Research Article
Study on Irrigation Water Quality in the Rift Valley Areas of Awash River Basin, Ethiopia
Table 4
Seasonal variation of EC (dS/m) 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 | 0.35 | 0.23 | 0.21 | 0.31 | 0.59 | 0.35 | 0.30 | 3.73 | 0.48 | 0.55 | 0.54 | 0.31 | 1.21 | 0.44 | 0.67 | 0.55 | 0.63 | Season 2 | 0.41 | 0.38 | 0.60 | 0.60 | 0.70 | 0.47 | 0.60 | 3.24 | 0.53 | 0.56 | 0.68 | 0.70 | 0.76 | 0.52 | 0.62 | 0.65 | 0.72 | Season 3 | 0.61 | 0.48 | 0.65 | 0.65 | 0.79 | 0.57 | 0.65 | 4.59 | 0.58 | 0.59 | 0.75 | 0.75 | 0.83 | 0.61 | 0.67 | 0.68 | 0.74 | Season 4 | 0.80 | 0.57 | 0.70 | 0.70 | 0.82 | 0.58 | 0.70 | 5.94 | 0.63 | 0.62 | 0.81 | 0.74 | 0.89 | 0.70 | 0.71 | 0.71 | 0.79 | 2017/18 | Season 1 | 0.63 | 3.43 | 0.62 | 3.43 | 0.39 | 0.45 | 1.08 | 3.52 | 1.01 | 1.21 | 1.19 | 0.63 | 1.54 | 0.46 | 0.69 | 0.70 | 0.65 | Season 2 | 0.65 | 2.12 | 0.70 | 2.01 | 0.42 | 0.46 | 0.94 | 3.55 | 1.04 | 1.22 | 1.23 | 0.91 | 1.62 | 0.55 | 0.71 | 0.77 | 0.68 | Season 3 | 0.67 | 0.81 | 0.78 | 0.59 | 0.44 | 0.47 | 0.79 | 3.57 | 1.06 | 1.24 | 1.28 | 1.19 | 1.70 | 0.64 | 0.79 | 0.79 | 0.71 | Season 4 | 0.71 | 0.85 | 0.71 | 0.61 | 0.49 | 0.51 | 0.80 | 3.56 | 0.99 | 0.86 | 0.80 | 0.72 | 1.12 | 0.65 | 0.78 | 0.81 | 0.75 | 2018/19 | Season 1 | 0.51 | 0.30 | 0.52 | 0.26 | 0.33 | 0.79 | 0.31 | 3.26 | 0.61 | 0.57 | 0.39 | 0.61 | 1.15 | 0.41 | 0.75 | 0.75 | 0.79 | Season 2 | 0.88 | 0.65 | 0.67 | 0.31 | 0.34 | 0.69 | 0.36 | 3.40 | 1.11 | 0.75 | 0.78 | 0.86 | 1.32 | 0.53 | 0.79 | 0.79 | 0.81 | Season 3 | 0.81 | 0.99 | 0.82 | 0.36 | 0.36 | 0.60 | 0.41 | 3.53 | 1.61 | 0.93 | 1.18 | 1.10 | 1.48 | 0.66 | 0.84 | 0.84 | 0.83 | Season 4 | 0.82 | 0.95 | 0.83 | 0.45 | 0.43 | 0.48 | 0.47 | 3.52 | 1.02 | 1.30 | 0.91 | 0.80 | 1.20 | 0.65 | 0.86 | 0.86 | 0.84 | Mean | 0.65 | 0.98 | 0.65 | 0.86 | 0.51 | 0.53 | 0.62 | 3.78 | 0.89 | 0.87 | 0.88 | 0.78 | 1.23 | 0.57 | 0.74 | 0.74 | 0.75 | Min | 0.35 | 0.23 | 0.21 | 0.26 | 0.33 | 0.35 | 0.30 | 3.24 | 0.48 | 0.55 | 0.39 | 0.31 | 0.76 | 0.41 | 0.62 | 0.55 | 0.63 | Max | 0.88 | 3.43 | 0.83 | 3.43 | 0.82 | 0.79 | 1.08 | 5.94 | 1.61 | 1.30 | 1.28 | 1.19 | 1.70 | 0.70 | 0.86 | 0.86 | 0.84 | SD | 0.17 | 0.92 | 0.17 | 0.93 | 0.17 | 0.12 | 0.25 | 0.76 | 0.33 | 0.30 | 0.29 | 0.23 | 0.31 | 0.10 | 0.07 | 0.09 | 0.07 |
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