About: Effect of measurement time of the day on the relationship between temperature and soil CO2 Efflux

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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	In this study we investigated effect of the time of the day when manual measurements of soil CO2 efflux are performed on estimates of seasonal sums of released carbon from the soil. We subsampled continuous measurement of soil CO2 efflux into six sets of data– 0 h, 4 h, 8 h, 12 h, 16 h and 20 h. To estimate seasonal carbon flux from the soil we used continuously measured soil temperature and parameters R10 and Q10 calculated from continuous measurements and from measurements taken at individual hours. Q10 calculated from 12 h and 16 h data were lower than Q10 calculated from continuous measurements. On the contrary, Q10 at 0 h, 4 h, 8 h and 20 h were higher.Seasonal carbon flux from the soil based on 0 h, 4 h and 8 h measurements was overestimated compare to the flux calculated from continuous measurements. On the contrary, measurements at 12 h, 16 h and 20 h measurements underestimated the carbon flux. The under- or overestimation was significant for 0 h, 4 h, 8 h and 20 h data sets. In this study we investigated effect of the time of the day when manual measurements of soil CO2 efflux are performed on estimates of seasonal sums of released carbon from the soil. We subsampled continuous measurement of soil CO2 efflux into six sets of data– 0 h, 4 h, 8 h, 12 h, 16 h and 20 h. To estimate seasonal carbon flux from the soil we used continuously measured soil temperature and parameters R10 and Q10 calculated from continuous measurements and from measurements taken at individual hours. Q10 calculated from 12 h and 16 h data were lower than Q10 calculated from continuous measurements. On the contrary, Q10 at 0 h, 4 h, 8 h and 20 h were higher.Seasonal carbon flux from the soil based on 0 h, 4 h and 8 h measurements was overestimated compare to the flux calculated from continuous measurements. On the contrary, measurements at 12 h, 16 h and 20 h measurements underestimated the carbon flux. The under- or overestimation was significant for 0 h, 4 h, 8 h and 20 h data sets. (en)
Title	Effect of measurement time of the day on the relationship between temperature and soil CO2 Efflux Effect of measurement time of the day on the relationship between temperature and soil CO2 Efflux (en)
skos:prefLabel	Effect of measurement time of the day on the relationship between temperature and soil CO2 Efflux Effect of measurement time of the day on the relationship between temperature and soil CO2 Efflux (en)
skos:notation	RIV/67179843:_____/11:00366890!RIV12-MZP-67179843
http://linked.open...avai/predkladatel	Centrum výzkumu globální změny AV ČR v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(SP/2D1/70/08), Z(AV0Z60870520)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Pavelka, Marian Dařenová, Eva Janouš, Dalibor
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	196346
http://linked.open...ai/riv/idVysledku	RIV/67179843:_____/11:00366890
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	soil CO2 efflux; R10; Q10; Picea abies; seasonal carbon flux (en)
http://linked.open.../riv/klicoveSlovo	Picea abies Q10 R10 seasonal carbon flux soil CO2 efflux
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[C5FDFB97DA3B]
http://linked.open...i/riv/nazevZdroje	Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis
http://linked.open...in/vavai/riv/obor	EH
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	ForChange - forest ecosystems status and changes indication related to the global change based on anylysis ecophysiological processes and remote sensing
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	59
http://linked.open...iv/tvurceVysledku	Dařenová, Eva Janouš, Dalibor Pavelka, Marian
http://linked.open...n/vavai/riv/zamer	Spatial and functional dynamics of biological, ecological and socio-economic systems interacting with global climatic change
issn	1211-8516
number of pages	7 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Effect of measurement time of the day on the relationship between temperature and soil CO2 Efflux Effect of measurement time of the day on the relationship between temperature and soil CO2 Efflux

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