Fig. 4. Geometric parameters for the numerical optimization process. a in Scientific Note Proposal of a Sluice-type Fish Pass

Fig. 4. Geometric parameters for the numerical optimization process. a) water level in the pool, b) intermediate wall height c) level difference between the pools, d) opening under the sluice, e) the dimension of the pool and f) position of the wall (see Fig. 3 for legend).