Operative modes of the Nurek water reservoir. Comparison of planned and actual values for vegetation period 1995

Parametres
April
May
June
July
August
September
For vegetation
I
II
III
I
II
III
I
II
III
I
II
III
I
II
III
I
II
III
Inflow forecast
m3/sec
400.0
400.0
400.0
700.0
700.0
700.0
1000.0
1000.0
1000.0
1300.0
1300.0
1300.0
1000.0
1000.0
1000.0
700.0
700.0
700.0
Mm3
13478.4
actual
m3/sec
330.9
280.6
292.5
506.1
689.5
664.2
733.2
1166.9
945.0
1240.0
1539.5
1353.6
1203.0
1145.2
1320.1
672.2
443.2
443.2
Mm3
13221.6
variance
%
17.3
29.9
26.9
27.7
1.5
5.1
26.7
-16.7
5.5
4.6
-18.4
-4.1
-20.3
-14.5
-32.0
4.0
36.7
36.7
%
1.9
Mm3
59.7
162.9
255.7
423.3
432.3
466.4
696.9
552.7
600.2
652.0
445.1
394.1
218.7
93.3
-210.9
-186.9
35.0
256.8
Mm3
256.8
Volume planned
Mm3
5810.0
6080.0
6353.0
6580.0
6750.0
7004.0
7410.0
7960.0
8565.0
9070.0
9460.0
9881.0
10230.0
10340.0
10494.0
10500.0
10500.0
10500.0
Mm3
actual
Mm3
5778.0
5804.0
5924.0
6202.0
6427.0
6289.0
6253.0
6568.0
6925.0
7687.0
8511.0
9355.0
10056.0
10471.0
10512.0
10491.0
10458.0
10493.0
Mm3
variance
%
0.6
4.5
6.8
5.7
4.8
10.2
15.6
17.5
19.1
15.2
10.0
5.3
1.7
-1.3
-0.2
0.1
0.4
0.1
%
Release planned
m3/sec
350.0
350.0
350.0
550.0
550.0
550.0
700.0
700.0
700.0
1000.0
1000.0
1000.0
900.0
900.0
900.0
800.0
800.0
800.0
Mm3
11357.3
actual
m3/sec
310.2
363.1
408.3
452.2
606.9
689.2
685.7
759.6
694.8
697.6
688.6
651.0
630.8
1082.2
1248.9
770.6
613.0
533.9
Mm3
10493.7
variance
%
11.4
-3.7
-16.7
17.8
-10.3
-25.3
2.0
-8.5
0.7
30.2
31.1
34.9
29.9
-20.2
-38.8
3.7
23.4
33.3
%
7.6
Mm3
34.4
23.1
-27.3
57.2
8.0
-124.2
-111.9
-163.4
-158.9
102.4
371.4
703.1
935.7
778.3
446.7
472.1
633.7
863.6
Mm3
863.6
Diagram of inflow and release in the Nurek water reservoir
Diagram of volumes deviations in the Nurek water reservoir
Note: variance is calculated using the followingformula: 100 * (planned [predicted] - actual) / planned [predicted]