ECOLE 2 - LETMA Autumn School 2026. Waves & geosciences: Infrasound and beyond

 

 

 

Context

 

The LETMA Autumn School 2026. Waves & Geosciences: Infrasound and Beyond is the second edition of a thematic school organized within the framework of LETMA (Laboratoire Études et de Modélisation Acoustiques). Following the successful first edition held in 2022, the workshop aims to bring together graduate students, postdoctoral researchers, scientists, and engineers working in atmospheric infrasound, gravity waves, and related disciplines. More information on the previous edition is available on the first edition page.

 

While the first edition primarily focused on the generation, propagation, and applications of atmospheric infrasound, the 2026 workshop broadens its scope to address wave interactions across the Earth system. New topics include coupling between seismic, atmospheric, oceanic, and ionospheric waves, emerging Artificial Intelligence methods for wave analysis, and planetary acoustics, reflecting recent developments and new challenges in geophysical wave propagation.

 

The workshop will take place from October 26 to October 30, 2026, at École Centrale de Lyon, in Écully, near Lyon, France.

Program

 

The scientific program combines lecture courses, hands-on practical sessions, and research presentations, providing participants with both the theoretical foundations and practical tools needed to understand and investigate wave propagation in geophysical and planetary environments. Lectures and practical sessions will be delivered by internationally recognized experts in the field. Each day will focus on a specific scientific theme and will follow the format below:

 

• lecture courses in the morning;
• practical sessions and scientific presentations or poster sessions in the afternoon.

 

The scientific themes of the week are summarized below.

 

Day	Theme
Monday	Overview of research on atmospheric waves: direct and inverse problems, and societal challenges;
Tuesday	Infrasonic waves, gravity waves, and ocean wave propagation;
Wednesday	Seismic–infrasound coupling, effects of infrasound on the atmosphere and ionosphere, and inverse problems;
Thursday	Artificial intelligence for waves;
Friday	Planetary acoustics and wave propagation in planetary atmospheres.

 

A provisional detailed timetable for the LETMA Autumn School 2026 is provided below.

 

Scientific organizing committee

 

Christophe Bogey, CNRS Director of Research, École Centrale de Lyon
François Coulouvrat, CNRS Director of Research, Sorbonne Université
Didier Dragna, Assistant Professor, École Centrale de Lyon
Olaf Gainville, Research Engineer, CEA
Régis Marchiano, Professor, Sorbonne Université
Christophe Millet, CEA Director of Research, CEA
Roberto Sabatini, Assistant Professor, École Centrale de Lyon Local organizing committee

 

Christophe Bogey
Didier Dragna
Véronique Mayoud
Marie-Gabrielle Perriaux
Roberto Sabatini

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