The rising of cold, nutrient-rich water from the ocean depths to the surface, typically driven where wind pushes surface water away from a coastline or where diverging currents pull surface water apart. Upwelling zones, such as those off the coasts of Peru and California, support some of the ocean's most productive fisheries because the nutrients they bring up fuel abundant phytoplankton growth.
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1. Upwelling (Wikipedia)
Wikipedia infobox 'Lead section' = 'Upwelling is an oceanographic phenomenon that involves wind-driven ...' on 'Upwelling'View the Source 2. Upwelling, Wikipedia
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Upwelling is an oceanographic phenomenon that involves wind-driven motion of dense, cooler, and usually nutrient-rich water from deep water towards the ocean surface.
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