weir head
Vertical distance from the crest of a weir to the water surface in the forebay above the weir, not including the velocity head of approach.
Authorization Path: 2.4.5.2.20.15
Vertical distance from the crest of a weir to the water surface in the forebay above the weir, not including the velocity head of approach.
Authorization Path: 2.4.5.2.20.15