Table 1 Lowest values (L), highest values (H) and means (M) of some physicochemical features of water samples collected from five sites in El-Zinnar canal (ZN) and five sites in El-Ibrahimia canal (IB) during four seasons (from winter 2017 to autumn 2018)
Seasons | Winter | Spring | ||||||||||
Water body | ZN | IB | ZN | IB | ||||||||
Parameters | L | H | M | L | H | M | L | H | M | L | H | M |
Temperature (ËšC) | 20.7 | 21.5 | 21.2 | 21.0 | 23.0 | 22.0 | 19.0 | 20.0 | 19.2 | 20.0 | 21.0 | 20.5 |
pH | 8.1 | 8.5 | 8.3 | 8.7 | 9.0 | 8.9 | 8.4 | 8.7 | 8.6 | 8.4 | 8.6 | 8.5 |
Conductivity (µS/cm) | 357.0 | 469.0 | 415.0 | 338.0 | 730.0 | 428.2 | 24.0 | 215.0 | 166.3 | 181.5 | 184.8 | 183.7 |
Organic matter(mg/L) | 9.0 | 18.2 | 12.3 | 6.5 | 12.4 | 10.42 | 2.0 | 33.8 | 12.9 | 6.2 | 11.3 | 8.7 |
Na+ (mg/L) | 38.9 | 51.0 | 43.5 | 39.0 | 92.0 | 50.9 | 43.3 | 52.0 | 47.6 | 34.1 | 58.7 | 43.4 |
K+ (mg/L) | 2.2 | 14.9 | 6.3 | 4.0 | 4.8 | 4.4 | 6.9 | 27.0 | 13.9 | 5.1 | 218.0 | 52.7 |
Ca2+ (mg/L) | 60.0 | 116.0 | 75.2 | 61.0 | 98.0 | 72.6 | 100.0 | 140.0 | 118.0 | 76.0 | 134.0 | 97.2 |
Mg2+ (mg/L) | 12.2 | 77.8 | 57.4 | 34.0 | 60.8 | 48.1 | 36.5 | 61.0 | 50.6 | 48.6 | 69.3 | 57.6 |
Cl− (mg/L) | 105.0 | 155.8 | 134.8 | 96.3 | 168.0 | 118.7 | 175.0 | 350.0 | 235.6 | 140.0 | 248.0 | 181.0 |
HCO3ˉ (mg/L) | 420.9 | 457.5 | 433.7 | 366.0 | 610.0 | 466.7 | 162.7 | 200.0 | 181.3 | 135.5 | 183.0 | 160.8 |
NO3− (mg/L) | 4.3 | 16.1 | 11.2 | 3.9 | 17.9 | 9.7 | 4.28 | 31.2 | 22.1 | 6.1 | 69.7 | 30.3 |
PO43−(mg/L) | 0.9 | 3.4 | 1.7 | 0.8 | 20.1 | 5.0 | 1.2 | 24.0 | 10.1 | 1.0 | 8.0 | 3.3 |
SO42−(mg/L) | 51.5 | 105.0 | 69.4 | 21.7 | 211.0 | 76.1 | 12.0 | 111.0 | 41.9 | 46.7 | 106.6 | 65.6 |
Seasons | Summer | Autumn | ||||||||||
Water body | ZN | IB | ZN | IB | ||||||||
Parameters | L | H | M | L | H | M | L | H | M | L | H | M |
Temperature (ËšC) | 33.0 | 33.0 | 33.0 | 32.8 | 33.1 | 32.9 | 31.4 | 32.5 | 32.1 | 31.8 | 32.8 | 32.3 |
pH | 7.5 | 8.0 | 7.8 | 8.4 | 8.5 | 8.4 | 7.3 | 8.1 | 7.8 | 7.9 | 8.5 | 8.3 |
Conductivity (µS/cm) | 323.0 | 441.0 | 353.0 | 300.0 | 315.0 | 305.4 | 334.0 | 647.0 | 429.4 | 327.0 | 485.0 | 363.8 |
Organic matter(mg/L) | 3.8 | 71.0 | 26.9 | 15.0 | 33.0 | 22.8 | 7.9 | 24.5 | 15.8 | 2.9 | 18.7 | 9.2 |
Na+ (mg/L) | 36.0 | 57.6 | 44.3 | 36.8 | 44.0 | 40.26 | 29.4 | 60.9 | 39.1 | 25.3 | 45.4 | 31.0 |
K+ (mg/L) | 7.2 | 34.0 | 13.6 | 4.7 | 31.2 | 11.58 | 3.7 | 9.6 | 5.3 | 2.6 | 3.93 | 3.4 |
Ca2+ (mg/L) | 52.0 | 60.0 | 55.6 | 42.0 | 62.0 | 50.4 | 60.0 | 88.0 | 72.3 | 66.7 | 112.0 | 91.8 |
Mg2+ (mg/L) | 48.0 | 58.0 | 52.5 | 42.5 | 60.0 | 47.6 | 68.7 | 90.5 | 81.4 | 46.6 | 74.4 | 62.7 |
Cl− (mg/L) | 112.0 | 130.0 | 119.8 | 102.0 | 128 | 111.8 | 280.0 | 322.0 | 298.3 | 263.0 | 315.0 | 290.5 |
HCO3ˉ (mg/L) | 234.0 | 263.0 | 246.4 | 154.0 | 220 | 172.34 | 103.7 | 158.6 | 129.9 | 97.6 | 128.1 | 116.5 |
NO3− (mg/L) | 9.2 | 67.9 | 26.6 | 3.7 | 9.2 | 6.36 | 25.1 | 35.5 | 29.8 | 24.5 | 38.0 | 31.1 |
PO43−(mg/L) | 0.3 | 2.6 | 1.5 | 0.2 | 36.0 | 10.84 | 13.4 | 26.9 | 19.7 | 18.9 | 36.7 | 23.4 |
SO42−(mg/L) | 4.5 | 53.3 | 18.2 | 49.7 | 87.0 | 71.0 | 142.3 | 194.8 | 162.8 | 136.9 | 183.6 | 153.5 |