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 A stream of moving particles  Can be identified as: ◦ Surface ◦ Deep.

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Presentation on theme: " A stream of moving particles  Can be identified as: ◦ Surface ◦ Deep."— Presentation transcript:

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2  A stream of moving particles  Can be identified as: ◦ Surface ◦ Deep

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4  Created mainly by WIND  Affect the water depth to about 200 M  What would the currents look like if the Earth didn’t rotate?  Why do currents curve? ◦ Coriolis Effect

5  Due to earth’s rotation, wind and currents curve  Northern Hemisphere: curve Right  Southern Hemisphere: curve _____

6  Climate is pattern of temperature and precipitation typical of an area over a long period of time.  Surface currents warm or cool air above it influencing the climate of the land near the coast.  El Niño!?!

7  Caused by differences in the density of ocean water (temp/salinity)  Move and mix water around the world  Carry cold water from poles towards equator  Upwelling movement of nutrient rich cold water from deep towards the surface.

8  Where do surface currents flow?  Where do deep currents flow?  What causes surface currents to flow?  What causes deep currents to flow?  What is the Coriolis effect?

9  Movement of energy through body of water  Most form when wind blows across waters surface  Waves Waves

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11  Starts in open ocean, why?  What affects the size of the wave? ◦ Strength of wind ◦ Duration of wind ◦ Distance wind blows  Wave Motion Wave Motion  Surf Surf  Where would you find a longer wavelength?

12  How do waves change from open ocean to shore?

13  Wave height:Increases ◦ Pushes on ocean floor  Wavelength:Decreases  Wave Speed:Decreases

14  Created by earthquakes on the ocean floor  Tsunami wave Tsunami wave  How could a ship off shore not be affected by a tsunami wave?

15  Ability to build and destroy ◦ Longshore drift  Building sandbars  Rip currents: flow of water back to the ocean

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17  tides_simulator tides_simulator


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