Geography 1.26.16 Geog 1112
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This 2 page Class Notes was uploaded by Tizhana Turner on Tuesday January 26, 2016. The Class Notes belongs to Geog 1112 at Georgia State University taught by Zaina Qureshi, Lashonda J. Williams in Fall 2015. Since its upload, it has received 28 views. For similar materials see Intro to weather and climate in Geography at Georgia State University.
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Date Created: 01/26/16
History (1.26.16) Homework due Thursday @ 11:59 p.m. I< Clickers are going to be used on Thursday What’s going on with the weather today? Any clouds? What do they look likeWispy, lumpy, or sheety? Sheety Temperature Warm or Cold? Warmer than last week Is it humid? No Any precipitation: not much Is it windy? No Atmosphere Mostly made up of CO2 and, over time Antarctic Ozone Hole CFC (chlorofluorocarbons): refrigerant, propellants CFC + Ultraviolet Chlorine Humans use chemical products on their hair during the 80’s and cause the ozone layer to go up. Chlorine breaks down ozone layer. Scientist began to study the ozone around the 1970’s Slow down on the ozone depletion over next couple of years nd The current status of the ozone: good amounts in Antarctica, October 2 , 2015, the ozone layer was at its largest. Air Pollution Gases, aerosols, etc. that harm humans, animals and/ or the environment A problem for a millennium Natural or Anthropogenic Sources of Natural Pollutants Volcanoes Forest Fires Dust Plants Natural factor that affect air pollution Winds ( Saharan dust over Georgia) ( dust moving across the Atlantic) Local and regional landscapes Temperature inversion Anthropogenic Pollution 1.3 million People die from urban air pollution 41% of U.S. live in unhealthy levels Big sources: Cars, industry, agriculture Major pollution: Carbon monoxide, nitrogen oxide, volatile organic compounds, ozone, peroxyacetyl nitrates, sulfur oxides, particulate matter, and carbon dioxide. Ozone that builds is called photochemical smog. Industrial smog Acid Rain Nitric and sulfuric acids Impacts: surface water, aquatic animals, forests, automotive coatings, visibility( difficult seeing), human health( breathing in the acidic air) Lead Readily absorbed by human bodies. Brain damage, lower IQs, violent behavior Possible link to crime rates. Toxic lead levels in Flint, Michigan water. Clean Air Act (CAA) Legislation in 1970, 1977,1990 Total direct cost $523 billion Average benefits $22.2 trillion 206,000 fewer deaths in 1990!
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