Table 1 Comparison of hydraulic alterations in Group 1 IHAs (monthly streamflow) at the two stations for the pre-impact, RI impact and CI impact.
Indicators | The Alar station | The Xinquman station | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pre-impact | RI impact | CI impact | Pre-impact | RI impact | CI impact | |||||||||
M | M | P (%) | D (%) | M | P (%) | D (%) | M | M | P (%) | D (%) | M | P (%) | D (%) | |
January | 70.1 | 77.2 | 10 | 54 | 25.5 | −64 | 87 | 62.3 | 53.4 | −14 | 0 | 11.5 | −82 | 100 |
February | 65.0 | 69.3 | 7 | 38 | 30.8 | −53 | 74 | 72.3 | 58.9 | −18 | 0 | 15.9 | −78 | 100 |
March | 60.2 | 29.6 | −51 | 69 | 32.2 | −47 | 100 | 58.1 | 41.3 | −29 | 57 | 16.9 | −71 | 100 |
April | 12.3 | 13.7 | 11 | 7 | 22.4 | 82 | 87 | 16.9 | 10.9 | −36 | 57 | 12.0 | −29 | 51 |
May | 11.4 | 9.7 | −15 | 99 | 31.7 | 178 | 74 | 5.6 | 6.4 | 14 | 29 | 17.6 | 214 | 88 |
June | 112.5 | 9.8 | −91 | 100 | 80.1 | −29 | 22 | 42.4 | 4.7 | −89 | 14 | 57.1 | 35 | 9 |
July | 350.0 | 394.0 | 13 | 100 | 311.5 | −11 | 9 | 300.0 | 223.0 | −26 | 86 | 208.4 | −31 | 39 |
August | 657.0 | 589.0 | −10 | 69 | 565.5 | −14 | 74 | 530.0 | 544.0 | 3 | 43 | 509.0 | −4 | 39 |
September | 176.9 | 116.0 | −34 | 39 | 199.0 | 12 | 61 | 166.5 | 129.5 | −22 | 29 | 211.5 | 27 | 51 |
October | 68.9 | 85.6 | 24 | 24 | 68.6 | 0 | 43 | 53.0 | 62.6 | 18 | 29 | 57.3 | 8 | 27 |
November | 63.2 | 35.6 | −44 | 69 | 22.7 | −64 | 100 | 45.9 | 31.4 | −32 | 100 | 16.6 | −64 | 100 |
December | 94.6 | 91.0 | −4 | 22 | 28.1 | −70 | 100 | 59.3 | 61.2 | 3 | 14 | 12.1 | −80 | 100 |
