Marine particles and their remineralization buffer future ocean biogeochemistry response to climate warming

Maerz, Joeran; Six, Katharina D.; Ahmerkamp, Soeren; Ilyina, Tatiana

doi:10.5194/bg-23-1897-2026

Articles | Volume 23, issue 5

https://doi.org/10.5194/bg-23-1897-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-23-1897-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 23, issue 5

Research article

|

11 Mar 2026

Research article |

| 11 Mar 2026

Marine particles and their remineralization buffer future ocean biogeochemistry response to climate warming

Joeran Maerz, Katharina D. Six, Soeren Ahmerkamp, and Tatiana Ilyina

Data sets

Data and Scripts for "Marine particles and their remineralization buffer future ocean biogeochemistry response to climate warming" Joeran Maerz https://doi.org/10.17617/3.UPQW7H

Model code and software

Data and Scripts for "Marine particles and their remineralization buffer future ocean biogeochemistry response to climate warming" Joeran Maerz https://doi.org/10.17617/3.UPQW7H

MPI-ESM 1.2.01p7 Model Development Team Max-Planck-Institut für Meterologie} https://doi.org/10.17617/3.H44EN5

Short summary

CO₂ taken up by marine algae can escape ocean surface waters through subsequent particle formation and sinking. Representing this biological carbon pump (BCP) in Earth system models remains challenging and poses uncertainties for future projections. We show that an advanced BCP representation regionally buffers ocean biogeochemistry compared to a classical approach while both respond globally similar to climate warming. Particle microstructure turns out as a key uncertainty for sinking fluxes.