Irrigation Engineering
If D₁ and D₂ are depths of water upstream and downstream of a hydraulic jump, the loss of head at the jump, is

(D₂ - D₁)3/2D₁D₂
(D₂ - D₁)3/3D₁D₂
(D₂ - D₁)3/D₁D₂
(D₂ - D₁)3/4D₁D₂

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