Operative modes of the Charvak water reservoir. Comparison of planned and actual values for vegetation period 1996
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 |
169.0 |
169.0 |
169.0 |
330.0 |
330.0 |
330.0 |
439.0 |
439.0 |
439.0 |
331.0 |
331.0 |
331.0 |
185.0 |
185.0 |
185.0 |
106.0 |
106.0 |
106.0 |
Mm3 |
4116.6 |
| actual | m3/sec |
67.8 |
212.1 |
298.6 |
269.7 |
335.8 |
422.4 |
535.9 |
591.8 |
583.7 |
526.6 |
409.0 |
401.7 |
332.8 |
234.7 |
173.7 |
145.5 |
133.9 |
121.9 |
Mm3 |
5095.4 |
|
| variance | % |
59.9 |
-25.5 |
-76.7 |
18.3 |
-1.8 |
-28.0 |
-22.1 |
-34.8 |
-33.0 |
-59.1 |
-23.6 |
-21.4 |
-79.9 |
-26.9 |
6.1 |
-37.3 |
-26.3 |
-15.0 |
% |
-23.8 |
|
Mm3 |
87.4 |
50.2 |
-61.8 |
-9.7 |
-14.7 |
-102.5 |
-186.2 |
-318.2 |
-443.3 |
-612.3 |
-679.7 |
-746.9 |
-874.6 |
-917.5 |
-906.8 |
-940.9 |
-965.0 |
-978.8 |
Mm3 |
-978.8 |
||
Volume |
planned | Mm3 |
1276.2 |
1305.4 |
1314.7 |
1429.1 |
1501.1 |
1548.1 |
1641.2 |
1686.9 |
1708.3 |
1646.4 |
1620.8 |
1626.9 |
1558.0 |
1600.3 |
1560.1 |
1520.1 |
1527.0 |
1495.6 |
Mm3 |
|
| actual | Mm3 |
1136.0 |
1350.0 |
1632.0 |
1747.0 |
1838.0 |
1889.0 |
1944.0 |
1948.0 |
1982.0 |
2007.0 |
1995.0 |
2002.0 |
1949.0 |
1849.0 |
1754.0 |
1699.0 |
1640.0 |
1615.0 |
Mm3 |
||
| variance | % |
11.0 |
-3.4 |
-24.1 |
-22.2 |
-22.4 |
-22.0 |
-18.4 |
-15.5 |
-16.0 |
-21.9 |
-23.1 |
-23.1 |
-25.1 |
-15.5 |
-12.4 |
-11.8 |
-7.4 |
-8.0 |
% |
||
Release |
planned | m3/sec |
120.0 |
135.0 |
158.0 |
197.0 |
246.0 |
280.0 |
330.0 |
385.0 |
413.0 |
401.0 |
359.0 |
323.0 |
263.0 |
214.0 |
181.0 |
151.0 |
143.0 |
133.0 |
Mm3 |
3897.0 |
| actual | m3/sec |
71.8 |
56.8 |
56.6 |
156.2 |
299.6 |
438.0 |
546.1 |
640.3 |
546.0 |
493.9 |
393.6 |
390.8 |
392.6 |
354.6 |
279.5 |
210.3 |
200.4 |
156.6 |
Mm3 |
5006.5 |
|
| variance | % |
40.2 |
57.9 |
64.2 |
20.7 |
-21.8 |
-56.4 |
-65.5 |
-66.3 |
-32.2 |
-23.2 |
-9.6 |
-21.0 |
-49.3 |
-65.7 |
-54.4 |
-39.3 |
-40.1 |
-17.7 |
% |
-28.5 |
|
Mm3 |
41.6 |
109.2 |
196.8 |
232.1 |
185.8 |
35.6 |
-151.1 |
-371.7 |
-486.6 |
-566.9 |
-596.8 |
-661.2 |
-773.2 |
-894.7 |
-988.3 |
-1039.6 |
-1089.2 |
-1109.5 |
Mm3 |
-1109.5 |
||
Diagram of inflow and release in the Charvak water reservoir |
Diagram of volumes deviations in the Charvak water reservoir |
![]() |
![]() |
| Note: variance is calculated using the followingformula: 100 * (planned [predicted] - actual) / planned [predicted] | |