Upwelling

Science / Geology / Upwelling: Movement of cold water from the floor of a lake or ocean up into a shallow area.

Upwelling Current

Science / Geology / Upwelling Current: The upward movement of cold bottom water in the sea, which occurs when wind or currents displace the lighter surface water. MORE

Humboldt Current

Science / Weather / Humboldt Current: Also known as the Peru Current, this ocean current flows northward along the western side of South America, offshore Chile and Peru. There is considerable upwelling of the colder subsurface waters due MORE

El Niño-Southern Oscillation (ENSO)

Science / Marine Biology / El Niño-Southern Oscillation (ENSO): Condition in which warm surface water moves into the eastern Pacific, collapsing upwelling and increasing surface-water temperatures and precipitation along the west coast of North and South America MORE

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