Articles | Volume 18, issue 1
Biogeosciences, 18, 229–250, 2021
https://doi.org/10.5194/bg-18-229-2021
Biogeosciences, 18, 229–250, 2021
https://doi.org/10.5194/bg-18-229-2021

Research article 14 Jan 2021

Research article | 14 Jan 2021

Variable particle size distributions reduce the sensitivity of global export flux to climate change

Shirley W. Leung et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (20 Aug 2020) by Christoph Heinze
AR by Shirley Leung on behalf of the Authors (27 Oct 2020)  Author's response    Manuscript
ED: Publish as is (11 Nov 2020) by Christoph Heinze
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Short summary
A global model is constrained with empirical relationships to quantify how shifts in sinking-particle sizes modulate particulate organic carbon export production changes in a warming ocean. Including the effect of dynamic particle sizes on remineralization reduces the magnitude of predicted 100-year changes in export production by ~14 %. Projections of future export could thus be improved by considering dynamic phytoplankton and particle-size-dependent remineralization depths.
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