Research Article
Study on Irrigation Water Quality in the Rift Valley Areas of Awash River Basin, Ethiopia
Table 3
Seasonal variation of pH data for three years (2016/17–2018/19) 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 | 7.29 | 7.19 | 7.19 | 7.52 | 7.84 | 7.50 | 7.34 | 9.33 | 7.56 | 7.61 | 8.11 | 7.58 | 8.87 | 7.44 | 7.76 | 7.57 | 7.41 | | Season 2 | 7.72 | 8.07 | 8.26 | 8.12 | 8.10 | 7.90 | 8.02 | 9.35 | 8.60 | 8.56 | 8.69 | 8.10 | 8.81 | 8.11 | 8.12 | 8.24 | 8.14 | | Season 3 | 7.92 | 8.16 | 8.26 | 8.18 | 8.23 | 7.50 | 8.15 | 9.28 | 8.48 | 8.50 | 8.60 | 8.33 | 8.75 | 8.22 | 8.26 | 8.27 | 8.27 | | Season 4 | 8.12 | 8.24 | 8.25 | 8.24 | 8.35 | 7.80 | 8.28 | 9.21 | 8.36 | 8.43 | 8.50 | 8.56 | 8.69 | 8.32 | 8.40 | 8.30 | 8.39 | | 2017/18 | Season 1 | 7.87 | 8.04 | 8.01 | 8.04 | 8.04 | 7.85 | 7.84 | 9.37 | 8.19 | 8.14 | 8.14 | 8.25 | 8.28 | 7.95 | 7.96 | 8.11 | 8.03 | | Season 2 | 7.66 | 8.02 | 8.25 | 8.09 | 8.11 | 7.92 | 7.62 | 9.37 | 8.45 | 8.14 | 8.15 | 8.38 | 8.44 | 7.78 | 8.01 | 8.07 | 8.04 | | Season 3 | 7.45 | 7.99 | 8.48 | 8.14 | 8.17 | 7.98 | 7.39 | 9.37 | 8.71 | 8.13 | 8.15 | 8.50 | 8.60 | 7.61 | 8.06 | 8.03 | 8.04 | | Season 4 | 7.89 | 8.09 | 8.13 | 8.16 | 8.23 | 7.76 | 8.19 | 9.28 | 8.46 | 8.61 | 8.68 | 8.49 | 8.94 | 8.40 | 8.41 | 8.25 | 8.46 | | 2018/19 | Season 1 | 8.01 | 7.89 | 7.41 | 7.77 | 7.86 | 8.42 | 7.92 | 9.40 | 8.48 | 8.36 | 8.24 | 8.10 | 8.50 | 8.08 | 8.32 | 8.40 | 8.43 | | Season 2 | 6.74 | 7.49 | 7.41 | 7.81 | 7.82 | 7.89 | 7.66 | 9.28 | 8.15 | 8.42 | 7.97 | 8.03 | 8.57 | 8.01 | 8.11 | 8.07 | 8.11 | | Season 3 | 7.40 | 7.08 | 7.40 | 7.85 | 7.78 | 7.25 | 7.39 | 9.15 | 7.81 | 8.49 | 7.69 | 7.95 | 8.64 | 7.93 | 7.90 | 7.74 | 7.79 | | Season 4 | 8.05 | 8.33 | 8.12 | 8.18 | 8.14 | 8.18 | 8.16 | 9.23 | 8.49 | 8.61 | 8.43 | 8.33 | 8.52 | 8.20 | 8.34 | 8.38 | 8.36 | | Mean | 7.68 | 7.88 | 7.93 | 8.01 | 8.06 | 7.83 | 7.83 | 9.30 | 8.31 | 8.33 | 8.28 | 8.22 | 8.63 | 8.00 | 8.14 | 8.12 | 8.12 | | Min | 6.74 | 7.08 | 7.19 | 7.52 | 7.78 | 7.25 | 7.34 | 9.15 | 7.56 | 7.61 | 7.69 | 7.58 | 8.28 | 7.44 | 7.76 | 7.57 | 7.41 | | Max | 8.12 | 8.33 | 8.48 | 8.24 | 8.35 | 8.42 | 8.28 | 9.40 | 8.71 | 8.61 | 8.69 | 8.56 | 8.94 | 8.40 | 8.41 | 8.40 | 8.46 | | SD | 0.40 | 0.41 | 0.44 | 0.22 | 0.19 | 0.31 | 0.34 | 0.08 | 0.33 | 0.29 | 0.31 | 0.28 | 0.19 | 0.28 | 0.21 | 0.25 | 0.30 |
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