Surface Currents: currents that flow at the top of the ocean, powered by global winds pushing water, also called wind-driven currents, carries both warm water from equator and cold water from the poles, water flows much faster, curved by the Coriolis effect, often flow in one ocean basin, have circular currents called gyres, have a big impact on local climates along coasts, examples: Gulf Stream & California Current, Deep Currents: currents that flow along the bottom of ocean, powered by colder, saltier water sinking, also called density currents, carries only cold water , water flows much slower, starts near the poles (north and south), flows through several ocean basins - connecting them, have a big impact on global climate for all of Earth, examples: Antarctic Bottom Water, North Atlantic Deep Water,

Ocean Currents

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