Research fellowship in ecosystems modeling

The post-doctoral fellow will be hired by ISCD in the junior project-team FORMAL (From ObseRving to Modeling oceAn Life), whose goal is to study life dynamics in the global ocean at various scales of time and space. He/she will be assigned the task to create more realistic models of marine life.
In the first few months, the hired person will grasp the current sate-of-the-art marine ecosystems models to simulate the spatio-temporal dynamics of the different components of the plankton ecosystem (e.g. nutrients, phytoplankton, zooplankton) like the PISCES model developed at Sorbonne Université [1]. Hand in hand with the members of the team, the hired person will consider several ways of improving these models, such as a better representation of the functional responses [2], or the organisms stoechiometry [3]. He/she will apply these improvements in coupling this model with a simplified physical model (one dimensional) of the water column. Practically, he/she will run simulations with (or interacting with) the NEMO framework [4], developed by a european consortium for advanced modeling in ocean and climate sciences.
Following this, and depending upon the person’s own experience, other possibilities of development of marine ecosystems modeling could be explored, such as :
• computational challenges related to working in 2D or 3D;
• theoretical aspects of stability and responses to perturbations;
• data assimilation taking advantage of the huge quantity of available data, especially those made available by the project-team members.
Thus, the hired person will be involved with mathematicians (Benoît Sarels, Anne-Laure Dalibard), marine ecologists (Sakina-Dorothée Ayata), and specialists of modeling and numerics (Olivier Aumont, Julien Brajard) of the project-team FORMAL :
Faculty sponsor
LJLL : Anne-Laure DALIBARD,,
Appointment Term
One and a half-year appointment starting as soon as possible with the possibility of a further extension based on performance and the needs of the team-project.

Required Education Level
Expertise in ordinary differential equations and partial differential equations
Skills / Qualifications
• Applicants must have a recent Ph.D. in applied mathematics or a closely related field (climatology, oceanology, physics, computer science, statistics).
• Experience collaborating effectively with a team of scientists of diverse backgrounds.
• Demonstrated ability in code writing and numerical simulations.
• Applicants should be hard working, analytical and have excellent writing and communication skills necessary to author technical and scientific reports, publications, and deliver scientific presentations, seminars, meetings and/or teaching lectures
Specific Requirements
• Applicants are expected to be proficient in at least one programming language. Previous experience with FORTRAN would be a valuable asset.
• This position involves a significant amount of numerical code development. Applicants are therefore expected to be commited to standard procedures of software development, and respect the good practice of open science.
Required Languages
English or french.

Required Application Materials
1. Cover letter with current and future research interests
2. Most recent curriculum vitae
3. Copy of first author publications
4. Names and contact for three referees
How to submit
Interested candidates should
• contact for additional information about the offer:
Benoît SARELS,
• submit the required application materials to:
Pascal Frey, Agnieszka Miskiewicz (
with the title “ISCD FORMAL Fellowship Application #6”.

Job location: 
Sorbonne Université - Institut des sciences du calcul et des données - Campus Pierre et Marie Curie
4 place Jussieu
75005 PAris
Contact and application information