English edit

Etymology edit

silt +‎ -ation

Noun edit

siltation (usually uncountable, plural siltations)

  1. The (typically undesirable) increase in concentration and or of deposition of water-borne silt in a body of water.
    • 2009 March 20, Somini Sengupta, “In Silt, Bangladesh Sees Potential Shield Against Sea Level Rise”, in New York Times[1]:
      They are also heavily engineered upstream: a dam built upstream in neighboring India can critically stanch the flow of freshwater down here, increasingly the chances of salinity and siltation.
    • 2014, Elizabeth Kolbert, chapter 7, in The Sixth Extinction: An Unnatural History, Henry Holt and Company:
      The roster of perils includes, but is not limited to: overfishing, which promotes the growth of algae that compete with corals; agricultural runoff, which also encourages algae growth; deforestation, which leads to siltation and reduces water clarity; and dynamite fishing, whose destructive potential would seem to be self-explanatory.

Further reading edit