Articles | Volume 19, issue 14
https://doi.org/10.5194/gmd-19-6627-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-19-6627-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Computational library for the nutrient-unicellular-multicellular plankton modeling framework v. 1.0
Amalia Papapostolou
CORRESPONDING AUTHOR
Center for Ocean Life, Natl. Institute for aquatic resources, Technical University of Denmark, Kgs. Lyngby, Denmark
Anton V. Almgren
Center for Ocean Life, Natl. Institute for aquatic resources, Technical University of Denmark, Kgs. Lyngby, Denmark
Trine F. Hansen
Center for Ocean Life, Natl. Institute for aquatic resources, Technical University of Denmark, Kgs. Lyngby, Denmark
Athanasios Kandylas
Center for Ocean Life, Natl. Institute for aquatic resources, Technical University of Denmark, Kgs. Lyngby, Denmark
Camila Serra-Pompei
Center for Ocean Life, Natl. Institute for aquatic resources, Technical University of Denmark, Kgs. Lyngby, Denmark
Andre W. Visser
Center for Ocean Life, Natl. Institute for aquatic resources, Technical University of Denmark, Kgs. Lyngby, Denmark
Ken H. Andersen
Center for Ocean Life, Natl. Institute for aquatic resources, Technical University of Denmark, Kgs. Lyngby, Denmark
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Athanasios Kandylas and Andre William Visser
Geosci. Model Dev., 19, 93–113, https://doi.org/10.5194/gmd-19-93-2026, https://doi.org/10.5194/gmd-19-93-2026, 2026
Short summary
Short summary
The ocean plays an important role in regulating the Earth's climate by storing excess atmospheric carbon in its interior mainly through the sinking of small organic particles originating from planktonic organisms. Once produced these particles are constantly being transformed (sticking together, breaking into smaller pieces and being consumed by microbes). Here, we try to understand the dynamics of these processes by testing a variety of factors, such as stickiness and water column mixing.
Trine Frisbæk Hansen, Donald Eugene Canfield, Ken Haste Andersen, and Christian Jannik Bjerrum
Geosci. Model Dev., 18, 1895–1916, https://doi.org/10.5194/gmd-18-1895-2025, https://doi.org/10.5194/gmd-18-1895-2025, 2025
Short summary
Short summary
We describe and test the size-based Nutrient-Unicellular-Multicellular model, which defines unicellular plankton using a single set of parameters, on a eutrophic and oligotrophic ecosystem. The results demonstrate that both sites can be modeled with similar parameters and robust performance over a wide range of parameters. The study shows that the model is useful for non-experts and applicable for modeling ecosystems with limited data. It holds promise for evolutionary and deep-time climate models.
Andre Visser, Anton Vergod Almgren, and Athanasios Kandylas
EGUsphere, https://doi.org/10.5194/egusphere-2024-2520, https://doi.org/10.5194/egusphere-2024-2520, 2024
Preprint archived
Short summary
Short summary
Global models largely rely on empirical estimates of the rate at which this material is produced and sinks. Here we propose a mechanistic model that tries to capture the most important processes regulating the size and density of particulate organic material from when it is produced by living organisms, through its aggregation and fragmentation into particles of different size and density, degradation by microbes and eventual sinking into the ocean’s interior.
Jérôme Pinti, Tim DeVries, Tommy Norin, Camila Serra-Pompei, Roland Proud, David A. Siegel, Thomas Kiørboe, Colleen M. Petrik, Ken H. Andersen, Andrew S. Brierley, and André W. Visser
Biogeosciences, 20, 997–1009, https://doi.org/10.5194/bg-20-997-2023, https://doi.org/10.5194/bg-20-997-2023, 2023
Short summary
Short summary
Large numbers of marine organisms such as zooplankton and fish perform daily vertical migration between the surface (at night) and the depths (in the daytime). This fascinating migration is important for the carbon cycle, as these organisms actively bring carbon to depths where it is stored away from the atmosphere for a long time. Here, we quantify the contributions of different animals to this carbon drawdown and storage and show that fish are important to the biological carbon pump.
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Short summary
The Nutrient-Unicellular-Multicellular model library simulates marine plankton ecosystems, structuring predator-prey dynamics by body size. It integrates feeding strategies in single-cell plankton and copepod life stages, essential for understanding their growth, survival, and predator-prey interactions. Validated with real data, this user-friendly tool recreates ecosystems across scales, offering insights for marine ecology and biogeochemistry.
The Nutrient-Unicellular-Multicellular model library simulates marine plankton ecosystems,...