Nav 112 - 06 Tidal and Ocean CURRENTS part 2

Nav 112 - 06 Tidal and Ocean CURRENTS part 2 - Week 7:...

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Week 7: Currents
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Lesson 10b: Currents Lesson 10b: Currents AGENDA: Tidal and Ocean Currents Predicting Tidal Currents Calculating Current at a Specific Time Calculating the Duration of Slack Water
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Definitions Definitions Current = the horizontal movement of a body of water. Causes: Gravitational effects of sun and moon Heating and cooling of Earth’s atmosphere Winds blowing across the ocean’s surface Changes in salinity due to rain and evaporation The Coriolis effect
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Types of Currents Types of Currents Ocean Currents Giant patterns of rotation “gyres” in each of the major ocean basins. Caused by natural effects: salinity, temperature, the Coriolis Effect, etc. Described in the Sailing Directions e.g. The Gulf Stream, The Cromwell Current Tidal Currents Caused by the rise and fall of tides in coastal waters.
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Major Ocean Currents Major Ocean Currents
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Predicting Ocean Predicting Ocean Currents Currents
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This note was uploaded on 04/07/2008 for the course NAVIGATION 201 taught by Professor Hannaford during the Spring '08 term at SUNY Maritime.

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Nav 112 - 06 Tidal and Ocean CURRENTS part 2 - Week 7:...

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