About: Estimation of long-term trends in the tropospheric 14CO2 activity concentration

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About: Estimation of long-term trends in the tropospheric 14CO2 activity concentration Goto Sponge NotDistinct Permalink

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	Fossil CO2 emissions have been diluting the global 14C/C ratio of atmospheric CO2 (Suess effect). We estimated the 14CO2 amount in the atmosphere (and its trend) utilizing the calculated 14CO2 activity concentration in the atmosphere (aacn, reported in mBq m–3). This parameter, calculated from Δ14CO2 and the CO2 mixing ratio (reported in micromoles of CO2 per mole of air), is connected with the 14CO2 quantity in the volume or mass unit of air, which is not influenced by the Suess effect. This parameter can only be influenced by processes linked to 14CO2 emissions/uptake, e.g. associated with atmosphere-biosphere or atmosphere-ocean CO2 exchange as well as by anthropogenic emissions of 14CO2. Results obtained from measurements at Schauinsland station, Germany, indicate a stable amount of 14CO2 in the atmosphere since the early 1990s, which is a tracer for atmospheric CO2. Fossil CO2 emissions have been diluting the global 14C/C ratio of atmospheric CO2 (Suess effect). We estimated the 14CO2 amount in the atmosphere (and its trend) utilizing the calculated 14CO2 activity concentration in the atmosphere (aacn, reported in mBq m–3). This parameter, calculated from Δ14CO2 and the CO2 mixing ratio (reported in micromoles of CO2 per mole of air), is connected with the 14CO2 quantity in the volume or mass unit of air, which is not influenced by the Suess effect. This parameter can only be influenced by processes linked to 14CO2 emissions/uptake, e.g. associated with atmosphere-biosphere or atmosphere-ocean CO2 exchange as well as by anthropogenic emissions of 14CO2. Results obtained from measurements at Schauinsland station, Germany, indicate a stable amount of 14CO2 in the atmosphere since the early 1990s, which is a tracer for atmospheric CO2. (en)
Title	Estimation of long-term trends in the tropospheric 14CO2 activity concentration Estimation of long-term trends in the tropospheric 14CO2 activity concentration (en)
skos:prefLabel	Estimation of long-term trends in the tropospheric 14CO2 activity concentration Estimation of long-term trends in the tropospheric 14CO2 activity concentration (en)
skos:notation	RIV/61389005:_____/10:00346298!RIV11-AV0-61389005
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z10480505)
http://linked.open...iv/cisloPeriodika	2-3
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Světlík, Ivo
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	Ústav jaderné fyziky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	257559
http://linked.open...ai/riv/idVysledku	RIV/61389005:_____/10:00346298
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	14CO2; activity concentration; greenhouse gasses; fossil fuel combustion (en)
http://linked.open.../riv/klicoveSlovo	14CO2 fossil fuel combustion greenhouse gasses activity concentration
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[40CEB850FBEC]
http://linked.open...i/riv/nazevZdroje	Radiocarbon
http://linked.open...in/vavai/riv/obor	DG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	52
http://linked.open...iv/tvurceVysledku	Meinhardt, F. Simon, J. Světlík, Ivo Michálek, V. Povinec, P. P. Molnár, M. Svingor, E.
http://linked.open...ain/vavai/riv/wos	000285437800063
http://linked.open...n/vavai/riv/zamer	Jaderná fyzika a příbuzné obory v základním, aplikovaném a interdisciplinárním výzkumu
issn	0033-8222
number of pages	8 (xsd:int)

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