The longitudinal profile of the water surface in an open channel where the water surface is raised above its normal level by a natural or artificial obstruction. The term is sometimes used in a generic sense to denote all water surface profiles, or profiles where the water is flowing at depths greater than critical.
BACKWATER CURVE
Meaning of BACKWATER CURVE in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012