DIESEL

Developing Improved Estimations of Soil CO2 Effluxes at ecosystem Level

Coordinatore	UNIVERSIDAD DE GRANADA    more  Organization address address: CUESTA DEL HOSPICIO SN city: GRANADA postcode: 18071 contact info Titolo: Prof. Nome: María Dolores Cognome: Suárez Ortega Email: send email Telefono: +34 958248024 Fax: +34 958240886
Nazionalità Coordinatore	Spain [ES]
Totale costo	254˙474 €
EC contributo	254˙474 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-2013-IOF
Funding Scheme	MC-IOF
Anno di inizio	2015
Periodo (anno-mese-giorno)	2015-01-01   -   2017-12-31

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	UNIVERSIDAD DE GRANADA  Organization address address: CUESTA DEL HOSPICIO SN city: GRANADA postcode: 18071 contact info Titolo: Prof. Nome: María Dolores Cognome: Suárez Ortega Email: send email Telefono: +34 958248024 Fax: +34 958240886	ES (GRANADA)	coordinator	254˙474.10

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 Obiettivo del progetto (Objective)

'Most studies consider soil CO2 effluxes as directly corresponding to soil respiration. However, in the short term the soil CO2 efflux can deviate from instantaneous soil respiration whenever a change occurs in the amount of CO2 stored in the soil pore-spaces. Gaps in soil CO2 efflux measurements usually are filled using the soil temperature as a predictor. The relationship between soil temperature and soil CO2 efflux has been defined using exponential functions, most commonly the Arrhenius functions or Q10 models. However, growing evidence suggests that the soil CO2 efflux does not always follow the expected Arrhenius or Q10 temperature response; rather, soil CO2 effluxes show a hysteretic response. This hysteretic response has generated a growing call for deeper understanding of the different factors and processes limiting soil carbon metabolism and the soil CO2 efflux. The objective of this proposal is to use a combination of field and controlled environment experiments to identify and quantify the causes and consequences of temperature hysteresis and soil CO2 storage with regard to the soil CO2 efflux, which will lead to improved ecosystem models for regional-to-global carbon cycle quantification.'