Definition of "upwells" []

• Third-person singular simple present indicative form of upwell. (verb)

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• "A sensible-heat polynya forms when water that is above freezing upwells, or moves from the lower depths of the ocean to the surface."
• "This trade wind strength is important, because it affects Pacific Warm Pool surface temperature directly (evaporation/mixing) and indirectly (north-south flow of cool shallow subsurface water to the Equator, where it upwells and cools the Warm Pool surface)."
• "And the funny thing is that the amount of CO2 which upwells is greater than that which goes down, at least so far, because most of the CO2 in solution gets used by plankton for photosynthesis."