… a role in producing suitable flow regions for upstream fish passage (Chanson, 2019b; Zhang
& Chanson, 2018). In summary, the hybrid modelling approach worked successfully for the …

… : (a) the culvert design is optimised for fish passage for small to … , and (b) lowvelocity zones
are provided along the wetted … size of low-velocity zones to facilitate upstream fish passage. …

… fish passage in standard box culverts 111 Appendix D Computational fluid dynamics (CFD)
modeling of a fishfriendly standard box culvert … , (b) low-velocity zones are provided along the …

… cell box culverts; or on both sidewalls of a single-cell box culvert… channel, typical of a standard
box culvert barrel, to gain some … passage of small-bodied fish and juveniles of large fish …

… generation of low velocity zones (LVZs) for fish passage. These … Overall, the present
experience suggests a hybrid approach … to assist upstream fish passage for lessthan-design flows. …

… sets not only provide high and low velocity areas for fish sheltering and assistance in fish …
The corner “EL” baffle fishway is a hybrid roughness and pool type fishway that is intended …

… Fish and Game); (F) a 60 m long double-box culvert on the Silnica River (Poland) without
infrastructure appropriate for fish passage and very low … use of sophisticated hybrid modelling …

… the low velocity zones conducive of upstream fish passage. … Chanson (2020b) used hybrid
modelling to characterised LVZ in … to assist fish passage: Why simple is better! River Research …

… low flows, baffles decrease the flow velocity and increase the water depth to facilitate fish
passage… would induce locally lower velocities and generate recirculation regions. Unfortunately…

… culverts can be derived for smooth standard box culvert by … approaches to assist fish
passage through culverts, especially … : one being a hybrid modelling combing CFD and …