Operative modes of the Chardara 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 |
1288.0 |
1222.0 |
1246.0 |
1303.0 |
1111.0 |
1057.0 |
942.0 |
842.0 |
714.0 |
661.0 |
560.0 |
405.0 |
368.0 |
297.0 |
289.0 |
314.0 |
322.0 |
384.0 |
Mm3 |
11664.1 |
| actual | m3/sec |
1354.9 |
1123.9 |
1207.7 |
1268.7 |
1029.4 |
1009.1 |
866.9 |
782.0 |
657.3 |
561.3 |
469.9 |
285.8 |
220.6 |
236.4 |
240.2 |
249.6 |
264.5 |
497.7 |
Mm3 |
10782.2 |
|
| variance | % |
-5.2 |
8.0 |
3.1 |
2.6 |
7.3 |
4.5 |
8.0 |
7.1 |
7.9 |
15.1 |
16.1 |
29.4 |
40.1 |
20.4 |
16.9 |
20.5 |
17.9 |
-29.6 |
% |
7.6 |
|
Mm3 |
-57.8 |
27.0 |
60.0 |
89.7 |
160.2 |
205.7 |
270.6 |
322.4 |
371.5 |
457.6 |
535.5 |
648.7 |
776.1 |
828.4 |
874.8 |
930.4 |
980.1 |
881.9 |
Mm3 |
881.9 |
||
Volume |
planned | Mm3 |
5437.4 |
5639.5 |
5709.5 |
5707.8 |
5569.6 |
5575.8 |
5504.5 |
5292.0 |
4867.7 |
4332.9 |
3729.0 |
3010.6 |
2506.0 |
2006.6 |
1630.2 |
1435.0 |
1307.5 |
1247.4 |
Mm3 |
|
| actual | Mm3 |
5052.0 |
5232.0 |
5290.0 |
5218.0 |
5168.0 |
5139.0 |
5038.0 |
4792.0 |
4445.0 |
3932.0 |
3393.0 |
2587.0 |
2082.0 |
1617.0 |
1213.0 |
1055.0 |
954.0 |
1068.0 |
Mm3 |
||
| variance | % |
7.1 |
7.2 |
7.3 |
8.6 |
7.2 |
7.8 |
8.5 |
9.4 |
8.7 |
9.3 |
9.0 |
14.1 |
16.9 |
19.4 |
25.6 |
26.5 |
27.0 |
14.4 |
% |
||
Release |
planned | m3/sec |
917.0 |
929.0 |
1123.0 |
1240.0 |
1206.0 |
995.0 |
954.0 |
991.0 |
1049.0 |
1070.0 |
1049.0 |
975.0 |
826.0 |
776.0 |
640.0 |
512.0 |
446.0 |
450.0 |
Mm3 |
14177.4 |
| actual | m3/sec |
853.3 |
866.6 |
1076.5 |
1195.0 |
1152.6 |
923.7 |
894.0 |
940.0 |
1001.0 |
1000.0 |
1000.0 |
909.1 |
740.0 |
712.5 |
590.9 |
400.0 |
380.0 |
431.6 |
Mm3 |
13227.1 |
|
| variance | % |
6.9 |
6.7 |
4.1 |
3.6 |
4.4 |
7.2 |
6.3 |
5.1 |
4.6 |
6.5 |
4.7 |
6.8 |
10.4 |
8.2 |
7.7 |
21.9 |
14.8 |
4.1 |
% |
6.7 |
|
Mm3 |
55.0 |
109.0 |
149.1 |
188.0 |
234.1 |
301.9 |
353.7 |
397.8 |
439.3 |
499.7 |
542.1 |
604.7 |
679.0 |
733.9 |
780.5 |
877.3 |
934.3 |
950.2 |
Mm3 |
950.2 |
||
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] | |