Cipolletti weir (trapezoidal weir)
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- A contracted weir of trapezoidal shape in which the sides of the notch are given a slope of 1 horizontal to 4 vertical.
Bureau of Reclamation - Cite This Source - This Definition - Broad-crested weir, Contracted weir, Deformation, Long-throated flumes, Ogee crest, Orifice, Overflow spillway (ogee spillway), Rectangular weir, Suppressed weir, Trapezoidal weir., V-notch weir, Weir