O'Connor and Dobbins (1958): ko = 3.93 V0.5 D-1.5
[0.3 m < D < 9 m; 0.15 m/s < V < 0.5 m/s]
Churchill et al. (1962): ko = 5.23 V D-1.67
[0.6 m < D < 3 m; 0.55 m/s < V < 1.5 m/s]
Owens et al. (1964): ko = 5.32 V0.67 D-1.85
[0.1 m < D < 3 m; 0.03 m/s < V < 1.5 m/s]
Tsivoglou and Wallace (1972): ko = 31,000 VS
[0.3 m < D < 0.9 m; 0.03 m3/s < Q < 0.3 m3/s]
1. Pool and riffle streams, Q ≤ 0.556 m3/s: ko = 517 (VS)0.524 Q-0.242 2. Pool and riffle streams, Q > 0.556 m3/s: ko = 596 (VS)0.528 Q-0.136 3. Channel-control streams, Q ≤ 0.556 m3/s: ko = 88 (VS)0.313 D-0.353 4. Channel-control streams, Q > 0.556 m3/s: ko = 142 (VS)0.333 D-0.66 W-0.243
θ = 1.025
Your request was processed at 08:35:54 am on November 21st, 2024 [ 241121 08:35:54 ].