Articles | Volume 17, issue 7
Biogeosciences, 17, 1765–1803, 2020
https://doi.org/10.5194/bg-17-1765-2020
Biogeosciences, 17, 1765–1803, 2020
https://doi.org/10.5194/bg-17-1765-2020

Research article 03 Apr 2020

Research article | 03 Apr 2020

Microstructure and composition of marine aggregates as co-determinants for vertical particulate organic carbon transfer in the global ocean

Joeran Maerz 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) (03 Feb 2020) by Carolin Löscher
AR by Joeran Maerz on behalf of the Authors (05 Feb 2020)  Author's response    Manuscript
ED: Publish as is (17 Feb 2020) by Carolin Löscher

Post-review adjustments

AA: Author's adjustment | EA: Editor approval
AA by Joeran Maerz on behalf of the Authors (31 Mar 2020)   Author's adjustment   Manuscript
EA: Adjustments approved (02 Apr 2020) by Carolin Löscher
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Short summary
Marine micro-algae bind carbon dioxide, CO2. During their decay, snowflake-like aggregates form that sink, remineralize and transport organically bound CO2 to depth; this is referred to as the biological carbon pump. In our model study, we elucidate how variable aggregate composition impacts the global pattern of vertical carbon fluxes. Our mechanistic model approach advances the representation of the global biological carbon pump and promotes a more realistic projection under climate change.
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