Articles | Volume 15, issue 13
https://doi.org/10.5194/bg-15-4003-2018
https://doi.org/10.5194/bg-15-4003-2018
Research article
 | 
03 Jul 2018
Research article |  | 03 Jul 2018

Inferring the effects of sink strength on plant carbon balance processes from experimental measurements

Kashif Mahmud, Belinda E. Medlyn, Remko A. Duursma, Courtney Campany, and Martin G. De Kauwe

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (01 May 2018) by Sönke Zaehle
AR by Kashif Mahmud on behalf of the Authors (22 May 2018)
ED: Publish subject to minor revisions (review by editor) (04 Jun 2018) by Sönke Zaehle
AR by Kashif Mahmud on behalf of the Authors (13 Jun 2018)  Author's response   Manuscript 
ED: Publish as is (15 Jun 2018) by Sönke Zaehle
AR by Kashif Mahmud on behalf of the Authors (20 Jun 2018)  Author's response   Manuscript 
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Short summary
A major limitation of current terrestrial vegetation models is that we do not know how to model C balance processes under sink-limited conditions. To address this limitation, we applied data assimilation of a simple C balance model to a manipulative experiment in which sink limitation was induced with low rooting volume. Our analysis framework allowed us to infer that, in addition to a feedback on photosynthetic rates, the reduction in growth was effected by other C balance processes.
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