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dc.contributor.authorREICHSTEIN Markusen_GB
dc.contributor.authorPAPALE Darioen_GB
dc.contributor.authorVALENTINI Riccardoen_GB
dc.contributor.authorAUBINET Marcen_GB
dc.contributor.authorBERNHOFER Christianen_GB
dc.contributor.authorKNOHL Alexanderen_GB
dc.contributor.authorLAURILA Tuomasen_GB
dc.contributor.authorLINDROTH Andersen_GB
dc.contributor.authorMOORS Eddyen_GB
dc.contributor.authorPILEGAARD Kimen_GB
dc.contributor.authorSEUFERT GUENTHERen_GB
dc.date.accessioned2010-02-25T14:33:30Z-
dc.date.available2007-02-27en_GB
dc.date.available2010-02-25T14:33:30Z-
dc.date.issued2007en_GB
dc.date.submitted2007-01-31en_GB
dc.identifier.citationGEOPHYSICAL RESEARCH LETTERS vol. 34 p. L014021en_GB
dc.identifier.urihttp://publications.jrc.ec.europa.eu/repository/handle/JRC34971-
dc.description.abstractPioneering work in the last century has resulted in a widely accepted paradigm that primary production is strongly positively related to temperature and water availability.This has lead to the hypothesis that with global warming the northern hemispheric forest ecosystems may increase their net carbon sink. However, terrestrial carbon sink at ecosystem level (NEP) is depending on the net balance between assimilation (GPP) and ecosystem respiration of carbon (TER). Both parts of the carbon balance have been shown to be very sensitive to climate recently, in the context of heatwaves or gradual temperature increases. Through an analysis of nearly 100 annual pan-European eddy covariance flux data sets we find that the common climate relationships for primary production do not hold for NEP. We can explain this behavior by the parallel decrease of respiration when climatic factors become limiting gross primary production. In particular, water availability has an effect in addition to GPP on net carbon balance while the multivariate effect of mean annual temperature is small and not significant. These results indicate that temperature-based projections of net carbon balance may be misleading and delicate interactions between water-carbon cycle interactions should be scrutinized before predictions of net effects of climate change on northern hemisphere can be reliably performed.en_GB
dc.description.sponsorshipJRC.H.2-Climate changeen_GB
dc.format.mediumPrinteden_GB
dc.languageENGen_GB
dc.publisherAMER GEOPHYSICAL UNIONen_GB
dc.relation.ispartofseriesJRC34971en_GB
dc.titleDeterminants of Terrestrial Ecosystem Carbon Balance Inferred from European Eddy Covariance Flux Sitesen_GB
dc.typeArticles in periodicals and booksen_GB
JRC Directorate:Sustainable Resources

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