11. Transport of Pollutants - Box Models in Water
This chapter discusses the temperature profile as a function of height and its implications on vertical convection and pollutant transport. It explains the concept of environmental lapse rates, temperature inversions, and their effects on atmospheric stability and pollutant dispersion. The importance of understanding the mixing height and atmospheric stability in relation to air quality and pollution control is emphasized.
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Sections
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What we have learnt
- Vertical convection affects pollutants based on the temperature profile of the atmosphere.
- Environmental lapse rates fluctuate based on time of day and weather conditions.
- The stability of the atmosphere influences pollutant concentration and dispersion.
Key Concepts
- -- Environmental Lapse Rate
- The rate at which the air temperature decreases with an increase in altitude.
- -- Temperature Inversion
- A phenomenon where temperature increases with altitude, contrary to the normal decrease.
- -- Adiabatic Lapse Rate
- The rate of temperature decrease in a rising parcel of air assuming no heat exchange with the environment.
- -- Mixing Height
- The height in the atmosphere where pollutants are mixed and dispersed, influenced by temperature profiles.
- -- Atmospheric Stability
- A measure of the atmospheric conditions that determine the buoyancy of air parcels and their potential to rise or sink.
Additional Learning Materials
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