Atmospheric Dispersion Modeling

The Gaussian Model Plume Characteristics Dispersion Coefficients Stability Classes Wind Speed Plume Rise and Stack Height Considerations Plume Rise Briggs Plume Rise Downwash Tall Stacks Computer Programs for Dispersion Modeling

Guideline Models

Model Options

Screening and Refined Models

Simple and Complex Terrain Urban and Rural Classification Averaging Periods Single and Multiple Sources Type of Release Additional Plume Influences Meteorology Other Models Mobile and Line Source Modeling CALINE3 Model CAL3QHC Model BLP Model

Air Quality 5.9

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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