"Lec 21 - Ocean Currents "The Atmosphere, the Ocean and Environmental Change (GG 140) The atmosphere forces the ocean in three ways: addition and removal of heat, precipitation and evaporation, and wind stress. The former two processes influence the density of sea water. Gravity acts on these density differences to cause large-scale thermohaline currents Wind driven ocean currents are forced by the wind stress acting on the ocean surface which indirectly causes geostrophic currents. 00:00 - Chapter 1. Review of Exam 2 23:54 - Chapter 2. Atmospheric Forcing of the Ocean: Wind Stress 29:38 - Chapter 3. Thermohaline Currents 48:03 - Chapter 4. Wind Driven Currents Complete course materials are available at the Open Yale Courses website: http://oyc.yale.edu This course was recorded in Fall 2011.
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