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All issues No 418 (2017) Knowl. Manag. Aquat. Ecosyst., 418 (2017) 23 Full HTML

Table 3

Summary of the coefficients for different VSF subtypes using Villemonte's discharge equation (Eq. (4)). L and B are the length and width of the pool respectively.

Subtype β0 β1 R2 RMSE L B Data points Data source
1a 0.705 0.317 0.786 0.0285 10b 8b 161 Rajaratnam et al. (1986, 1992), FAO/DVWK (2002), Fuentes-Pérez et al. (2014) + 4 field cases
2b 0.671 0.326 0.971 0.0163 10b 8b 4 Rajaratnam et al. (1986, 1992)
3 0.539 0.378 0.946 0.0181 10b 8b 45 Rajaratnam et al. (1986, 1992)
4 1.296 0.387 0.956 0.0372 10b 8b 12 Rajaratnam et al. (1986, 1992)
5 0.568 0.406 0.991 0.0066 10b 8b 9 Rajaratnam et al. (1986, 1992)
6a 0.858 0.574 0.900 0.0472 10b 8b 32 Rajaratnam et al. (1986, 1992), Puertas et al. (2004)
7 0.495 0.337 0.937 0.0138 10b 8b 9 Rajaratnam et al. (1986, 1992)
8 0.322 0.314 0.954 0.0089 5b 8b 12 Rajaratnam et al. (1992)
9 0.312 0.292 0.945 0.0087 5b 4b 11 Rajaratnam et al. (1992)
10 0.317 0.416 0.991 0.0051 5b 2.67b 14 Rajaratnam et al. (1992)
11 0.719 0.458 0.997 0.0057 15b 8b 17 Rajaratnam et al. (1992)
12 0.754 0.465 0.992 0.0220 15b 4b 15 Rajaratnam et al. (1992)
13 1.162 0.531 0.987 0.0126 15b 2b 17 Rajaratnam et al. (1992)
14 0.804 0.469 0.977 0.0159 10b 8b 19 Rajaratnam et al. (1992)
15 0.718 0.468 0.990 0.0091 10b 8b 16 Rajaratnam et al. (1992)
16a 0.844 0.433 0.951 0.0243 10b 8b 30 Rajaratnam et al. (1992), Puertas et al. (2004)
17 0.630 0.301 0.962 0.0089 10b 8b 9 Rajaratnam et al. (1992)
18b 0.740 0.311 0.933 0.0136 10b 8b 9 Rajaratnam et al. (1992)
a

Recommended by Rajaratnam et al. (1992).

b

Equal to subtype 1 but with a p = 0.15 m.

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