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Welcome, I'm an
Oceanographer and Climate Scientist
...

Mathieu Poupon

PhD Candidate, Princeton University

I am a PhD Candidate at Princeton University working in Pr Laure Resplandy's group to understand the biogeochemical mechanisms controlling carbon transfer between the ocean surface and the twilight zone through observations and modeling. I am developing a migrating zooplankton model in collaboration with the Geophysical Fluid Dynamics Laboratory, in order to better constrain the migrant carbon pump.

I have a master's degree in Geosciences from the Ecole Normale Superieure. I worked on oxygen dynamics in the Indian and Pacific Oceans, and showed that natural modes of variability coupling ocean and atmosphere (Indian Ocean Dipole, Pacific Decadal Oscillation) could attenuate or reinforce anthropogenic deoxygenation effects.

I'm passionate about outreach and scientific communication, which I have carried out in various forms: series of courses and conferences (TalENS, JAC, Cours Aux Ernests), phone application development (ClimateScience) or video production (Ordre de grandeur). I am currently working on a social media project to help people understand how climate science research works, and what it tells us about the state of the ocean and solutions to mitigate the effects of climate change. Stay tuned.

Research

This I what I'm interested in.

...
Oxygen Natural Variability
Reinforcing or attenuating anthropogenic deoxygenation?
...
Biological Carbon Pump
How much carbon is exported?
...
Ocean Alkalinization
A solution to mitigate climate change?

Papers


In preparation

Currently working on the ocean carbon cycle and ocean geoengineering governance.

Submitted

  1. Poupon, M. A., Resplandy, L., & Luo, J. Y. under revision: Unifying framework reveals importance of dissolved fluxes in ocean biological carbon pump
    Read:
    PDF | online
  2. Lee, J. A., Vineis, J. H., Poupon, M. A., Resplandy, L., & Ward, B. B. under revision: Phytoplankton community succession and biogeochemistry in a bloom simulation experiment at an estuary-ocean interface
    Read:
    PDF | online

Published

  1. Poupon, M. A., Resplandy, L., Garwood, J., Stock C., Zadeh, N. & Luo, J., 2025: Chlorophyll shading reduces zooplankton diel migration depth in a high-resolution physical–biogeochemical model. Ocean Science.
    Read:
    PDF | online
  2. Poupon, M. A., Resplandy, L., Lévy, M., & Bopp, L., 2023: Pacific decadal oscillation influences tropical oxygen minimum zone extent and obscures anthropogenic changes. Geophysical Research Letters.
    Read:
    PDF | online
  3. Pearson, J., Resplandy, L., & Poupon, M., 2022: Coastlines at Risk of Hypoxia From Natural Variability in the Northern Indian Ocean. Global Biogeochemical Cycles.
    Read:
    PDF | online
About EDUCATION
  • Doctoral Certificate in Science, Technology, and Environmental Policy (Princeton Univeristy), expected in 2026, Advisor: Pr. Michael Oppenheimer
  • Ph.D in Atmospheric and Ocean Sciences (Princeton Univeristy), expected in 2026, Advisor: Pr. Laure Resplandy
  • M.A in Atmospheric and Ocean Sciences (Princeton Univeristy), 2023, Advisor: Pr. Laure Resplandy
  • M.Sc in Geosciences(École Normale Supérieure), 2021, Advisors: Pr. Laurent Bopp and Marina Levy
  • ENS Diploma - Major: Environmental Policy (M.A equivalent, École Normale Supérieure), 2021, Advisor: Pr. Laurent Bopp
  • B.Sc in Geosciences (École Normale Supérieure), 2021, Advisor: Pr. Caroline Muller
PUBLIC APPEARANCES Future:
  • One Ocean Science Congress, Nice, France, June 2025
    Cost-effective ocean alkalinity enhancement confined to coastal regions (talk)
  • 56th Liège colloquium on Ocean Dynamics, Liège, Belgium, May 2025
    Cost-effective ocean alkalinity enhancement confined to coastal regions (talk)
Past:
  • BGC Argo Science Meeting, Online, USA, May 2025
    Unifying framework reveals importance of dissolved fluxes in ocean biological carbon pump (webinar)
  • Ocean Science Meeting, New Orleans, USA, February 2024
    Elucidate the processes controlling the migrating zooplankton carbon pump (talk)
  • Symposium on ocean twilight zone, Woods Hole Oceanographic Institution, USA, September 2023
    How could the migrating zooplankton carbon pump evolve in a warmer world? (talk)
    Exploring the migrant pump variability: A mechanistic model approach to identify its drivers (poster)
  • FilaChange, Providence, USA, August 2022
    Extending subducted filament detection to the global scale using Argo floats (poster)
  • 2nd Gordon Research Conference on Ocean Mixing, South Hadley, USA, June 2022
    Extending subducted filament detection to the global scale using Argo floats (poster)
  • 53rd Liège colloquium on Ocean Dynamics - 3rd GO2NE conference, Liège, Belgium, May 2022
    Pacific decadal oscillation influences the extension of the tropical Oxygen Minimum Zone and obscures the impacts of anthropogenic changes (talk)
  • Ocean Sciences Meeting, Hawaii (remote), USA, March 2022
    Response of Tropical Pacific oxygen minimum zone to Pacific natural mode of variability (talk)
PRESS JOURNAL PEER REVIEW
  • Nature Communications
  • Global biogeochemical cycles
  • Journal of geophysical research: Oceans
TEACHING and OUTREACH Teaching:
  • Les cours aux Ernests, Ecole Normale Superieure, 2020
    Introduction to physical and biogeochemical oceanography
  • TalENS, Ecole Normale Superieure, 2019-2020
    Science and society - a multidisciplinary approach
Outreach:
  • ClimateScience
    Creation of educational resources on the causes and consequences of climate change.
  • Jeunes ambassadeurs pour le climat
    Conferences and training in schools on the causes and consequences of climate change, and the solutions to be implemented.
  • Juste 2 degres
    Production of awareness-raising videos on the dangers of climate change
  • Ordre de grandeur
    Production of a series of videos for the ENS Geosciences department to give insights into orders of magnitude in environmental science.

Contact Me

Email:
mpoupon@princeton.edu

Adress:
408, Guyot Hall
Princeton, 08540, USA