Articles | Volume 14, issue 7
Biogeosciences, 14, 1969–1987, 2017
https://doi.org/10.5194/bg-14-1969-2017
Biogeosciences, 14, 1969–1987, 2017
https://doi.org/10.5194/bg-14-1969-2017

Research article 11 Apr 2017

Research article | 11 Apr 2017

Modelling sun-induced fluorescence and photosynthesis with a land surface model at local and regional scales in northern Europe

Tea Thum et al.

Data sets

leaf level chlorophyll fluorescence data AVAA http://avaa.tdata.fi/web/smart/smear

The micrometeorological data and meteorological data AVAA http://avaa.tdata.fi/openida/dl.jsp?pid=urn:nbn:fi:csc-ida-2x201611242015017385197s

Meteorological and CO2 flux data for FI-Hyy P. Kolari http://avaa.tdata.fi/openida/dl.jsp?pid=urn:nbn:fi:csc-ida-2x201611242015017385197s

Model code and software

JSBACH model Max Planck Institute for Meteorology http://www.mpimet.mpg.de/en/science/models/license/

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Short summary
Modelling seasonal cycle at the coniferous forests poses a challenge. We implemented a model for sun-induced chlorophyll fluorescence (SIF) to a land surface model JSBACH. It was used to study the seasonality of the carbon cycle in the Fenno-Scandinavian region. Comparison was made to direct CO2 flux measurements and satellite observations of SIF. SIF proved to be a better proxy for photosynthesis than the fraction of absorbed photosynthetically active radiation.
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