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 |
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| Note: variance is calculated using the followingformula: 100 * (planned [predicted] - actual) / planned [predicted] | |