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Understanding Earth Seventh Edition Chapter 15

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Presentation on theme: "Understanding Earth Seventh Edition Chapter 15"— Presentation transcript:

1 Understanding Earth Seventh Edition Chapter 15
PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY UNDERSTANDING EARTH 7E| GROTZINGER | JORDAN © W. H. FREEMAN AND COMPANY

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3 Properties of Weather or Climate? 15.1
Isa this climate or weather PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY UNDERSTANDING EARTH 7E| GROTZINGER | JORDAN

4 Solar Forcing 78 % N 21 % O2 PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY

5 CHAPTER 15: FIGURE 15.2 Sound is trapped in the atmosphere and so explosions can be monitoried. PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY

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 PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY

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 PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY

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 PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY

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 PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY

12 EL Nino/ La Nina PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY

13 EL Nino/ La Nina PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY

14 PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN
© W. H. FREEMAN D COMPANY

15 Louisiana Hurricanes PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY

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. PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY

17 Ice Volumes Sampled by Vostok ice core in Antarctica as well

18 PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN
© W. H. FREEMAN D COMPANY

19 PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN
© W. H. FREEMAN D COMPANY

20 Milankovitch Cycles PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY

21 Orbital Forcing PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY

22 Milankovitch Cycles PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY

23 Milankovitch Cycles

24 Milankovitch Cycles

25 Global Acidification Co2 ahs the net effect of reducing carbonate availabilti PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY

26 CHAPTER 15: FIGURE 15.20 PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY UNDERSTANDING EARTH 7E| GROTZINGER | JORDAN

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28 Correlations PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY

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. PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY

30 PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN
© W. H. FREEMAN D COMPANY

31 Cazenave et al. PHYSICAL CHEMISTRY: QUANTA, MATTER, AND CHANGE 2E| PETER ATKINS| JULIO DE PAULA | RONALD FRIEDMAN © W. H. FREEMAN D COMPANY


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