Effects Of Wind Speed And Direction

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Horizontal winds play a significant role in the transport and dilution of pollutants. As wind speed increases, the volume of air moving by a source in a period of time also increases. If the emission rate is relatively constant, a doubling of the wind speed halves the pollutant concentration, as the concentration is an inverse function of the wind speed.

Pollutant dispersion is also affected by the variability in wind direction (Godish 1991). If the wind direction is relatively constant, the same area is continuously exposed to high pollutant levels. If the wind direction is constantly shifting, pollutants are dispersed over a larger area, and concentrations over any exposed area are lower. Large changes in wind direction can occur over short periods of time.

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Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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