Physique de l'atmosphèreGestion et traitement de la pollution (MRI)

Give the future engineer general knowledge of the impact of pollutants from human activity on the chemical composition of the atmosphere.

The module also allows future engineers to be made aware of the principles of atmospheric dispersion and the modalities of their applications.

Basic knowledge in Physics and Chemistry,

Chemical risk analysis.

Generals about the physics and chemistry of the Earth's atmosphere: General characteristics of pollution and its causes. Chemical composition of the atmosphere. Pressure-altitude relationship. Thermal structure of the atmosphere. Atmospheric layers: troposphere, stratosphere.

Stratospheric chemistry: Natural ozone formation, source species, active species and reservoir species. Stratospheric ozone destruction cycles. The "Ozone Hole" phenomenon. Long-term development.

Tropospheric chemistry: The unpolluted troposphere. Pollution by nitrogen oxides, CO and methane. Photooxidant pollution, anthropogenic pollution/biogenic emissions interaction. Production of ozone and other secondary pollutants. Life expectancy of chemical species.

Atmospheric dynamics: Atmosphere stability, dry and saturated adiabatic gradient, temperature inversion. Layer limit. General circulation (convective cells, ITCZ, wind jets, trade winds), monsoons. Seabreak, landbreak, country breeze. Heat island.

Greenhouse effect: Penetration of solar flux into the atmosphere. Infrared emission from Earth. Radiation check. Greenhouse effect of the atmosphere. Natural greenhouse effect. Additional greenhouse effect. The different greenhouse gases. Long-term consequences. The different scenarios for reducing greenhouse gas emissions and their consequences. Impact on human health and vegetation: particulate matter, ozone, nitrogen oxide, acid rain, control infrastructure, examples of impact and health crises.

Use of a commercial code for modelling accidental scenarios: pollutant dispersion in the atmosphere, fires, explosions.