Photochemical smog in Los Angeles
- Created by: vezting
- Created on: 05-04-16 09:33
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- Photochemical smog in Los Angeles
- causes
- Los Angeles was the second most polluted city in the US 2008
- the photochemical smog resulted from nitrous oxide reacting with hydrocarbons in the intense sunlight
- there are 11 million vehicles in Los Angeles
- it has a sunny and dry climate, only 35 days a year are wet
- temperature inversions trap the fumes
- basin effect of the relief causes pollution to fill it
- ports Eg Long Beach give off a lot of disel fumes
- a lack of public transport
- roads allign with prevailing winds
- impacts
- 1600 premature deaths each byear due to respiratory disorders
- children have 10-15% reduction in lung capacity
- absenteeism from work
- crops wilten in fiels due to lack of sunlight, lowering yield
- people suffered from depression
- forced hollywood film makers to make films elsewhere
- solutions
- in 2001 there were no days regarded abd dangerous to health due to legislations and regulations
- clean air act in 1963 reduced smoke pollution
- 2004 outdoor ban on burning
- 1966 exhaust controls on cars
- California Air Resources Board CARB was set up in 1967 and set air quality standards in 1969
- CARB aims to reduce pertrol use by 20% in next 10 years
- regular smog checks carried out and fines for vehicles not meeting standards
- causes
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