Mathieu Poupon

Ocean science and environmental policy researcher. CNRS postdoctoral fellow at LOCEAN–IPSL (Sorbonne Université), after a PhD at Princeton University. I work on the natural carbon cycle in the ocean and its deliberate modification by humans — zooplankton and the biological carbon pump, and marine carbon dioxide removal (mCDR) — and on what each commits us to in decision-making.

Contact: mathieu.poupon@locean.ipsl.fr · ORCID · Google Scholar · GitHub · LinkedIn

Selected publications

How much do zooplankton and fine-scale processes matter for the ocean biological pump? — Nature Communications (2026)
Global Eddy Subduction Carbon Pump from Argo Floats — Global Biogeochemical Cycles (2026)
Phytoplankton community succession and biogeochemistry in a bloom simulation experiment at an estuary–ocean interface — Biogeosciences (2025)
Chlorophyll shading reduces zooplankton diel migration depth in a high-resolution physical–biogeochemical model — Ocean Science (2025)
Pacific decadal oscillation influences tropical oxygen minimum zone extent and obscures anthropogenic changes — Geophysical Research Letters (2023)
Coastlines at Risk of Hypoxia from Natural Variability in the Northern Indian Ocean — Global Biogeochemical Cycles (2022)

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