About: Chamber techniques versus eddy covariance method during nighttime measurements

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The parameter Q10 is commonly used to express the relationship between soil CO2 efflux and soil temperature. Soil surface CO2 efflux and soil temperature at different depths were measured in a 21-year-old Norway spruce stand and a mountain grassland site (Bily Kriz, Beskydy Mts., Czech Republic), using automated gasometric systems. A time-delay and goodness-of-fit between soil CO2 efflux and soil temperature at different measuring depths were determined. Wide ranges of values for the time-delay of CO2 efflux in response to temperature, Q10 and the determination coefficient (R2) between CO2 efflux and temperature were obtained. The values of Q10 and the CO2 time-delay increased with depth of soil temperature measurement point, while the R2 of the CO2-temperature relationship significantly decreased. Measurement of soil temperature at very shallow soil layer, preferably at the soil surface, is highly recommended to determine useable values of Q10. The parameter Q10 is commonly used to express the relationship between soil CO2 efflux and soil temperature. Soil surface CO2 efflux and soil temperature at different depths were measured in a 21-year-old Norway spruce stand and a mountain grassland site (Bily Kriz, Beskydy Mts., Czech Republic), using automated gasometric systems. A time-delay and goodness-of-fit between soil CO2 efflux and soil temperature at different measuring depths were determined. Wide ranges of values for the time-delay of CO2 efflux in response to temperature, Q10 and the determination coefficient (R2) between CO2 efflux and temperature were obtained. The values of Q10 and the CO2 time-delay increased with depth of soil temperature measurement point, while the R2 of the CO2-temperature relationship significantly decreased. Measurement of soil temperature at very shallow soil layer, preferably at the soil surface, is highly recommended to determine useable values of Q10. (en)
Title	Chamber techniques versus eddy covariance method during nighttime measurements Chamber techniques versus eddy covariance method during nighttime measurements (en)
skos:prefLabel	Chamber techniques versus eddy covariance method during nighttime measurements Chamber techniques versus eddy covariance method during nighttime measurements (en)
skos:notation	RIV/67179843:_____/07:00341976!RIV11-MZP-67179843
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(SM/630/2/03), P(SM/640/18/03), Z(AV0Z60870520)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Pavelka, Marian Janouš, Dalibor Acosta, Manuel Sedlák, Pavel Czerný, Radek Taufarová, Klára
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
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	413189
http://linked.open...ai/riv/idVysledku	RIV/67179843:_____/07:00341976
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Eddy covariance; Friction velocity; chamber; grassland; net radiation (en)
http://linked.open.../riv/klicoveSlovo	net radiation Friction velocity grassland Eddy covariance chamber
http://linked.open...ontrolniKodProRIV	[5ABB771F462D]
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	CzechCarbo - Carbon cycle study focused on the terrestrical ecosystems in the Czech republic in connection on the CARBOEUROPE project Red book of biotops for Czech Republic
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Acosta, Manuel Janouš, Dalibor Pavelka, Marian Sedlák, Pavel Taufarová, Klára Czerný, Radek
http://linked.open...n/vavai/riv/zamer	Spatial and functional dynamics of biological, ecological and socio-economic systems interacting with global climatic change

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