1. Understanding Earth Seventh Edition Chapter 15
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3. Properties of Weather or Climate? 15.1
Isa this climate or weather
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4. Solar Forcing
78 % N 21 % O2
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5. CHAPTER 15: FIGURE 15.2
Sound is trapped in the atmosphere and so explosions can be monitoried.
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6. “The Day After Tomorrow Effect” 15.3
Conveyor Belt model – hot water to cold water, less saline water to more saline water ( no rivers): HEAT and SALINITY
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7. Cryosphere15.3
California relies on snow to drink! % During the last icea age AL was 130 lower

8. Biological impacts on climate
Biomass can affect climate change but on a smaller scale
Trees take in CO2 land reflects data Shells trap CO2
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9. Where do we get our heat?15.3

10. Greenhouse gases keep the atmosphere livable
Greenhouse gases are necessary: Moon can get 170 degrees C or 1760 degrees cold
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11. Climate Models
GCM- yes, we can only predict climate change through computer models and they are only as good as they assumptions we make.
However, I do not think anyone is trying to intentionally mislead people.
During some hurricanes the Europeans can make better predictions than us
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12. EL Nino/ La Nina
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13. EL Nino/ La Nina
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15. Louisiana Hurricanes
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16. Last Glacial Maximum- 20,000 ya
Abother one occurred that covered the whole earth about 650 Ma- Huyiming bao was able to prove it with the chemistry of the sediments after the ice melted.
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17. Ice Volumes
Sampled by Vostok ice core in Antarctica as well

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20. Milankovitch Cycles
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21. Orbital Forcing
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22. Milankovitch Cycles
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23. Milankovitch Cycles

24. Milankovitch Cycles

25. Global Acidification
Co2 ahs the net effect of reducing carbonate availabilti
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26. CHAPTER 15: FIGURE 15.20
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28. Correlations
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29. Correlations
It is not that the ice was not going to melt, but that perhaps it is doing so at a faster rate than we expected.
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31. Cazenave et al.
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