Fig. 7
Several recommended sites for installation of RFR. a Along a riverbank. b Protruding into a river. c At a seashore. d In a river. α riverbank, β auxiliary bank, γ baffle bank, δ pier, ε extension dam of a pier, ζ seashore, η dam stretched into the sea, θ long boat, λ stand bar, μ riverbed, σ steel cable. Yellow arrows indicate the directions of flowing water