About: Magnetic record associated with tree ring density: Possible climate proxy

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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	A magnetic signature of tree rings was tested as a potential paleo-climatic indicator. We examined wood from sequoia tree, located in Mountain Home State Forest, California, whose tree ring record spans over the period 600 – 1700 A.D. We measured low and high-field magnetic susceptibility, the natural remanent magnetization (NRM), saturation isothermal remanent magnetization (SIRM), and stability against thermal and alternating field (AF) demagnetization.The mineralogical nature of the remanence carrier was not directly detected but maghemite is suggested due to low coercivity and absence of Verwey transition.Tree ring density, along with the wood's magnetic remanence efficiency, records the Little Ice Age (LIA) well documented in Europe. Such a record suggests that the European LIA was a global phenomenon. A magnetic signature of tree rings was tested as a potential paleo-climatic indicator. We examined wood from sequoia tree, located in Mountain Home State Forest, California, whose tree ring record spans over the period 600 – 1700 A.D. We measured low and high-field magnetic susceptibility, the natural remanent magnetization (NRM), saturation isothermal remanent magnetization (SIRM), and stability against thermal and alternating field (AF) demagnetization.The mineralogical nature of the remanence carrier was not directly detected but maghemite is suggested due to low coercivity and absence of Verwey transition.Tree ring density, along with the wood's magnetic remanence efficiency, records the Little Ice Age (LIA) well documented in Europe. Such a record suggests that the European LIA was a global phenomenon. (en) Magnetický záznam v letokruzích sekvoje (staré 600 – 1700 let) z Kalifornie, byl sledován jako potencialně možny paleoklimatický indikátor. Naměřené parametry magnetické susceptibility, přirozené a sycené remanentní magnetizace, včetně hodnot demagnetizace střídavým a tepelným polem byly vzájemně korelovány. Nositelem remanence byl zjištěn maghemit s nízkou koercitivní silou. Ukázalo se, že projev malé doby ledové (1300-1850 let) zjištěný na sekvoji z oblasti Kalifornie je globálního charakteru, neboť její záznam byl zjištěn také v Evropě. (cs)
Title	Magnetic record associated with tree ring density: Possible climate proxy Magnetic record associated with tree ring density: Possible climate proxy (en) Magnetický záznam spojený s hustotou letorostů: Možnost klimatického záznamu (cs)
skos:prefLabel	Magnetic record associated with tree ring density: Possible climate proxy Magnetic record associated with tree ring density: Possible climate proxy (en) Magnetický záznam spojený s hustotou letorostů: Možnost klimatického záznamu (cs)
skos:notation	RIV/67985831:_____/07:00087276!RIV08-AV0-67985831
http://linked.open.../vavai/riv/strany	1;11
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z3013912)
http://linked.open...iv/cisloPeriodika	-
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Kletetschka, Günther Pruner, Petr Kadlec, Jaroslav Venhodová, Daniela
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	Geologický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	431679
http://linked.open...ai/riv/idVysledku	RIV/67985831:_____/07:00087276
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	palaeo-climatic indicator; sequoia tree; magnetic properties (en)
http://linked.open.../riv/klicoveSlovo	palaeo-climatic indicator sequoia tree magnetic properties
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[8767749D75DE]
http://linked.open...i/riv/nazevZdroje	Geochemical Transactions
http://linked.open...in/vavai/riv/obor	DB
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	8
http://linked.open...iv/tvurceVysledku	Kletetschka, Günther Kadlec, Jaroslav Pruner, Petr Venhodová, Daniela
http://linked.open...n/vavai/riv/zamer	Vývoj litosféry a přírodního prostředí od nejstarší geologické minulosti do současnosti
issn	1467-4866
number of pages	11 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Magnetic record associated with tree ring density: Possible climate proxy Magnetic record associated with tree ring density: Possible climate proxy Magnetic record associated with tree ring density: Possible climate proxy

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