OCR Chemistry - Resources (4.2)

OCR Chemistry - Resources 4.2

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  • Created by: Denise24
  • Created on: 23-03-14 18:24
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  • Climate change
    • Effects
      • Ice melting
        • Severe threats to polar creatures
        • Shoreline erosion in Arctic
      • Sea levels rise
        • Loss of large areas of ice can increase global warming because less oof the sun's energy would be reflected away from the Earth
      • Hurricanes and storms are likely to be stronger
        • Extra heat in the air or the oceans is a form of energy and storms and hurricanes are driven by such energy
      • Less fresh water would be available
        • Heavier rainfalls leads to more rapid movement of water from the atmosphere back to the oceans, reducing our ability to store and use it
      • Some disease will spread
        • As temperature increases and rainfall patterns changes and summer become longer, insects can remain active for longer seasons and increases the risk for people who live there
        • Increased heat, precipitation and humidity can allow tropical and subtropical insects to move from where infectious disease grow into new places
        • As temperatures warm, allows ticks to move into new regions
  • Evidence of global warming
    • Climate change
      • Effects
        • Ice melting
          • Severe threats to polar creatures
          • Shoreline erosion in Arctic
        • Sea levels rise
          • Loss of large areas of ice can increase global warming because less oof the sun's energy would be reflected away from the Earth
        • Hurricanes and storms are likely to be stronger
          • Extra heat in the air or the oceans is a form of energy and storms and hurricanes are driven by such energy
        • Less fresh water would be available
          • Heavier rainfalls leads to more rapid movement of water from the atmosphere back to the oceans, reducing our ability to store and use it
        • Some disease will spread
          • As temperature increases and rainfall patterns changes and summer become longer, insects can remain active for longer seasons and increases the risk for people who live there
          • Increased heat, precipitation and humidity can allow tropical and subtropical insects to move from where infectious disease grow into new places
          • As temperatures warm, allows ticks to move into new regions
    • Sea level rising
      • global sea level has increased by about 17 cm
    • Global temperature rising
      • surface temperatures continue to increase
    • Warming oceans
      • oceans have absorbed the increased heat
    • Shrinking ice sheets
      • ice sheets have decreased in mas and are starting to melt quickly
    • Ocean acidification
      • acidity of surface of ocean waters has increased
      • the increase is the result of the emissions of carbon dioxide in to the atmosphere so more is being absorbed into the oceans
    • Extreme events
      • number of record high temperature events have been increasing
      • number of record low temperature events have been decreasing
      • increased numbers of intense rainfall events
  • Ecosystems will change
    • Warming could force species to migrate to higher latitudes or higher elevation where temperature are more condusive to their survival

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