My colleague Antoine Venaille and myself are organizing a workshop on equatorial dynamics in geophysical and astrophysical flows.
ENS de Lyon (France), October 16-18 2019
The aim of this interdisciplinary workshop is to gather specialists from different communities interested …
read moreWe have an opening for a one-year post-doctoral position:
A Statistical Physics Approach To Abrupt Climate Changes: Application To Equatorial Superrotation
This project aims at studying bistability and phase transitions of the general circulation of the atmosphere by focusing on the possibility of an abrupt transition towards a state of …
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A specific feature of turbulence in quasi-2D flows is the spontaneous emergence of large scale coherent structures, such as those observed in planetary atmospheres, for instance.
Josh Sokol, a reporter for Quanta Magazine, has written an article …
read moreOur paper about mean-flow/turbulence interaction in the context of the 2D vortex condensate has just been published in Physical Review Letters. In this paper, we provide explicit formulae for the Reynolds stress tensor in the inertial limit, and test those formulae againt Direct Numerical Simulations.
Read more about it …
read moreOur paper about the computation of return times with rare event algorithms has just been published in the Journal of Statistical Mechanics.
Read more about it in this post.
Computing return times or return periods with rare event algorithms
Thibault Lestang, Francesco Ragone, Charles-Edouard Bréhier, Corentin Herbert, Freddy Bouchet
read moreRather than talking about the probability of occurrence of an event, it is more meaningful in many applications to talk about its return time: it is the average time between two occurrences of the event. Reliably estimating return times for rare events from observational data is very difficult, precisely because …
read moreThe structure of turbulence in the presence of a mean-flow is a fundamental question that remains poorly understood. Even in the most basic setting of a pressure driven pipe flow, a first-principles description is lacking. The main problem is that at high Reynolds numbers, the interactions between the mean-flow and …
read moreWith Freddy Bouchet, Davide Faranda and Jeroen Wouters, we are organizing a session at the upcoming General Assembly of the European Geosciences Union (Vienna, Austria, 8-13 April 2018), entitled Statistical mechanics approaches in climate, atmosphere, and ocean dynamics.
The atmosphere, the ocean, and the climate system as a …
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