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NOAA Web activity Currents.

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Presentation on theme: "NOAA Web activity Currents."— Presentation transcript:

1 NOAA Web activity Currents

2 What are currents? What 3 things cause them?

3 What are gyres? How do surface currents differ from deep currents?

4 What is the corriolis effect?
In the northern hemisphere, deflection is to the ___________, and in the southern hemisphere it is to the _________.

5 What are examples of temporary currents?
Why does upwelling occur? Why do creatures need downwelling? How long does the global conveyer belt take to circulate?

6 How do ocean currents affect the world’s climate?

7 El Niño What is it caused by?
What affect does it have on Peruvian fishermen? How can it cause death around the world?


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