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.

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Cited articles

Aurela M., Lohila A., Tuovinen J.-P., Hatakka J., Penttilä T., and Laurila, T.: Carbon dioxide and energy flux measurements in four northern-boreal ecosystems at Pallas, Boreal Env. Res., 20, 455–473, 2015.
Baker, N. R.: Chlorophyll fluorescence: A probe of photosynthesis in vivo, Annu. Rev. Plant Biol., 59, 89–113, 2008.
Bergh, J., McMurtrie, R. E., and Linder, S.: Climatic factors controlling the productivity of Norway spruce: a model-based analysis, Forest Ecol. Manag., 110, 127–139, 1998.
Bonan, G. B.: Forests and climate change: Forcings, feedbacks, and the climate benefits of forests, Science, 320, 1444–1449, 2008.
Böttcher K., Aurela, M., Kervinen, M., Markkanen, T., Mattila, O.-P., Kolari, P., Metsämäki, S., Aalto, T., Arslan, A., and Pulliainen, J.: MODIS time-series-derived indicators for the beginning of the growing season in boreal coniferous forest – A comparison with CO2 flux measurements and phenological observations in Finland, Remote Sens. Environ., 140, 625–638, 2014.
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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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