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Published on Apr 5, 2012
The Atmosphere, the Ocean and Environmental Change (GG 140)
A simple model of the overall Earth's heat budget is derived. The Earth is assumed to be in equilibrium with the input of solar radiation balanced by the output of infrared radiation emitted by the Earth's surface. Using this model, the Earth's surface temperature is calculated to be cooler than in reality due to the lack of an atmosphere and the greenhouse effect in the model.
00:00 - Chapter 1. Earth Energy Balance 03:34 - Chapter 2. Black Body Radiation -- Wien's Law and Stephan-Boltzmann Law 16:05 - Chapter 3. Infrared Emission 18:08 - Chapter 4. Simple Model of Earth's Energy Balance 25:51 - Chapter 5. Equilibrium Calculations of Earth's Energy Budget 33:29 - Chapter 6. Greenhouse Effect in Earth's Atmosphere 40:39 - Chapter 7. Energy Budgets for Other Planets 45:24 - Chapter 8. What is a Greenhouse Gas?