Post-Doctoral Research Assistant position on the climate impacts of aviation

Sorbonne University Paris, France
Closing date not given

The Institut Pierre-Simon Laplace is looking for a talented and motivated postdoctoral researcher to improve scientific understanding of the climate impacts of aviation.

The Institut Pierre-Simon Laplace (IPSL) is located at Sorbonne Université, a world top 100 university based in Paris, France. IPSL brings together 9 laboratories that study climate and environmental sciences on regional to global scales. IPSL leads and participates in many French and European projects. Projects aimed at facilitating climate change adaptation or climate change mitigation policies are taking an increasing part in the Institut’s activities.

This postdoctoral position is part of the Agreement “Aviation-Climat” between Sorbonne Université, the French National Office for Aerospace Studies and Research (ONERA), and the French Directorate General of Civil Aviation (DGAC). This Agreement aims to improve scientific understanding of the climate impacts of aviation. The scientific objectives are to: 1) Better quantify the climate impacts of aviation, in particular the “non-CO2” impacts on contrails, clouds and atmospheric chemistry, 2) Evaluate the impacts associated with new fuels such as synthetic hydrocarbons or hydrogen, 3) Propose solutions to minimize these climate impacts.

In this postdoctoral position, you will study the response of ice clouds to particulate perturbations (aerosols). The works will focus on understanding the mechanisms and processes involved in perturbations to the formation and evolution of clouds by aerosols from aviation. The work will use numerical simulations at scale of a cloud field, accounting for the initial state of the atmosphere.

Specifically, you will:

  • Evaluate the competition between aerosols from aviation and aerosols already present in the atmosphere for the formation of ice cores and ice crystals. This activity will be based on the physical, chemical, and ice cloud formation models developed at IPSL and ONERA.
  • Identify the processes by which aerosols from aviation influence the liquid clouds of the lower atmosphere. This activity will be based on a mesoscale or Large Eddy Simulation model.
  • Present and publish the results of those activities.

Your office will be located at the Institut Pierre-Simon Laplace (IPSL) on the Pierre-et-Marie-Curie (Jussieu) campus of Sorbonne University in Paris, France. Working meetings will take place in Palaiseau (ONERA), Saclay (LSCE) and Toulouse.

The requirements for the position are:

  • PhD in atmospheric, climate, or related sciences.
  • Knowledge of atmospheric physics.
  • Proven experience in atmospheric modelling, preferably LES or DNS, but also large-scale climate models.
  • Proven knowledge of Fortran programming.
  • Knowledge of the python programming language and associated scientific libraries.
  • Knowledge of Unix / Linux and bash programming.

To apply, please send a scientific curriculum vitae and a cover letter detailing how well you meet the requirements listed above to Olivier Boucher, Deputy Director of the IPSL, at, and Nicolas Bellouin at

The position is open until filled.

The original advert, in French, is at


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