upwelling

noun

1. An upward movement from a lower source.

   “Rather separate from the abolitionist campaign, although likewise led by anglophone Evangelicals, was a sudden upwelling of commitment to worldwide mission.”

2. the oceanographic phenomenon that occurs when strong, usually seasonal, winds push water away from the coast, bringing cold, nutrient-rich deep waters up to the surface

verb

1. (form-of, gerund, participle, present)present participle and gerund of upwell