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Meteorological Aspects of Air Pollutant Dispersion topics include: Adiabatic and environmental lapse rate, atmospheric stability and inversion, atmospheric turbulence, stack effluent dispersion theories, plume behaviour and its characteristics.
Meteorological conditions are the primary factor that affects the dispersion of pollutants in the atmosphere.
Some meteorological aspects that affect air pollutant dispersion include: Wind speed: Higher wind speeds generally disperse pollutants more, resulting in lower air pollution concentrations in areas with stronger winds. Wind direction: Wind direction is an important factor if there are distinct sources of pollutant emission. Temperature: Warmer temperatures promote greater vertical mixing of the air, which helps disperse pollutants more quickly. Humidity: Humid air traps pollutants close to the ground, preventing them from dispersing into the atmosphere. Rainfall: Rainfall favors pollutant dispersion and removal from the atmosphere. Atmospheric mixing layer height: This meteorological factor affects the vertical diffusion of atmospheric pollutants and water vapor concentrations.
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