PhD in marine biogeochemistry and North Atlantic carbon pump impacts of high-frequency events Aix-Marseille Université in France

PhD opportunity in marine biogeochemistry, oceanography, and the North Atlantic biological carbon pump, focused on the abyssal impacts of high-frequency events such as storms, blooms, eddies, and marine heatwaves.

The project is a 4-year joint doctoral contract/cotutelle between Aix-Marseille Université and Université du Québec à Rimouski, with research activity split across CEREGE (Aix-en-Provence), MIO (Marseille), and ISMER-UQAR (Rimouski). The student will work with multi-source oceanographic datasets including BGC-Argo floats, satellite observations, hydrographic data from past cruises (including APERO), and other relevant datasets.

The research aims to identify which short-lived events affect the biogeochemistry of the North Atlantic and how these perturbations propagate to the deep ocean and influence carbon storage. The project combines physical oceanography, biogeochemistry, marine microbiology, and data analysis, with an emphasis on reproducible Python workflows, time-series analysis, and comparison of observations with conceptual models.

Eligibility highlights: Master’s degree (M2) or equivalent in oceanography, climate science, Earth science, or a related field; solid background in physical and/or biogeochemical oceanography or climate science; experience or strong interest in scientific programming, especially Python; ability to analyze large datasets and work in an international team. English is the working language; French is appreciated but not required.

Funding: 48-month doctoral contract, full-time. The post does not specify a stipend amount, but it is a funded PhD contract.

Application deadline: 2026-06-19. Applicants should send a cover letter, CV, university transcripts, and contact details for two referees to the listed supervisors.