Articles | Volume 16, issue 15
https://doi.org/10.5194/bg-16-3069-2019
https://doi.org/10.5194/bg-16-3069-2019
Research article
 | 
13 Aug 2019
Research article |  | 13 Aug 2019

Estimating global gross primary productivity using chlorophyll fluorescence and a data assimilation system with the BETHY-SCOPE model

Alexander J. Norton, Peter J. Rayner, Ernest N. Koffi, Marko Scholze, Jeremy D. Silver, and Ying-Ping Wang

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Cited articles

Alton, P. B.: Decadal trends in photosynthetic capacity and leaf area index inferred from satellite remote sensing for global vegetation types, Agr. Forest Meteorol., 250-251, 361–375, https://doi.org/10.1016/j.agrformet.2017.11.020, 2018. a
Anav, A., Friedlingstein, P., Beer, C., Ciais, P., Harper, A., Jones, C., Murray-Tortarolo, G., Papale, D., Parazoo, N. C., Peylin, P., Piao, S., Sitch, S., Viovy, N., Wiltshire, A., and Zhao, M.: Spatiotemporal patterns of terrestrial gross primary production: A review, Rev. Geophys., 53, 785–818, https://doi.org/10.1002/2015RG000483, 2015. a, b, c, d
Bacour, C., Peylin, P., Macbean, N., Rayner, P. J., Delage, F., Chevallier, F., Weiss, M., Demarty, J., Santaren, D., Baret, F., Berveiller, D., Dufrêne, E., and Prunet, P.: Joint assimilation of eddy covariance flux measurements and FAPAR products over temperate forests within a process-oriented biosphere model, J. Geophys. Res.-Biogeo., 120, 1839–1857, https://doi.org/10.1002/2015JG002966, 2015. a
Badgley, G., Anderegg, L. D. L., Berry, J. A., and Field, C. B.: An ecologically based approach to terrestrial primary production, EarthArXiv, https://doi.org/10.31223/osf.io/s6t3z, 2018. a
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This study presents an estimate of global terrestrial photosynthesis. We make use of satellite chlorophyll fluorescence measurements, a visible indicator of photosynthesis, to optimize model parameters and estimate photosynthetic carbon uptake. This new framework incorporates nonlinear, process-based understanding of the link between fluorescence and photosynthesis, an advance on past approaches. This will aid in the utility of fluorescence to quantify terrestrial carbon cycle feedbacks.
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