English edit

Etymology edit

sub- +‎ watershed

Noun edit

subwatershed (plural subwatersheds)

  1. Any of several parts of a watershed that drain to a specific location.
    • 2015 July 18, “Urban Stream Burial Increases Watershed-Scale Nitrate Export”, in PLOS ONE[1], →DOI:
      Model simulations were conducted in the Gwynns Falls Watershed (171 km 2 ), Maryland, USA, a subwatershed that discharges to the Chesapeake Bay. The three streams included in the Pennino et al.