Open Oceans Flashcards

1
Q

Which way is the Coriolis force deflected to in the Northern Hemisphere?

A

The right.

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2
Q

Which way is the Coriolis force deflected to in the Southern Hemisphere?

A

The left.

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3
Q

What does an Ekman Spiral create? Where does it face?

A

Ekman transport, and it always starts 45 degrees in the direction of the wind, and ends 180 degrees from the wind direction.

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4
Q

How many gyres are there?

A

5.

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5
Q

What is the inter-tropical convergence zone?

A

A belt of low pressure which circles the earth, where the trade winds of the Northern and Southern hemispheres come together.

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6
Q

Where is evaporation less than precipitation?

A

Along the equator.

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7
Q

Where are higher amounts of chlorophyll found in the surface ocean?

A

Along the equator due to equatorial upwelling when wind causes divergence of water.

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8
Q

What are the approximate sizes of warm and cold core rings?

A

~1000km.

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9
Q

What are major surface ocean currents driven by?

A

A combined effect of:
+Major global wind patterns (heating of the earth by the sun)
+Latitudinal variation in the Coriolis force.

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