Operative modes of the Chardara water reservoir. Comparison of planned and actual values for non-vegetation period 1995-1996

Parametres
October
November
December
January
February
March
for non-vegetation
I
II
III
I
II
III
I
II
III
I
II
III
I
II
III
I
II
III
Inflow forecast
m3/sec
422.3
490.8
526.6
529.7
762.7
786.5
737.9
848.2
762.6
870.6
881.4
928.2
1011.5
1043.3
961.6
695.6
502.9
502.9
Mm3
11530.2
actual
m3/sec
188.3
193.4
278.2
348.3
303.3
365.4
486.1
746.3
827.4
756.1
582.1
558.4
678.1
727.7
947.3
1231.5
976.2
920.7
Mm3
9662.8
variance
%
55.4
60.6
47.2
34.3
60.2
53.5
34.1
12.0
-8.5
13.2
34.0
39.8
33.0
30.2
1.5
-77.0
-94.1
-83.1
%
16.2
Mm3
202.2
459.2
695.3
852.1
1249.0
1612.8
1830.4
1918.4
1856.8
1955.8
2214.4
2565.9
2853.9
3126.6
3136.5
2673.4
2264.5
1867.4
Mm3
1867.4
Volume planned
Mm3
1098.6
1146.9
1209.2
1212.4
1447.2
1680.0
1859.7
2126.8
2322.2
2597.1
2866.6
3177.1
3527.4
3924.2
4171.1
4125.4
4119.7
4113.5
Mm3
actual
Mm3
826.0
954.0
1143.0
1370.0
1448.0
1525.0
1688.0
2128.0
2509.0
3002.0
3327.0
3622.0
4091.0
4496.0
4965.0
5197.0
5268.0
5260.0
Mm3
variance
%
24.8
16.8
5.5
-13.0
-0.1
9.2
9.2
-0.1
-8.0
-15.6
-16.1
-14.0
-16.0
-14.6
-19.0
-26.0
-27.9
-27.9
%
Release planned
m3/sec
378.0
418.0
444.0
511.0
476.0
502.0
520.0
529.0
547.0
547.0
564.0
596.0
600.0
578.0
524.0
489.0
462.0
449.0
Mm3
7977.1
actual
m3/sec
100.0
100.0
112.1
120.0
252.0
351.0
351.0
368.0
370.0
370.0
280.0
250.0
215.0
200.0
231.1
330.0
544.3
900.0
Mm3
4805.1
variance
%
73.5
76.1
74.8
76.5
47.1
30.1
32.5
30.4
32.4
32.4
50.4
58.1
64.2
65.4
55.9
32.5
-17.8
-100.4
%
39.8
Mm3
240.2
514.9
830.4
1168.2
1361.8
1492.2
1638.2
1777.3
1945.6
2098.5
2343.9
2672.7
3005.3
3331.9
3534.4
3671.8
3600.6
3172.0
Mm3
3172.0
Diagram of inflow and release in the Chardara water reservoir
Diagram of volumes deviations in the Chardara water reservoir
Note: variance is calculated using the followingformula: 100 * (planned [predicted] - actual) / planned [predicted]