About: Variations in solar and geomagnetic activity with periods near to 1.3 year

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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	It is known that solar wind velocity fluctuates regularly with a period of about 1.3 years. This periodicity (and other signals with periods near to 1.1 and 0.9 years) has also been observed in biological data. The variation is a temporary feature, mostly being observed in the early 1990s. Here, the occurrence of these periodic signals in solar and geomagnetic activity between 1932 and 2005 has been investigated. The signal with 1.3 year period is present in geomagnetic activity only in a short interval after 1990 and to a lesser extent around 1942. At other times the signal is very weak or not present at all. Other periods are much lower amplitude and appear only sporadically throughout the time investigated. It is known that solar wind velocity fluctuates regularly with a period of about 1.3 years. This periodicity (and other signals with periods near to 1.1 and 0.9 years) has also been observed in biological data. The variation is a temporary feature, mostly being observed in the early 1990s. Here, the occurrence of these periodic signals in solar and geomagnetic activity between 1932 and 2005 has been investigated. The signal with 1.3 year period is present in geomagnetic activity only in a short interval after 1990 and to a lesser extent around 1942. At other times the signal is very weak or not present at all. Other periods are much lower amplitude and appear only sporadically throughout the time investigated. (en)
Title	Variations in solar and geomagnetic activity with periods near to 1.3 year Variations in solar and geomagnetic activity with periods near to 1.3 year (en)
skos:prefLabel	Variations in solar and geomagnetic activity with periods near to 1.3 year Variations in solar and geomagnetic activity with periods near to 1.3 year (en)
skos:notation	RIV/67985530:_____/09:00330243!RIV10-AV0-67985530
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA300120608), Z(AV0Z30120515)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Střeštík, Jaroslav
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	348492
http://linked.open...ai/riv/idVysledku	RIV/67985530:_____/09:00330243
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	transyear variation; geomagnetic activity; solar activity; wavelet analysis (en)
http://linked.open.../riv/klicoveSlovo	transyear variation geomagnetic activity solar activity wavelet analysis
http://linked.open...odStatuVydavatele	PL - Polská republika
http://linked.open...ontrolniKodProRIV	[B9A7B52614BD]
http://linked.open...i/riv/nazevZdroje	Central European Journal of Geosciences
http://linked.open...in/vavai/riv/obor	DE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Long-term and short-term variations of the geomagnetic field: data acquisition, analyses and forecasts
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	1
http://linked.open...iv/tvurceVysledku	Střeštík, Jaroslav
http://linked.open...n/vavai/riv/zamer	Study of the internal structure and dynamics of the Earth
issn	1896-1517
number of pages	5 (xsd:int)

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