Solar-induced fluorescence satellite data in the land assimilation system
Garrigues, Sébastien ; Rosnay, Patricia de ; Weston, Peter ; Rüdiger, Christoph ; Fairbairn, David ; Pinnington, Ewan ; Boussetta, Souhail ; Agusti-Panareda, Anna ; Engelen, Richard ; Vanderbecken, Pierre ; Calvet, Jean-Christophe
Land carbon fluxes represent the largest sources of uncertainties in the global carbon budget. Improving the estimation of their spatial and temporal variability is therefore crucial for the global monitoring of anthropogenic CO<sub>2</sub> emissions in the framework of the future Copernicus CO<sub>2</sub> Monitoring and Verification Support (CO2MVS) service. The Gross Primary Productivity (GPP), which is the largest biogenic carbon flux, is difficult to model due to the complexity of the processes involved and the lack of direct observations. One of the objectives of the EU-funded CO2MVS Research on Supplementary Observations (CORSO) project is to exploit new types of Earth observations, such as solar-induced chlorophyll fluorescence (SIF), in land data assimilation systems to improve the prediction of GPP in Earth system models.</p>
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