“…During the study, the natural regeneration of the sand deposit during large flood events was observed. It is possible to improve the system by replacing the artificial weirs with ramps of gabions 2 that maintain hydraulic continuity and produce more efficient aeration than waterfalls (Khdhiri 2014;Khdhiri et al 2014). Constructed riffles should be tested on other small creeks in parallel with a design assistance model.…”