Measurements in the atmosphere
 In Brief
 
The expertise of the CEA's military applications Division (Direction des Applications Militaires, DAM), in atmospheric phenomena, and in particular infrasonic wave propagation, is based on over 40 years of research concening the detection of nuclear explosions. This experience has won the division recognition for its work in setting up facilities for monitoring application of the CTBT (Comprehensive Test-Ban Treaty), and also placed it at the forefront of fundamental research on the atmosphere and the ionosphere.
Read next

 Contents
 
News
Current scientific files concerning measurements in the atmosphere

Research and development activities
Infrasound in the atmosphere
Atmosphere and Ionosphere: disturbances and coupling
Calculation of environmental and health effects

Environmental monitoring

International treaty monitoring
Infrasound stations

Products and services
Microbarometers