About: Comparison of CO2 and H2O fluxes over grassland vegetations measured by the eddy-covariance technique and by open system chamber

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About: Comparison of CO2 and H2O fluxes over grassland vegetations measured by the eddy-covariance technique and by open system chamber 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	Measurements of CO2 fluxes were carried out using two different techniques -eddy covariance (EC) and open system gas exchange chamber (OC) during two years period at three different grassland sites. OC measurements were made during fourteen measurements campaigns. We found good agreements between the OC and EC CO2 flux values (n=63, r2=0.5323, OC FCO2=-0.6408+0.9508EC). The OC FH2O values were consistently lower that those measured by the EC technique, probably caused by the air stream difference inside and outside the chamber. Adjusting flow rate within the chamber to the natural conditions would be necessary in future OC measurements. In comparison with EC, the OC proved to be a good tool for gas exchange measurements in grassland ecosystems. Measurements of CO2 fluxes were carried out using two different techniques -eddy covariance (EC) and open system gas exchange chamber (OC) during two years period at three different grassland sites. OC measurements were made during fourteen measurements campaigns. We found good agreements between the OC and EC CO2 flux values (n=63, r2=0.5323, OC FCO2=-0.6408+0.9508EC). The OC FH2O values were consistently lower that those measured by the EC technique, probably caused by the air stream difference inside and outside the chamber. Adjusting flow rate within the chamber to the natural conditions would be necessary in future OC measurements. In comparison with EC, the OC proved to be a good tool for gas exchange measurements in grassland ecosystems. (en)
Title	Comparison of CO2 and H2O fluxes over grassland vegetations measured by the eddy-covariance technique and by open system chamber Comparison of CO2 and H2O fluxes over grassland vegetations measured by the eddy-covariance technique and by open system chamber (en)
skos:prefLabel	Comparison of CO2 and H2O fluxes over grassland vegetations measured by the eddy-covariance technique and by open system chamber Comparison of CO2 and H2O fluxes over grassland vegetations measured by the eddy-covariance technique and by open system chamber (en)
skos:notation	RIV/67179843:_____/07:00083584!RIV11-AV0-67179843
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z60870520)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Marek, Michal Vladimír Acosta, Manuel
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	Centrum výzkumu globální změny AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	414304
http://linked.open...ai/riv/idVysledku	RIV/67179843:_____/07:00083584
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	CO2 and H2O fluxes; leaf area index; grassland; EC (en)
http://linked.open.../riv/klicoveSlovo	leaf area index CO2 and H2O fluxes grassland EC
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[EAF2EB4DCE1F]
http://linked.open...i/riv/nazevZdroje	Photosynthetica
http://linked.open...in/vavai/riv/obor	EH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	10 (xsd:int)
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	45
http://linked.open...iv/tvurceVysledku	Acosta, Manuel Balogh, J. Nagy, Z. Pintér, K. Marek, Michal V. Tuba, Z. Fóti, S. Czóbel, S. Péli, E. Csintalan, Z.
http://linked.open...ain/vavai/riv/wos	000247190100019
http://linked.open...n/vavai/riv/zamer	Spatial and functional dynamics of biological, ecological and socio-economic systems interacting with global climatic change
issn	0300-3604
number of pages	5 (xsd:int)

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