OCEAN CIRCULATION

What is Ocean Circulation?

• Ocean Circulation is the large scale movement of waters
• In the ocean basins. Winds drive surface circulation , and the 
• cooling and sinking of waters in the polar regions drive deep circulation. 

How does it affect the environment?

• Wind speed, direction&gusts
• Nutrient,sediment,concentration of chemicals in environments
• Surface currents near the equator is heated by the sun and makes it warm
• Trade winds and rotation of the earth makes water flow

Two types of surface currents

Cold Currents

• west coast
• toward the equator
• cool water to tropical regions

Warm Currents

• east coasts
• away from the equator
• tropical air north

Global Circulation

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