9a Smog -Acid Rain.slides-4
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Transcript of 9a Smog -Acid Rain.slides-4
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2/27/15
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Acid Rain / London Smog Acid Rain
Acid Rain
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Acid rain can impact ecosystems in various ways: Waldsterben
(dying forest) AcidicaBon of lakes
dying sh
Uptake of SO2, NO2, sulfuric and nitric acid into rain and fog acid rain/fog
London Smog
4 London, 1952
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London Smog
H. de Voeux (1905): Smoke + Fog Smog CombinaBon of smoke from coal res and fog in England. Known for many years Physiological symptoms: chest constricBon, diculBes breathing, headache, nausea, vomiBng, ..
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Many deaths due to smog
Ingredients of London Smog
RadiaBon inversion in winter. SomeBmes mixing height only 50 - 100 m
Coal res from house heaBng and industry release SO2 (sulfur dioxide) and soot
Fog droplets take up SO2 and sulfuric acid and become very acidic
Acidic fog droplets + smoke parBcles are responsible for health eects
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What is London or sulfurous smog? Acids and bases in the atmosphere Sulfur chemistry Nitrogen chemistry How is acid rain and fog formed? Impacts of acid rain and fog.
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