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The Carbon Cycle

The Carbon Cycle. Radiative energy budget. Radiative energy budget. Global warming since 1860. Change in atmospheric CO 2 (a) since 1958 (“Keeling curve”) (b) since 1750 (c) since 160,000 years ago. Global carbon cycles: reservoirs and fluxes .

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The Carbon Cycle

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  1. The Carbon Cycle

  2. Radiative energy budget

  3. Radiative energy budget

  4. Global warming since 1860

  5. Change in atmospheric CO2(a) since 1958 (“Keeling curve”)(b) since 1750(c) since 160,000 years ago

  6. Global carbon cycles: reservoirs and fluxes Reservoirs in gigatonsFluxes in gigatons per year

  7. Paleoclimatology: icehouse vs. greenhouse periods Three scenarios:(1) icehouse: no liquid water(2) greenhouse: liquid water (with or without ice)(3) run-away greenhouse effect: only water vapor (Venus)

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