Definition, Meaning & Synonyms

upwelling

noun

/ʌpˈwɛlɪŋ/

Definition

Upwelling is the process by which deep, cold water rises to the surface, bringing nutrients with it.

Examples

The upwelling along the coast supports a rich fishery.
During the summer months, ocean temperatures rise but upwelling can still occur, leading to bursts of phytoplankton growth.
Scientists study upwelling zones to understand their impact on global marine ecosystems.

Meaning

The phenomenon of upwelling involves the ascent of nutrient-rich waters from the ocean depths to the surface, which can support biological productivity in marine ecosystems.