FORCES

GLOBAL

Earth’s Rotation

Earth rotates to the right/ counter-clockwise

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EQUATOR

Continental Deflection

Since the Earth’s surface is not fully covered by water, currents cannot move freely around the world. So when surface currents meet continents they DEFLECT or change direction

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EQUATOR

CORIOLIS EFFECT

The Earth’s rotation causes surface currents to move in curved paths rather than in a straight line

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N

EQUATOR

Global Winds

Global winds are affected by their latitude and the Coriolis Effect. In the tropics, winds blow from the East to the West. In more temperate areas, the winds blow from the West to the East. Near the poles the winds blow from East to West.

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N

EQUATOR

DEEP OCEAN CURRENTS

Deep cold currents move water toward the equator. Cold water rises to replace warm water leaving. Warm water travels near the surface toward polar regions. Warm water replaces cold water.

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N

EQUATOR