Table 3 Result of trend tests at various sites for annual minimum discharge

From: Trend analysis of hydrological parameters of Ganga River

Gauging sites Annual minimum 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 4.28 1.33 46.34 81.52 36.86 1.53 0.19
Kachlabridge 3.80 0.21 10.26 15.68 6.69 0.26 0.05
Fatehgarh 2.85 0.22 11.63 20.32 9.30 0.41 0.03
Ankinghat 0.79 0.15 46.24 56.35 23.30 0.48 0.09
Kanpur 1.45 0.22 50.86 52.19 20.66 0.06 0.07
Bhitaura 2.18 0.66 53.01 71.38 24.17 0.87 0.13
Shahzadpur 1.57 0.33 50.26 56.65 28.16 0.27 0.07
Allahabad − 2.02 1.16 192.92 168.34 66.81 − 1.17 0.40
Mirzapur 0.00 0.02 179.08 205.16 71.54 1.37 0.68
Varanasi 2.38 1.11 173.23 196.55 62.06 0.97 0.32
Buxar 0.79 0.89 323.44 332.35 125.26 0.37 0.43
Gandhighat 1.57 1.95 1164.41 1405.74 484.82 10.05 0.95
Hathidah 0.33 1.52 1537.81 1688.52 501.07 6.28 1.32
Azamabad 0.22 0.93 1688.66 1641.07 560.35 − 1.98 1.42
Farakka − 2.45 1.17 223.44 182.35 105.26 0.27 0.39
  1. Italicized values represent significant trend at 5% significance level