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Comparison of the stage-discharge relationship between the model and the empirical formula of Larinier et al. (2006b) (a) as a function of concentration and formula of Larinier et al. (2006b), Heimerl et al. (2008) and Pagliara et al. (2008) with k/D = 1 (b). Computation for a real scale fishway (S = 0.05, D = 0.4 m, ks = 0.1 m, Cd0 = 1).
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