Operative modes of the Nurek water reservoir. Comparison of planned and actual values for vegetation period 1994
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 |
1329.0 |
1329.0 |
1329.0 |
865.0 |
865.0 |
865.0 |
433.0 |
433.0 |
433.0 |
Mm3 |
12502.4 |
| actual | m3/sec | 313.1 |
296.6 |
568.3 |
812.5 |
991.5 |
1036.6 |
1100.0 |
1055.0 |
2152.0 |
2441.0 |
1827.0 |
1920.0 |
2086.0 |
1446.0 |
1072.7 |
577.0 |
612.5 |
612.5 |
Mm3 |
18423.3 |
|
| variance | % | 21.7 |
25.9 |
-42.1 |
-16.1 |
-41.6 |
-48.1 |
-10.0 |
-5.5 |
-115.2 |
-83.7 |
-37.5 |
-44.5 |
-141.2 |
-67.2 |
-24.0 |
-33.3 |
-41.5 |
-41.5 |
% |
-47.4 |
|
| Mm3 | 75.1 |
164.4 |
19.0 |
-78.2 |
-330.0 |
-650.0 |
-736.4 |
-783.9 |
-1779.2 |
-2740.0 |
-3170.2 |
-3731.9 |
-4786.9 |
-5288.9 |
-5486.3 |
-5610.7 |
-5765.8 |
-5920.9 |
Mm3 |
-5920.9 |
||
| 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 | 5926.0 |
5860.0 |
6074.0 |
6284.0 |
6566.0 |
7093.0 |
7638.0 |
8033.0 |
8852.0 |
9547.0 |
9989.0 |
10354.0 |
10414.0 |
10500.0 |
10497.0 |
10468.0 |
10458.0 |
10350.0 |
Mm3 |
||
| variance | % | -2.0 |
3.6 |
4.4 |
4.5 |
2.7 |
-1.3 |
-3.1 |
-0.9 |
-3.4 |
-5.3 |
-5.6 |
-4.8 |
-1.8 |
-1.5 |
0.0 |
0.3 |
0.4 |
1.4 |
% |
||
| Release | planned | m3/sec | 300.0 |
300.0 |
300.0 |
535.0 |
535.0 |
535.0 |
733.0 |
733.0 |
733.0 |
1100.0 |
1100.0 |
1100.0 |
865.0 |
865.0 |
865.0 |
551.0 |
551.0 |
551.0 |
Mm3 |
10801.7 |
| actual | m3/sec | 639.7 |
456.5 |
451.5 |
680.7 |
827.5 |
655.1 |
850.7 |
921.5 |
1091.9 |
1650.8 |
1662.3 |
1741.5 |
1989.7 |
1404.7 |
1630.8 |
1037.1 |
619.7 |
557.4 |
Mm3 |
16650.9 |
|
| variance | % | -113.2 |
-52.2 |
-50.5 |
-27.2 |
-54.7 |
-22.4 |
-16.1 |
-25.7 |
-49.0 |
-50.1 |
-51.1 |
-58.3 |
-130.0 |
-62.4 |
-88.5 |
-88.2 |
-12.5 |
-1.2 |
% |
-54.2 |
|
| Mm3 | -293.5 |
-428.7 |
-559.6 |
-685.5 |
-938.2 |
-1052.4 |
-1154.0 |
-1316.9 |
-1627.0 |
-2102.9 |
-2588.7 |
-3198.4 |
-4170.2 |
-4636.5 |
-5364.3 |
-5784.3 |
-5843.7 |
-5849.2 |
Mm3 |
-5849.2 |
||
Diagram of inflow and release in the Nurek water reservoir |
Diagram of volumes deviations in the Nurek water reservoir |
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| Note: variance is calculated using the followingformula: 100 * (planned [predicted] - actual) / planned [predicted] | |