Research Article
Study on Irrigation Water Quality in the Rift Valley Areas of Awash River Basin, Ethiopia
Table 7
Seasonal variation of SAR for three years (2016/17ā2018/19) across different locations.
| Year | Season | Locations | Akaki | Mojo | Koka | Wonji | Melkasa | Tibila | Metehara | Beseka | Melkasedi | Werer | Ambash | Meteka | Meteka hot spring | Mille | Dupty | Assayta | Afambo |
| 2016/17 | Season 1 | 1.36 | 1.36 | 1.99 | 2.31 | 2.58 | 1.18 | 2.34 | 15.80 | 2.67 | 3.45 | 4.99 | 3.46 | 4.97 | 2.26 | 3.65 | 2.36 | 2.43 | Season 2 | 4.39 | 3.46 | 2.17 | 2.56 | 2.64 | 1.39 | 2.23 | 36.96 | 2.64 | 3.29 | 3.91 | 2.30 | 5.27 | 2.60 | 4.29 | 2.18 | 2.84 | Season 3 | 2.83 | 3.68 | 1.63 | 2.62 | 2.48 | 2.01 | 2.62 | 39.74 | 2.85 | 4.09 | 4.82 | 2.94 | 7.96 | 3.13 | 4.32 | 2.80 | 3.11 | Season 4 | 1.33 | 3.94 | 1.11 | 2.55 | 2.62 | 1.47 | 3.21 | 43.75 | 3.06 | 5.03 | 5.88 | 4.33 | 13.51 | 4.07 | 3.62 | 4.06 | 4.08 | 2017/18 | Season 1 | 1.93 | 6.11 | 1.46 | 8.50 | 1.28 | 1.89 | 4.32 | 29.11 | 3.79 | 4.62 | 3.67 | 3.28 | 6.23 | 0.98 | 2.63 | 2.52 | 2.85 | Season 2 | 1.48 | 4.95 | 1.94 | 5.45 | 1.25 | 1.96 | 3.05 | 32.15 | 5.73 | 6.86 | 5.93 | 6.04 | 9.75 | 2.10 | 2.74 | 2.94 | 3.28 | Season 3 | 1.04 | 3.52 | 2.43 | 1.34 | 1.25 | 1.91 | 1.51 | 35.58 | 8.11 | 9.49 | 9.86 | 8.67 | 17.68 | 2.96 | 2.86 | 3.54 | 3.79 | Season 4 | 1.40 | 0.61 | 2.28 | 1.40 | 1.72 | 2.48 | 1.71 | 95.66 | 5.95 | 8.47 | 7.60 | 4.72 | 29.00 | 1.88 | 4.98 | 3.33 | 3.08 | 2018/19 | Season 1 | 1.03 | 1.36 | 1.58 | 1.76 | 1.13 | 1.23 | 1.45 | 42.55 | 1.81 | 1.51 | 1.36 | 1.57 | 32.38 | 0.73 | 0.92 | 1.10 | 0.88 | Season 2 | 1.26 | 1.46 | 1.32 | 2.24 | 1.00 | 1.41 | 1.23 | 35.13 | 2.72 | 4.05 | 1.75 | 2.27 | 23.37 | 1.12 | 1.40 | 1.46 | 1.32 | Season 3 | 2.18 | 1.60 | 1.28 | 3.73 | 0.91 | 1.49 | 1.22 | 33.90 | 3.43 | 6.35 | 3.14 | 2.70 | 20.27 | 1.45 | 1.82 | 1.76 | 1.95 | Season 4 | 3.08 | 3.49 | 1.90 | 2.02 | 2.75 | 2.80 | 2.64 | 52.05 | 8.13 | 10.41 | 7.70 | 6.85 | 23.20 | 3.61 | 5.33 | 5.41 | 5.31 | Mean | 1.94 | 2.96 | 1.76 | 3.04 | 1.80 | 1.77 | 2.29 | 41.03 | 4.24 | 5.64 | 5.05 | 4.10 | 16.13 | 2.24 | 3.21 | 2.79 | 2.91 | Min | 1.03 | 0.61 | 1.11 | 1.34 | 0.91 | 1.18 | 1.22 | 15.80 | 1.81 | 1.51 | 1.36 | 1.57 | 4.97 | 0.73 | 0.92 | 1.10 | 0.88 | Max | 4.39 | 6.11 | 2.43 | 8.50 | 2.75 | 2.80 | 4.32 | 95.66 | 8.13 | 10.41 | 9.86 | 8.67 | 32.38 | 4.07 | 5.33 | 5.41 | 5.31 | SD | 1.02 | 1.68 | 0.42 | 2.05 | 0.75 | 0.50 | 0.94 | 19.32 | 2.19 | 2.72 | 2.51 | 2.13 | 9.57 | 1.07 | 1.40 | 1.19 | 1.20 |
|
|