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Published on Apr 5, 2012
The Atmosphere, the Ocean and Environmental Change (GG 140)
The material covered throughout the course is reviewed. Properties of air and water are discussed. Hydrostatic balance is discussed as related to the atmosphere, ocean and solid earth. Geostrophic balance is a force balance between the Coriolis force and the pressure gradient force, and applies to winds in the atmosphere as well as currents in the ocean. Several examples of equilibrium states are reviewed. Heat and mass are transported by fluid motion in the earth system through winds, ocean currents and rivers. Mixing, dilution and concentration is discussed as related to ocean and atmosphere pollutants as well as salinity in the ocean. Finally, symmetry between the northern and southern hemispheres is discussed, focusing on differences in land mass, Coriolis force and the seasons.
00:00 - Chapter 1. Overview of Course Material 09:00 - Chapter 2. Properties of Air and Water 13:40 - Chapter 3. Physical Balances 17:47 - Chapter 4. Equilibrium States 26:01 - Chapter 5. Static Stability 28:18 - Chapter 6. Transport of Heat and Mass 29:57 - Chapter 7. Mixing, Dilution and Concentration 31:47 - Chapter 8. Symmetry between the Hemispheres