Scaling carbon fluxes from eddy covariance sites to globe: Synthesis and evaluation of the FLUXCOM approach

FLUXNET comprises globally distributed eddycovariance-based estimates of carbon fluxes between the biosphere and the atmosphere. Since eddy covariance flux towers have a relatively small footprint and are distributed unevenly across the world, upscaling the observations is necessary to obtain global-scale estimates of biosphere- atmosphere exchange. Based on cross-consistency checks with atmospheric inversions, sun-induced fluorescence (SIF) and dynamic global vegetation models (DGVMs), here we provide a systematic assessment of the latest upscaling efforts for gross primary production (GPP) and net ecosystem exchange (NEE) of the FLUXCOM initiative, where different machine learning methods, forcing data sets and sets of predictor variables were employed.

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Author Jung, Martin
Schwalm, Christopher
Migliavacca, Mirco
Walther, Sophia
Camps-Valls, Gustau
Koirala, Sujan
Anthoni, Peter
Besnard, Simon
Bodesheim, Paul
Carvalhais, Nuno
Chevallier, Frédéric
Gans, Fabian
Goll, Daniel S.
Haverd, Vanessa
Köhler, Philipp
Ichii, Kazuhito
Jain, Atul K.
Liu, Junzhi
Lombardozzi, Danica
Nabel, Julia E. M. S.
Nelson, Jacob A.
O'Sullivan, Michael
Pallandt, Martijn
Papale, Dario
Peters, Wouter
Pongratz, Julia
Rödenbeck, Christian
Sitch, Stephen
Tramontana, Gianluca
Walker, Anthony
Weber, Ulrich
Reichstein, Markus
Publisher UCAR/NCAR - Library
Publication Date 2020-03-16T00:00:00
Digital Object Identifier (DOI) Not Assigned
Alternate Identifier N/A
Resource Version N/A
Topic Category geoscientificInformation
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Metadata Date 2023-08-18T18:35:12.436434
Metadata Record Identifier edu.ucar.opensky::articles:23220
Metadata Language eng; USA
Suggested Citation Jung, Martin, Schwalm, Christopher, Migliavacca, Mirco, Walther, Sophia, Camps-Valls, Gustau, Koirala, Sujan, Anthoni, Peter, Besnard, Simon, Bodesheim, Paul, Carvalhais, Nuno, Chevallier, Frédéric, Gans, Fabian, Goll, Daniel S., Haverd, Vanessa, Köhler, Philipp, Ichii, Kazuhito, Jain, Atul K., Liu, Junzhi, Lombardozzi, Danica, Nabel, Julia E. M. S., Nelson, Jacob A., O'Sullivan, Michael, Pallandt, Martijn, Papale, Dario, Peters, Wouter, Pongratz, Julia, Rödenbeck, Christian, Sitch, Stephen, Tramontana, Gianluca, Walker, Anthony, Weber, Ulrich, Reichstein, Markus. (2020). Scaling carbon fluxes from eddy covariance sites to globe: Synthesis and evaluation of the FLUXCOM approach. UCAR/NCAR - Library. http://n2t.net/ark:/85065/d72n55gj. Accessed 28 July 2025.

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