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The Carbon Cycle

Explore the dynamics of the carbon cycle, radiative energy budget, and global warming since 1860. Learn about changes in atmospheric CO2 levels since 1958, 1750, and ancient eras. Delve into global carbon cycles, reservoirs, and fluxes, and the significance of paleoclimatology. Understand icehouse vs. greenhouse periods and the potential implications of a run-away greenhouse effect.

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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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