Table 2 Result of trend tests at various sites for annual maximum discharge
From: Trend analysis of hydrological parameters of Ganga River
| Gauging sites | Annual maximum discharge | ||||||
|---|---|---|---|---|---|---|---|
| M-K | ITA | ||||||
| Zs | Sen’s slope | First half mean (\( \overline{Y_1}\Big) \) | Second half mean (\( \overline{Y_2}\Big) \) | Standard deviation (σ) | Trend slope (s) | Critical slope (Scr) | |
| Garhmukteshwar | − 2.40 | − 45.99 | 4885.11 | 3982.02 | 1882.19 | − 39.26 | 8.70 |
| Kachlabridge | − 1.13 | − 23.80 | 5823.42 | 5255.55 | 2035.86 | − 27.09 | 8.42 |
| Fatehgarh | − 2.90 | − 62.29 | 4619.31 | 4001.76 | 2149.99 | − 29.41 | 10.85 |
| Ankinghat | − 1.76 | − 63.48 | 7185.97 | 5568.13 | 2793.11 | − 77.04 | 12.19 |
| Kanpur | − 2.95 | − 74.08 | 7681.23 | 6726.19 | 3281.95 | − 39.79 | 17.49 |
| Bhitaura | − 1.97 | − 73.08 | 6896.84 | 6259.51 | 4201.39 | − 30.33 | 22.37 |
| Shahzadpur | − 5.23 | − 133.54 | 8616.78 | 4157.99 | 3675.75 | − 185.78 | 11.99 |
| Allahabad | − 4.53 | − 700.38 | 35,531.12 | 21,127.23 | 14,052.62 | − 685.85 | 46.98 |
| Mirzapur | − 3.63 | − 601.54 | 33,788.85 | 22,054.23 | 13,564.81 | − 617.62 | 65.81 |
| Varanasi | − 2.45 | − 227.28 | 31,319.52 | 23,689.52 | 9972.47 | − 317.92 | 22.47 |
| Buxar | − 2.74 | − 177.78 | 30,804.48 | 24,932.23 | 8868.33 | − 244.67 | 37.47 |
| Gandhighat | 0.38 | 73.42 | 45,353.36 | 47,114.63 | 15,111.32 | 73.39 | 34.18 |
| Hathidah | − 1.72 | − 194.29 | 52,683.02 | 47,281.23 | 11,202.40 | − 225.05 | 21.64 |
| Azamabad | − 0.33 | − 37.39 | 55,362.36 | 49,762.1 | 14,177.79 | − 233.23 | 52.45 |
| Farakka | − 3.55 | − 465.0 | 57,852.45 | 46,904.25 | 13,125.06 | − 457.23 | 73.37 |