Operative modes of the Toktogul water reservoir. Comparison of planned and actual values for vegetation period 1993
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 |
264.0 |
264.0 |
264.0 |
571.0 |
571.0 |
571.0 |
897.0 |
897.0 |
897.0 |
784.0 |
784.0 |
784.0 |
543.0 |
543.0 |
543.0 |
300.0 |
300.0 |
300.0 |
Mm3 |
8870.5 |
| actual | m3/sec |
215.0 |
309.8 |
544.6 |
572.7 |
417.7 |
797.6 |
1033.9 |
1339.0 |
1419.0 |
1406.4 |
847.3 |
737.0 |
576.3 |
443.3 |
401.5 |
387.3 |
331.5 |
294.0 |
Mm3 |
10599.2 |
|
| variance | % |
18.6 |
-17.3 |
-106.3 |
-0.3 |
26.8 |
-39.7 |
-15.3 |
-49.3 |
-58.2 |
-79.4 |
-8.1 |
6.0 |
-6.1 |
18.4 |
26.1 |
-29.1 |
-10.5 |
2.0 |
% |
-19.5 |
|
Mm3 |
42.3 |
2.8 |
-239.7 |
-241.1 |
-108.7 |
-324.1 |
-442.4 |
-824.3 |
-1275.3 |
-1813.0 |
-1867.7 |
-1823.0 |
-1851.8 |
-1765.7 |
-1631.2 |
-1706.7 |
-1733.9 |
-1728.7 |
Mm3 |
-1728.7 |
||
Volume |
planned | Mm3 |
13834.4 |
13797.9 |
13790.8 |
14063.6 |
14294.9 |
14521.7 |
15085.7 |
15603.0 |
16083.2 |
16461.5 |
16815.7 |
17183.4 |
17281.1 |
17382.1 |
17532.3 |
17539.3 |
17546.3 |
17529.7 |
Mm3 |
|
| actual | Mm3 |
11686.0 |
11724.0 |
12180.0 |
12534.0 |
12624.0 |
13026.0 |
13925.0 |
14941.0 |
15764.0 |
16740.0 |
17156.0 |
17536.0 |
17753.0 |
17840.0 |
17927.0 |
18055.0 |
18127.0 |
18110.0 |
Mm3 |
||
| variance | % |
15.5 |
15.0 |
11.7 |
10.9 |
11.7 |
10.3 |
7.7 |
4.2 |
2.0 |
-1.7 |
-2.0 |
-2.1 |
-2.7 |
-2.6 |
-2.3 |
-2.9 |
-3.3 |
-3.3 |
% |
||
Release |
planned | m3/sec |
333.0 |
305.0 |
271.0 |
254.0 |
302.0 |
331.0 |
243.0 |
297.0 |
340.0 |
342.0 |
370.0 |
393.0 |
424.0 |
420.0 |
379.0 |
285.0 |
285.0 |
312.3 |
Mm3 |
5181.1 |
| actual | m3/sec |
388.6 |
267.1 |
228.7 |
190.9 |
268.2 |
289.0 |
157.4 |
272.0 |
307.3 |
322.3 |
305.2 |
333.9 |
367.5 |
360.9 |
317.6 |
243.7 |
256.9 |
312.3 |
Mm3 |
4565.0 |
|
| variance | % |
-16.7 |
12.4 |
15.6 |
24.8 |
11.2 |
12.7 |
35.2 |
8.4 |
9.6 |
5.8 |
17.5 |
15.0 |
13.3 |
14.1 |
16.2 |
14.5 |
9.9 |
0.0 |
% |
11.9 |
|
Mm3 |
-48.0 |
-15.3 |
21.3 |
75.8 |
105.0 |
144.9 |
218.8 |
240.4 |
268.7 |
285.7 |
341.7 |
397.9 |
446.7 |
497.7 |
556.1 |
591.7 |
616.0 |
616.0 |
Mm3 |
616.0 |
||
Diagram of inflow and release in the Toktogul water reservoir |
Diagram of volumes deviations in the Toktogul water reservoir |
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| Note: variance is calculated using the followingformula: 100 * (planned [predicted] - actual) / planned [predicted] | |