debris basin

English

Noun

debris basin (plural debris basins)

1. A facility to catch debris flows, to trap vegetative and sedimentary debris, such as gravel, boulders, branches, trunks; but allow water to drain; to prevent destruction from debris inundation and surge front downstream.

Coordinate terms

• dam
• weir
• grizzly bars / grizzly
• water gate
• sedimentation pond