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|Title:||On the Separation of Net Ecosystem Exchange into Assimilation and Ecosystem Respiration: Review and Improved Algorithm|
|Authors:||REICHSTEIN Markus; FALGE Eva; BALDOCCHI Dennis; MATTEUCCI Giorgio; SEUFERT GUENTHER|
|Citation:||GLOBAL CHANGE BIOLOGY vol. 11 p. 1-16|
|Publisher:||BLACKWELL PUBL LTD|
|JRC Publication N°:||JRC32507|
|Type:||Articles in Journals|
|Abstract:||This paper discusses the advantages and disadvantages of the different methods that separate net ecosystem exchange (NEE) into its major components, gross ecosystem carbon uptake (GEP) and ecosystem respiration (Reco). In particular, we analyse the effect of the extrapolation of night-time values of ecosystem respiration into the daytime; this is usually done with a temperature response function that is derived from long-term data sets. For this analysis, we used 16 one-year-long data sets of carbon dioxide exchange measurements from European and US-American eddy covariance networks. These sites span from the boreal to Mediterranean climates, and include deciduous and evergreen forest, scrubland and crop ecosystems.|
|JRC Institute:||Institute for Environment and Sustainability|
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