Articles | Volume 19, issue 20
Research article
17 Oct 2022
Research article |  | 17 Oct 2022

Sun-induced fluorescence as a proxy for primary productivity across vegetation types and climates

Mark Pickering, Alessandro Cescatti, and Gregory Duveiller

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Short summary
This study explores two of the most recent products in carbon productivity estimation, FLUXCOM gross primary productivity (GPP), calculated by upscaling local measurements of CO2 exchange, and remotely sensed sun-induced chlorophyll a fluorescence (SIF). High-resolution SIF data are valuable in demonstrating similarity in the SIF–GPP relationship between vegetation covers, provide an independent probe of the FLUXCOM GPP model and demonstrate the response of SIF to meteorological fluctuations.
Final-revised paper