Biogeosciences
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Articles | Volume 12, issue 13
Articles | Volume 12, issue 13
https://doi.org/10.5194/bg-12-4067-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-12-4067-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 12, issue 13
Research article
 | 
07 Jul 2015
Research article |  | 07 Jul 2015

Investigating the usefulness of satellite-derived fluorescence data in inferring gross primary productivity within the carbon cycle data assimilation system

E. N. Koffi, P. J. Rayner, A. J. Norton, C. Frankenberg, and M. Scholze

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Short summary
We investigate the utility of satellite measurements of solar-induced chlorophyll fluorescence (SIF) in constraining gross primary productivity (GPP). We simulate SIF with the biosphere model BETHY coupled with the fluorescence model SCOPE. The model simulates well the patterns of SIF. SIF is sensitive to leaf chlorophyll and incoming radiation but not to the key physiological parameter Vcmax controlling GPP. Thus, further model development is necessary before SIF can be used to constrain GPP.
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