Review Questions
for Chapter 17 - Air Pollution
- What are some examples of significant air pollution
events over the last 200-300 years?
- What are the dominant natural and anthroprogenic sources
of air pollution?
- What are primary pollutants? What are some examples of
primary pollutants, their sources, and their health
effects?
- What are secondary pollutants? What are some examples of
secondary pollutants and their health effects?
- What is smog?
- What are the key differences between photochemical and
London-type smog?
- What conditions favor both types of smog?
- What are the key primary and secondary pollutants in
photochemical (L.A.) smog?
- What is a "null" cycle?
- What is the "null" cycle in LA smog?
- How is ozone allowed to build up in the LA smog scenario?
- What physical factors affect smog concentrations?
- How does terrain and source location affect smog
concentrations?
- What is the diurnal variation of ozone?
- How do concentrations of CO and ozone vary seasonally?
- How does the ventilation factor and mixing height affect
smog concentrations?
- What meteorological conditions produce the fanning,
fumigation, lofting, coning, and looping plume patterns?
- how can obstacles affect dispersion?
- What is the advantage of using taller smoke stacks for
dispersing polllutants?
- How does increasing the exit velocity affect pollutant
concentrations? How can one increase the exit velocity?
- How does increasing the exit temperature affect pollutant
concentrations? How can one increase the exit
temperature?
- What is the general air pollution trend here in the US
since the 1940s?
- How is acid rain produced?
- What is the spatial distribution of ph over the US?
- Where else around the world are there acid rain problems?