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18 Cards in this Set
- Front
- Back
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True or false: Predictions regarding global warming have the greatest certainty compared to all other predictions made in this course
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True
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What is the most important issue of the 21st century?
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Global Warming
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Kneeling Curve
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Overall upward trend in CO2
By the end of the century, CO2 will double |
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CO2 During Seasons
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Winter- CO2 is given off to the atmosphere during respiration, CO2 goes up.
Summer- CO2 is removed from atmosphere during photosynthesis and goes down |
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How much CO2 do humans add per year by burning fossil fuels?
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6 billion tons
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What is the greenhouse effect?
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Visible light passes through the atmosphere to the Earth's surface, Earth radiates the heat as infrared rays, some rays escape but CO2 and other rays stay trapped, warming the Earth
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What are results of the greenhouse effect?
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sea levels rising, flooding portions of the east and gulf coasts
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As population increases, temperature...
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Increases
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By 2050, the average temperature of the Earth will rise...
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1.5-4.5˚ C
5-14˚ F |
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2 Alternative predictions of IPCC models
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Average case scenario, worst case scenario
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Average Case Scenario
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No ice in Arctic by 2040
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Worst Case Scenario
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No ice in Arctic by 2013
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Carbon 13 is _____ than Carbon 12
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heavier
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Burning of fossil fuels can explain __% of new CO2 added to Earth's atmosphere since 1850
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99
first world problem |
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Frank Capra
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-B.E Chemical Engineering
-Petroleum geo chemistry -"The Unchanged Goddess" |
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We have known about Global Warming since...
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1958
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Climate and global temp are determined by...
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CO2, Methane, Nitrus Oxide
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The current 400 ppm concentration of CO2 is highest on Earth for the last...
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160,000 years
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