T19 16 GCB notes for class (part 2).pdf

T19 16 GCB notes for class (part 2).pdf - Global Climate...

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5/1/16 1 Global Climate Change A. Causes B. Difficulties for predictions C. Impacts Some impacts of climate change 1. sea levels will rise 2. hurricanes will increase 3. fire regimes in the US West will change 4. increased CO 2 will change plant growth 5. increased CO 2 will acidify oceans 6. populations will go extinct at species equatorial boundaries 7. changes in species interactions Sea Level Rise thermal expansion melting glaciers melting Greenland and Antarctica
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5/1/16 2 Sea Level Rise Current: 8 inches above 1880 2050: another 6-16 inches 2100: another 12-48 inches
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5/1/16 3 Some impacts of climate change 1. sea levels will rise 2. hurricanes will increase 3. fire regimes in the US West will change 4. increased CO 2 will change plant growth 5. increased CO 2 will acidify oceans 6. populations will go extinct at species equatorial boundaries 7. changes in species interactions Sea surface temperature and hurricane intensity Sea surface temperature and hurricane intensity
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5/1/16 4 “Super-storm” Sandy in 2012 (category 3) Surface temperature anomaly of 5 o F “Super-storm” Sandy in 2012 (category 3) $75 billion in damages Some impacts of climate change 1. sea levels will rise 2. hurricanes will increase 3. fire regimes in the US West will change 4. increased CO 2 will change plant growth 5. increased CO 2 will acidify oceans 6. populations will go extinct at species equatorial boundaries 7. changes in species interactions
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5/1/16 5 Greater Yellowstone Monica Turner 1988 Yellowstone Fires Burned under severe drought and high winds NOT caused by past fire suppression Affected 40% of the park
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