Surface Circulation

Surface Circulation - MARS 1010 Outline Wind Driven...

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MARS 1010 - Outline Wind Driven Circulation – Ekman Transport Reading Assignment: Chapter 9 in Sverdrup and Armbrust 1. What effect do ocean currents (and the ocean in general) have on coastal climates? Ocean currents carry heat which has been heated by hot winds. Both the ocean and the winds work with each other. A good example of how ocean currents affect costal climates is England. The latitude it is at normally would be absolutely freezing, yet since it is near the gulf stream, a good, sea-warm weather is present. 2. How do water masses move relative to the wind direction? They move 45 degrees to the right of the wind direction in the northern hemisphere. a. What is the Ekman spiral? It is a spiral in which each deeper layer of water moves more slowly and with greater angle o deflection to the surface flow. b. What physical force acts between layers of the ocean? Spiral coriollis c. What is Ekman transport and in what direction does it occur relative to the wind for the northern and southern hemisphere?
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  • Fall '07
  • Jager
  • OCEAN CURRENTS, Ekman transport, North Equatorial Current, South Equatorial Current, West Greenland Currents, Antarctic Current

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