Season | Tidal periods | Summary statistics | EC (µS/cm) | TDS (mg/l) | DO (mg/l) | pH | Salinity (ppt) | Na⁺ (mg/l) | K⁺ (mg/l) | Ca²⁺ (mg/l) | Mg²⁺ (mg/l) | (mg/l) | (mg/l) | (mg/l) |
(mg/l) | Cl− (mg/l) |
Pre- monsoon | High Tide | Minimum | 34,000.00 | 17,000.00 | 3.80 | 7.53 | 21.15 | 9756.54 | 302.07 | 250.49 | 607.63 | 170.80 | 4.85 | 0.16 | 2441.64 | 15,066.25 |
Maximum | 36,800.00 | 18,500.00 | 5.80 | 7.66 | 22.78 | 11,759.24 | 368.10 | 410.80 | 899.29 | 231.80 | 9.44 | 0.18 | 4955.89 | 18,611.25 | ||
Mean | 35,300.00 | 17,718.18 | 4.61 | 7.60 | 22.04 | 10,849.31 | 336.64 | 281.46 | 694.04 | 186.88 | 6.47 | 0.16 | 3701.28 | 16,355.34 | ||
Stand. Dev1 | 788.67 | 411.87 | 0.58 | 0.04 | 0.52 | 576.05 | 19.25 | 44.01 | 75.36 | 17.74 | 1.52 | 0.01 | 882.41 | 1393.62 | ||
Median | 35,300.00 | 17,700.00 | 4.70 | 7.60 | 22.22 | 10,958.16 | 334.62 | 270.53 | 669.85 | 183.00 | 6.27 | 0.16 | 4196.77 | 16,838.75 | ||
Coeff. var2 | 2.23 | 2.32 | 12.59 | 0.52 | 2.36 | 5.31 | 5.72 | 15.64 | 10.86 | 9.49 | 23.41 | 3.97 | 23.84 | 8.52 | ||
Low Tide | Minimum | 31,100.00 | 15,700.00 | 4.10 | 7.50 | 19.32 | 7753.84 | 232.89 | 240.47 | 589.40 | 176.90 | 4.07 | 0.14 | 3049.05 | 13,293.75 | |
Maximum | 37,100.00 | 18,700.00 | 6.30 | 7.67 | 23.48 | 10,952.76 | 306.48 | 280.53 | 761.38 | 189.10 | 13.26 | 0.16 | 5272.42 | 16,293.75 | ||
Mean | 33,290.91 | 16,754.55 | 5.08 | 7.61 | 20.83 | 9217.74 | 262.12 | 257.77 | 663.04 | 183.55 | 7.92 | 0.15 | 3962.61 | 14,520.80 | ||
Stand. dev | 2061.29 | 1037.66 | 0.73 | 0.06 | 1.43 | 1025.58 | 26.79 | 11.06 | 62.27 | 5.07 | 3.12 | 0.01 | 644.08 | 1161.72 | ||
Median | 32,800.00 | 16,500.00 | 5.10 | 7.63 | 20.49 | 8955.46 | 253.23 | 260.49 | 643.31 | 183.00 | 9.04 | 0.15 | 4039.26 | 15,066.25 | ||
Coeff. var | 6.19 | 6.19 | 14.27 | 0.74 | 6.86 | 11.13 | 10.22 | 4.29 | 9.39 | 2.76 | 39.41 | 4.39 | 16.25 | 8.00 | ||
Monsoon | High Tide | Minimum | 216.00 | 109.20 | 5.20 | 7.79 | 0.02 | 15.14 | 5.73 | 30.06 | 8.51 | 115.90 | 4.46 | 0.01 | 9.00 | 21.27 |
Maximum | 1960.00 | 978.00 | 6.50 | 7.90 | 0.87 | 388.18 | 20.77 | 68.13 | 57.47 | 213.50 | 7.20 | 0.50 | 209.31 | 574.29 | ||
Mean | 603.82 | 301.85 | 5.82 | 7.85 | 0.21 | 77.86 | 9.03 | 38.71 | 19.44 | 141.55 | 6.17 | 0.11 | 55.88 | 121.17 | ||
Stand. dev | 662.08 | 331.02 | 0.42 | 0.04 | 0.32 | 118.66 | 5.58 | 14.64 | 18.51 | 33.36 | 0.72 | 0.19 | 71.98 | 187.61 | ||
Median | 283.00 | 143.20 | 5.90 | 7.86 | 0.05 | 16.46 | 6.20 | 31.07 | 11.15 | 128.10 | 6.17 | 0.02 | 15.13 | 23.36 | ||
