How do ocean currents, warm currents, and cold currents affect weather and climate patterns?

Ocean currents act as conveyer belts of warm and cold water, sending heat toward the polar regions and helping tropical areas cool off, thus influencing both weather and climate. ... Land areas also absorb some sunlight, and the atmosphere helps to retain heat that would otherwise quickly radiate into space after sunset.

How does warm currents affect climate?
This heat is transported by ocean currents. In this way, the ocean currents help regulate Earth's climate by facilitating the transfer of heat from warm tropical areas to colder areas near the poles. The global wind patterns cause the surface currents to form in the uppers layer of the ocean.

Source: goo gel

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