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Scour (Jbyn)

Definition
The washing away of streambed material by water channel flow. General scour occurs as a result of a constriction in the water channel openings; local scour occurs as a result of local flow changes in a channel due to constrictions caused by the presence of bridge piers or abutments. (Source: AASHTO Glossary)
Use For
Channel erosion
Stream erosion
Stream scour
Water erosion
Broader Term
Deterioration by environmental action (Jby)
Related Terms (Hierarchical)
Biodeterioration (Jbyb)
Fouling (Naval architecture) (Jbyd)
Flood damage (Jbye)
Frost damage (Jbyf)
Moisture damage (Jbym)
Settlement (Structures) (Jbyp)
Silting (Jbyq)
Thermal degradation (Jbyt)
Weathering (Jbyy)