About: The Phanerozoic delta 88/86Sr Record of Seawater: New Constraints on Past Changes in Oceanic Carbonate Fluxes

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About: The Phanerozoic delta 88/86Sr Record of Seawater: New Constraints on Past Changes in Oceanic Carbonate Fluxes Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The isotopic composition of Phanerozoic marine sediments provides important information about changes in seawater chemistry. In particular, the radiogenicstrontium isotope (87Sr/86Sr) system is a powerful tool for constraining plate tectonic processes and their influence on atmospheric CO2 concentrations. However, the 87Sr/86Sr isotope ratio of seawater is not sensitive to temporal changes in the marine strontium (Sr) output flux, which is primarily controlled by the burial of calcium carbonate (CaCO3) at the ocean floor. The Sr budget of the Phanerozoic ocean, including the associated changes in the amount of CaCO3 burial, is therefore only poorly constrained. Here, we present the first stable isotope record of Sr for Phanerozoic skeletal carbonates, and by inference for Phanerozoic seawater (delta 88/86Srsw), which we find to be sensitive to imbalances in the Sr input and output fluxes. This delta 88/86Srsw record varies from ~0,25 to 0,60 (vs. SRM987) with a mean of 0,37. The fractionation fa The isotopic composition of Phanerozoic marine sediments provides important information about changes in seawater chemistry. In particular, the radiogenicstrontium isotope (87Sr/86Sr) system is a powerful tool for constraining plate tectonic processes and their influence on atmospheric CO2 concentrations. However, the 87Sr/86Sr isotope ratio of seawater is not sensitive to temporal changes in the marine strontium (Sr) output flux, which is primarily controlled by the burial of calcium carbonate (CaCO3) at the ocean floor. The Sr budget of the Phanerozoic ocean, including the associated changes in the amount of CaCO3 burial, is therefore only poorly constrained. Here, we present the first stable isotope record of Sr for Phanerozoic skeletal carbonates, and by inference for Phanerozoic seawater (delta 88/86Srsw), which we find to be sensitive to imbalances in the Sr input and output fluxes. This delta 88/86Srsw record varies from ~0,25 to 0,60 (vs. SRM987) with a mean of 0,37. The fractionation fa (en)
Title	The Phanerozoic delta 88/86Sr Record of Seawater: New Constraints on Past Changes in Oceanic Carbonate Fluxes The Phanerozoic delta 88/86Sr Record of Seawater: New Constraints on Past Changes in Oceanic Carbonate Fluxes (en)
skos:prefLabel	The Phanerozoic delta 88/86Sr Record of Seawater: New Constraints on Past Changes in Oceanic Carbonate Fluxes The Phanerozoic delta 88/86Sr Record of Seawater: New Constraints on Past Changes in Oceanic Carbonate Fluxes (en)
skos:notation	RIV/60460709:41330/14:61222!RIV15-MSM-41330___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	128
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Farkaš, Juraj
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	Česká zemědělská univerzita v Praze / Fakulta životního prostředí
http://linked.open...dnocenehoVysledku	36369
http://linked.open...ai/riv/idVysledku	RIV/60460709:41330/14:61222
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Phanerozoic, seawater, alkaline earth metals, isotopes, global, element, oceanic, cycles (en)
http://linked.open.../riv/klicoveSlovo	alkaline earth metals seawater element isotopes oceanic global cycles Phanerozoic
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[5012DCC80137]
http://linked.open...i/riv/nazevZdroje	GEOCHIMICA ET COSMOCHIMICA ACTA
http://linked.open...in/vavai/riv/obor	DD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	11 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	2014
http://linked.open...iv/tvurceVysledku	Farkaš, Juraj Böhm, Florian Eisenhauer, Anton Fietzke, Jan Krabbenhöft, André Liebetrau, Volker Raddatz, Jacek Tomašových, Adam Veizer, Ján Vollstaedt, Hauke Wallmann, Klaus
http://linked.open...ain/vavai/riv/wos	000331105700017
issn	0016-7037
number of pages	17 (xsd:int)
http://localhost/t...ganizacniJednotka	41330

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