The Climate and Statistical Mechanics group
at ENS de Lyon aims at

Studying climate dynamics phenomena, specifically related to turbulence, climate extremes, and large scale dynamics of atmospheres and oceans.

Developping algorithms aimed at computing rare events in complex dynamical systems, like climate dynamics or turbulent flows, based on large deviation theory and statistical mechanics.

Studying fundamental questions in statistical mechanics and dynamical systems theory, often using large deviation theory, bridging from mathematical physics to modeling and applications
Recent and forthcoming events we are
organizing or have organized:
Fundamental
Aspects of Turbulent Flows in Climate Dynamics,
International school coorganized
with Tapio
Schneider and Antoine
Venaille, Les Houches Physics
School, France, July 31  August 25 2017.
Extreme
Events in the Earth and Planetary Sciences,
International symposium,
University of Warwick, UK, 0408 July 2016.
Statistical
mechanics and computation of large deviation
rate functions, International
workshop, ENS de Lyon, June 2015.
Theoretical
Advances in Planetary Flows and Climate
Dynamics, International
conference, Les Houches Physics School,
March 26, 2015.
Research
papers
News (Last updated July 2014.):
June 2014: Seminar at the conference "Mathematical Hydrodynamics" at Ecole Normale Supérieure in Paris
This is an example of a seminar about large deviations in geophysical fluid dynamics intended at researchers in mathematics: Abrupt transitions and large deviations in geophysical turbulent flows
May 2014: Seminar at GGI at Florence (Italy)March 2014: Seminar at KITP in Santa Barbara (USA)
This is an example of a seminar about large deviations in geophysical fluid dynamics intended at researchers in climate dynamics:
Abrupt Transitions and Large Deviations in Geophysical Turbulent Flows[Slides][Podcast][Aud][Cam] 
March 2014:
AXA grant  Extreme events in climate
Jeroen Wouters, a young postdoc researcher, has been
awarded a two year AXA fellowship in order to work under
my supervision. We will work on the computation of
the probability of extreme events in climate models. He is
just arrived at ENSLyon.
February 2014: Lectures at
Leuven's university
Slides
lecture 1.
Slides
lecture 2.
Slides
lecture 3.
Warsaw
school of statistical physics lecture notes
November 2013: ERC Grant.
I have been awarded a European
Research Council grant: "Large Deviations and Non
Equilibrium Phase Transitions for Turbulent Flows,
Climate, and the Solar System". The aim of the research
project is to use tools from statistical mechanics (large
deviation theory, algorithms to compute rare events) in
order to compute rare events relevant for climate, and the
solar system dynamics.
June 2013: Lectures at the
5th Warsaw school of statistical physics (at
Kazimierz).
Slides
lecture 1.
Slides
lecture 2.
Slides
lecture 3.
Lecture
notes
References and documents about
climate physics.
June
2013: Seminar in classes préparatoires.
April
2013: Max Potters awarded for his Master
thesis.
March 2013: Conference "Vortex
dynamics: formation, structure and function".
February 2013: Large
audience conference in a UK HighSchool.
As I was fellow of the Institute of Advanced Studies of Warwick university (UK), at the mathematic department, I was asked to make a public lecture for highschool students at the grammar school of StratfortuponAvon, the former school of Shakespeare. Slides.
Can we predict cyclones by rolling dices ?
January
2013: Conference "Statistical mechanics
and climate".
December 2012: Invited seminar at AGU meeting, San Francisco.
The American Geophysical Union meeting gathers the world specialists of geosciences. I gave an invited seminar on "atmosphere jet dynamics and statistical physics". Slides:
October
2012: Large audience seminar on climate,
in Lyon: “Changements
de
climat : changements de société ?”, organisée par
Pauline Lachapelle dans le cadre des recontres "Et si
on en parlait"
September
2012: Book of Cedric Villani.
Cedric refers in his book to some relations
between his work and ours (please do not
laugh when you will see my picture in his book).
September
2012: Lectures of Peyresq's school
published.
During four years, I was organizing a school on nonlinear dynamics, Aux Rencontres de Peyresq, in the village of Peyresq. Together with J.A. Sepulchre and B. Audoly, we have edited a book: Peyresq lectures on nonlinear dynamics, with some of the main lectures. It has just been published.
June
2012: Organization of a conference
on rare events in Lyon.
May 2012: Antoine at CNRS.
Antoine Venaille, my first PhD student, has been hired at CNRS after a twoyear postdoc in Princeton in the Geophysical Fluid Dynamics In relation with my project to develop tools for the theory and computation of extreme events in turbulent flows with application to climate, I have initiated a conference that gathered the world specialist of rare event computation in natural sciences:April 2012: Research
lectures.
Given
at the spring school "Kinetic
Theory and Fluid Mechanics" :
II) Equilibrium Statistical mechanics of the 2D Euler equations
III) Kinetic theory of the 2D Euler and stochastic NavierStokes equations
IV) Nonequilibrium phase transitions and large deviations in the 2D stochastic NavierStokes equations