OCEAN CIRCULATION - Earth 002 Monday February 4th 1999...

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Earth 002 Monday, February 4th, 1999 Announcements: The second homework assignment was given in class today. It is due next Tuesday at the beginning of class. Lecture notes: OCEAN CIRCULATION Organisms in the ocean's surface absorb energy, and then it is reflected in the top 200 emters of the water The top 200 meters are known as the Photic Zone--the zone of life At higher elevation, there is greater reflection ENERGY IMBALANCE More energy is input at the tropics than is input at the poles More energy is output at the poles than at the equator Because of this, the ocean must be circulating and moving water from the poles to the equator and vice versa in order to prevent energy imbalance WIND-DRIVEN CIRCULATION Created by wind blowing over the surface of the water causing friction which leads to energy loss The top layer of molecules then sends the 2nd layer into motion
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The wind blows to the right in the Northern Hemisphere; to the left in the
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