Before revision: Wave overtopping in Vlissingen during a storm, 1953 or 1954 Overtopping on the inner slope of a dike in Northern Germany during a storm, 1954 upright=1.9|Wave overtopping and wave run-up at a coastal structure is the time-averaged amount of water that is discharged per linear metre by waves over a structure such as a breakwater, revetment or dike which has a crest height above still water level.
After revision: Wave overtopping in Vlissingen during a storm, 1953 or 1954 Overtopping on the inner slope of a dike in Northern Germany during a storm, 1954 upright=1.9|Wave overtopping and wave run-up at a coastal structure is the time-averaged amount of water that is discharged (in liters per second) per structure length (in meters)Wave overtopping by waves over a structure such as a breakwater, revetment or dike which has a crest height above still water level.