Articles | Volume 18, issue 1
https://doi.org/10.5194/bg-18-229-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-18-229-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Variable particle size distributions reduce the sensitivity of global export flux to climate change
School of Oceanography, University of Washington, Seattle, 98195, USA
Thomas Weber
School of Oceanography, University of Washington, Seattle, 98195, USA
School of Arts and Sciences, University of Rochester, Rochester, 14627, USA
Jacob A. Cram
School of Oceanography, University of Washington, Seattle, 98195, USA
Horn Point Laboratory, University of Maryland Center for Environmental Science, Cambridge, 21613, USA
Curtis Deutsch
School of Oceanography, University of Washington, Seattle, 98195, USA
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Cited
13 citations as recorded by crossref.
- Sensitivity of a carbon-based primary production model on satellite ocean color products L. Song et al. 10.1016/j.rse.2024.114304
- Quantitative microbial taxonomy across particle size, depth, and oxygen concentration P. Huanca-Valenzuela et al. 10.3389/fmicb.2025.1552305
- What the geological past can tell us about the future of the ocean’s twilight zone K. Crichton et al. 10.1038/s41467-023-37781-6
- In Situ Particle Measurements Deemphasize the Role of Size in Governing the Sinking Velocity of Marine Particles J. Williams & S. Giering 10.1029/2022GL099563
- Uncertain response of ocean biological carbon export in a changing world S. Henson et al. 10.1038/s41561-022-00927-0
- Southern Ocean phytoplankton dynamics and carbon export: insights from a seasonal cycle approach S. Thomalla et al. 10.1098/rsta.2022.0068
- Influence of short-term warming and irradiance on bacterivory in different-sized heterotrophic and pigmented nanoflagellates in coastal waters C. Chang et al. 10.3354/meps14924
- Widespread changes in Southern Ocean phytoplankton blooms linked to climate drivers S. Thomalla et al. 10.1038/s41558-023-01768-4
- The Promise of Blue Carbon Climate Solutions: Where the Science Supports Ocean-Climate Policy A. Christianson et al. 10.3389/fmars.2022.851448
- The Oceans’ Biological Carbon Pumps: Framework for a Research Observational Community Approach H. Claustre et al. 10.3389/fmars.2021.780052
- Evaluating the stabilities of common power-law models for describing particle size distributions across the continental shelf of the northern South China Sea W. Zheng et al. 10.1016/j.margeo.2024.107240
- Resolving ecological feedbacks on the ocean carbon sink in Earth system models D. Armstrong McKay et al. 10.5194/esd-12-797-2021
- Influence of Seasonal Variability in Flux Attenuation on Global Organic Carbon Fluxes and Nutrient Distributions F. de Melo Viríssimo et al. 10.1029/2021GB007101
12 citations as recorded by crossref.
- Sensitivity of a carbon-based primary production model on satellite ocean color products L. Song et al. 10.1016/j.rse.2024.114304
- Quantitative microbial taxonomy across particle size, depth, and oxygen concentration P. Huanca-Valenzuela et al. 10.3389/fmicb.2025.1552305
- What the geological past can tell us about the future of the ocean’s twilight zone K. Crichton et al. 10.1038/s41467-023-37781-6
- In Situ Particle Measurements Deemphasize the Role of Size in Governing the Sinking Velocity of Marine Particles J. Williams & S. Giering 10.1029/2022GL099563
- Uncertain response of ocean biological carbon export in a changing world S. Henson et al. 10.1038/s41561-022-00927-0
- Southern Ocean phytoplankton dynamics and carbon export: insights from a seasonal cycle approach S. Thomalla et al. 10.1098/rsta.2022.0068
- Influence of short-term warming and irradiance on bacterivory in different-sized heterotrophic and pigmented nanoflagellates in coastal waters C. Chang et al. 10.3354/meps14924
- Widespread changes in Southern Ocean phytoplankton blooms linked to climate drivers S. Thomalla et al. 10.1038/s41558-023-01768-4
- The Promise of Blue Carbon Climate Solutions: Where the Science Supports Ocean-Climate Policy A. Christianson et al. 10.3389/fmars.2022.851448
- The Oceans’ Biological Carbon Pumps: Framework for a Research Observational Community Approach H. Claustre et al. 10.3389/fmars.2021.780052
- Evaluating the stabilities of common power-law models for describing particle size distributions across the continental shelf of the northern South China Sea W. Zheng et al. 10.1016/j.margeo.2024.107240
- Resolving ecological feedbacks on the ocean carbon sink in Earth system models D. Armstrong McKay et al. 10.5194/esd-12-797-2021
Latest update: 16 Sep 2025
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.
A global model is constrained with empirical relationships to quantify how shifts in...
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