EESA10H3 Lecture Notes - Lecture 2: Nitrogen Dioxide, Bronchitis, Soot
Case study: london smog of december 1952 great smog . Was a severe air pollution event that affected london during december 1952. A period of cold weather (which resulted in homes using a lot of heat), combined with high humidity and windless conditions, collected airborne pollutants mostly from coal burning to form a thick layer of smog over the city. Coal = sulphur dioxide + fog water droplets = sulphuric acid. Solved when winds came: indonesian fires of 1997. Caused mainly by slash and burn techniques adopted by farmers (it"s cheaper and most common) in indonesia which got out of control. It is usually done before the monsoon (rainy) season. However, that year was relatively dry (el nino) and prolonged the fires. Can be connected in canada heavy pollution in the golden horseshoe area (waterloo- Primary pollutants from human sources eg. factories, automobiles: particulate matter (pm 10 and pm 2. 5) both solid and liquid forms made in the air.