Table 3 Results of infiltration parameters and Manning’s roughness coefficient under different treatment.
Length (m) | Inflow rate (lps) | 1st irrigation | 3rd irrigation | 5th irrigation | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Tco (min) | k (mm/hra | α | f0 (mm/h) | Vin (m3) | η | Tco (min) | k (mm/hra) | α | f0 (mm/h) | η | Vin (m3) | Tco(min) | k (mm/hra) | α | f0 (mm/h) | Vin (m3) | η | ||
CFI | |||||||||||||||||||
45 | 1 | 55 | 42.60 | 0.218 | 3 | 3.3 | 0.023 | 63 | 52.67 | 0.314 | 4 | 0.117 | 3.78 | 58 | 49.30 | 0.233 | 2.9 | 3.48 | 0.062 |
1.5 | 42 | 54.29 | 0.315 | 3.2 | 3.78 | 0.019 | 48 | 67.82 | 0.514 | 4.2 | 0.091 | 4.32 | 46 | 57.66 | 0.335 | 2.9 | 4.14 | 0.057 | |
2 | 33 | 64.54 | 0.426 | 3.1 | 3.96 | 0.017 | 40 | 72.68 | 0.554 | 4.1 | 0.083 | 4.56 | 38 | 68.23 | 0.316 | 2.7 | 4.56 | 0.048 | |
55 | 1 | 63 | 35.46 | 0.17 | 3.2 | 3.78 | 0.023 | 68 | 49.35 | 0.307 | 3.5 | 0.117 | 4.08 | 66 | 43.98 | 0.35 | 3 | 5.94 | 0.062 |
1.5 | 50 | 47.95 | 0.439 | 3.3 | 4.5 | 0.019 | 53 | 73.56 | 0.452 | 3.9 | 0.091 | 4.77 | 53 | 59.66 | 0.313 | 2.9 | 4.77 | 0.057 | |
2 | 40 | 54.44 | 0.461 | 3.1 | 4.8 | 0.017 | 43 | 75.44 | 0.344 | 3.9 | 0.083 | 5.16 | 43 | 67.33 | 0.391 | 2.8 | 5.16 | 0.048 | |
65 | 1 | 72 | 31.99 | 0.245 | 3.1 | 4.32 | 0.023 | 80 | 63.21 | 0.422 | 4 | 0.117 | 5.66 | 75 | 36.20 | 0.425 | 2.9 | 4.68 | 0.062 |
1.5 | 63 | 44.66 | 0.384 | 3.2 | 5.6 | 0.019 | 68 | 75.47 | 0.397 | 3.7 | 0.091 | 6.1 | 66 | 51.22 | 0.433 | 2.7 | 5.94 | 0.057 | |
2 | 50 | 51.64 | 0.494 | 2.9 | 6 | 0.017 | 55 | 81.33 | 0.494 | 3.5 | 0.083 | 6.6 | 53 | 68.12 | 0.552 | 2.9 | 6.36 | 0.048 | |
AFI | |||||||||||||||||||
45 | 1 | 72 | 72.88 | 0.388 | 4.2 | 4.32 | 0.020 | 81 | 76.47 | 0.357 | 4.5 | 0.115 | 4.86 | 75 | 71.48 | 0.342 | 3.8 | 4.5 | 0.059 |
1.5 | 58 | 89.64 | 0.329 | 4.1 | 5.22 | 0.016 | 65 | 104.62 | 0.392 | 4.3 | 0.093 | 5.85 | 63 | 94.79 | 0.377 | 3.6 | 5.67 | 0.053 | |
2 | 47 | 118.63 | 0.375 | 4.1 | 5.64 | 0.014 | 57 | 126.76 | 0.412 | 4.2 | 0.087 | 6.84 | 55 | 107.18 | 0.384 | 3.2 | 6.6 | 0.043 | |
55 | 1 | 75 | 59.96 | 0.305 | 4.3 | 4.5 | 0.020 | 85 | 65.29 | 0.366 | 4.2 | 0.115 | 5.1 | 82 | 99.10 | 0.351 | 3.6 | 4.92 | 0.059 |
1.5 | 62 | 80.70 | 0.416 | 4.1 | 5.58 | 0.016 | 71 | 86.96 | 0.347 | 4.1 | 0.093 | 6.39 | 67 | 90.47 | 0.375 | 3.8 | 6.03 | 0.053 | |
2 | 49 | 109.39 | 0.382 | 4 | 5.88 | 0.014 | 58 | 97.37 | 0.396 | 4.1 | 0.087 | 6.96 | 59 | 99.91 | 0.396 | 3.6 | 7.08 | 0.043 | |
65 | 1 | 85 | 56.18 | 0.393 | 4.2 | 5.1 | 0.020 | 97 | 93.10 | 0.331 | 4.4 | 0.115 | 5.82 | 91 | 60.79 | 0.377 | 3.5 | 5.46 | 0.059 |
1.5 | 72 | 81.16 | 0.389 | 4.1 | 6.66 | 0.016 | 86 | 96.16 | 0.387 | 4.3 | 0.093 | 7.74 | 81 | 82.79 | 0.396 | 3.3 | 7.29 | 0.053 | |
2 | 60 | 96.44 | 0.298 | 4 | 7.2 | 0.014 | 71 | 101.50 | 0.389 | 4.2 | 0.087 | 8.52 | 67 | 100.72 | 0.398 | 3.1 | 8.04 | 0.043 |