Beach 4
Beach 4 : The zone of unconsolidated material that extends landward from the low water line to the place where there is marked change in material or physio?graphic form, or to the line of permanent vegetation (usually the effective limit of storm waves). The seaward limit of a beach--unless other?wise specified--is the mean low water line. A beach includes fore?shore and backshore. See also: Shore, Sustainable Beach, And Self-Sustaining Beach