Before revision: Scour , caused by swiftly moving water, can scoop out scour holes, compromising the integrity of a structure.Linda P. Warren, Scour at Bridges: Stream Stability and Scour Assessment at Bridges in Massachusetts, U.S. Geological Survey, 2011.
After revision: Hydrodynamic scour , caused by fast flowing water, can carve out scour holes, compromising the integrity of a structure.Linda P. Warren, Scour at Bridges: Stream Stability and Scour Assessment at Bridges in Massachusetts, U.S. Geological Survey, 2011.