Coeff. var | 109.65 | 109.67 | 7.28 | 0.47 | 157.84 | 152.39 | 61.75 | 37.83 | 95.20 | 23.57 | 11.72 | 176.87 | 128.81 | 154.83 | ||
Low Tide | Minimum | 211.00 | 107.00 | 4.00 | 7.82 | 0.01 | 14.81 | 5.41 | 32.06 | 8.51 | 115.90 | 3.95 | 0.07 | 12.23 | 20.09 | |
Maximum | 2050.00 | 1024.00 | 6.90 | 7.93 | 0.92 | 402.21 | 23.13 | 64.12 | 52.26 | 201.30 | 8.74 | 0.78 | 170.65 | 616.83 | ||
Mean | 597.36 | 299.93 | 5.58 | 7.89 | 0.20 | 86.06 | 9.18 | 39.99 | 16.80 | 137.71 | 5.77 | 0.28 | 52.27 | 127.91 | ||
Stand. dev | 714.80 | 358.75 | 1.02 | 0.03 | 0.35 | 134.99 | 6.83 | 12.17 | 16.77 | 29.50 | 1.35 | 0.30 | 58.62 | 209.05 | ||
Median | 221.00 | 110.80 | 6.00 | 7.89 | 0.02 | 15.47 | 5.73 | 34.07 | 8.51 | 122.00 | 6.17 | 0.11 | 19.00 | 21.27 | ||
Coeff. var | 119.66 | 119.61 | 18.27 | 0.40 | 173.49 | 156.86 | 74.48 | 30.45 | 99.79 | 21.42 | 23.35 | 109.74 | 112.15 | 163.44 | ||
Post-monsoon | High Tide | Minimum | 238.00 | 119.30 | 1.70 | 7.59 | 0.04 | 21.99 | 2.88 | 24.05 | 8.29 | 122.00 | 1.85 | 0.12 | 28.44 | 21.27 |
Maximum | 1137.00 | 568.00 | 3.60 | 7.68 | 0.52 | 232.56 | 7.75 | 44.09 | 26.74 | 170.80 | 2.40 | 0.16 | 249.43 | 277.78 | ||
Mean | 447.18 | 223.93 | 3.04 | 7.63 | 0.15 | 87.19 | 4.12 | 30.61 | 13.82 | 136.97 | 2.06 | 0.14 | 101.78 | 85.15 | ||
Stand. dev | 356.93 | 178.14 | 0.56 | 0.03 | 0.19 | 92.86 | 1.87 | 6.41 | 7.14 | 17.55 | 0.18 | 0.01 | 96.87 | 99.97 | ||
Median | 249.00 | 125.30 | 3.30 | 7.63 | 0.04 | 24.52 | 3.13 | 28.05 | 10.94 | 128.10 | 2.03 | 0.14 | 35.95 | 25.36 | ||
Coeff. var | 79.82 | 79.55 | 18.29 | 0.39 | 128.13 | 106.51 | 45.54 | 20.93 | 51.63 | 12.81 | 8.97 | 8.78 | 95.18 | 117.42 | ||
Low Tide | Minimum | 227.00 | 114.00 | 2.20 | 7.52 | 0.03 | 20.31 | 2.75 | 28.05 | 6.08 | 122.00 | 1.31 | 0.13 | 17.58 | 21.27 | |
Maximum | 1056.00 | 528.00 | 4.70 | 7.78 | 0.47 | 236.08 | 7.63 | 44.09 | 25.52 | 164.70 | 5.28 | 0.16 | 252.73 | 280.60 | ||
Mean | 438.00 | 219.18 | 3.37 | 7.71 | 0.14 | 88.66 | 4.15 | 32.79 | 11.86 | 135.71 | 2.94 | 0.14 | 100.77 | 87.47 | ||
Stand. dev | 318.87 | 159.31 | 0.89 | 0.07 | 0.17 | 94.65 | 1.81 | 5.62 | 6.79 | 15.14 | 1.30 | 0.01 | 103.92 | 102.54 | ||
Median | 261.00 | 131.00 | 3.70 | 7.71 | 0.05 | 22.31 | 3.13 | 30.06 | 8.51 | 134.20 | 2.49 | 0.14 | 33.47 | 22.36 | ||
Coeff. var | 72.80 | 72.69 | 26.49 | 0.88 | 118.95 | 106.75 | 43.61 | 17.13 | 57.23 | 11.16 | 44.06 | 5.90 | 103.13 | 117.23 |