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DFE World: Design & the Global Environment
Photograph of Nature
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Air Pollution
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Exercises


Effective Stack Height

Mixing Height & Inversions

Model Output


Sensitivity Analysis

 

Stack Height

Stability Class



 
 
 
 
 
 
 

 

Central Campus Air Quality Model (CCAQM) Instructions

 

Sensitivity Analysis - Stability Class

Below is a figure that shows a sensitivity analysis for stability class.  Stability class was the only parameter that was changed when looking at the relative concentration to downwind distance.

 

Sensitivity Analysis for Stability Class (Point Source)

 

Here, as stability class progresses from A to F, the relative concentration decreases.  However, the shape of the graph also begins to gradually flatten as stability class changes.  Thus, changing one parameter may have complicated effects.