	Burešová, Dalia Chum, Jaroslav Hruška, František Hejda, Pavel Bochníček, Josef Šindelářová, Tereza
http://linked.open...ain/vavai/riv/wos	000269594900004
http://linked.open...n/vavai/riv/zamer	Study of the internal structure and dynamics of the Earth Studium atmosférického obalu Země v interakci s pozemskými a kosmickými vlivy
issn	0273-1177
number of pages	10 (xsd:int)
is http://linked.open...avai/riv/vysledek of	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 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

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