Upwelling vs Astroturfing - What's the difference?

upwelling | astroturfing |


As nouns the difference between upwelling and astroturfing

is that upwelling is an upward movement from a lower source while astroturfing is (us) the disguising of an orchestrated campaign as a "grass-roots" event – ie, a spontaneous upwelling of public opinion.

upwelling

Noun

(en noun)
  • An upward movement from a lower source.
  • * 2009 , (Diarmaid MacCulloch), A History of Christianity , Penguin 2010, p. 873:
  • Rather separate from the abolitionist campaign, although likewise led by anglophone Evangelicals, was a sudden upwelling of commitment to worldwide mission.
  • 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
  • astroturfing

    Noun

    (-)
  • (US) The disguising of an orchestrated campaign as a "grass-roots" event – i.e., a spontaneous upwelling of public opinion.
  • Synonyms

    * front organization