Operative modes of the Chardara 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
661.0
653.0
765.0
993.0
1418.0
1468.0
1471.0
1218.0
901.0
560.0
434.0
368.0
302.0
297.0
307.0
387.0
387.0
382.0
Mm3
11393.0
actual
m3/sec
818.9
553.3
738.0
911.8
1376.5
1330.3
1559.4
1161.3
825.3
511.3
369.7
296.1
241.8
243.2
238.2
337.7
336.1
332.9
Mm3
10686.0
variance
%
-23.9
15.3
3.5
8.2
2.9
9.4
-6.0
4.7
8.4
8.7
14.8
19.5
20.0
18.1
22.4
12.7
13.2
12.9
%
6.2
Mm3
-136.4
-50.3
-26.9
43.2
79.1
210.0
133.6
182.6
248.0
290.1
345.7
414.0
466.1
512.6
577.9
620.6
664.6
707.0
Mm3
707.0
Volume
planned
Mm3
4995.6
4978.3
4963.6
4982.6
5038.8
5183.8
5402.8
5461.5
5249.0
4719.4
4109.4
3429.9
2811.3
2297.2
1927.5
1727.9
1565.1
1403.5
Mm3
actual
Mm3
5247.0
5332.0
5390.0
5390.0
5411.0
5397.0
5347.0
5189.0
4944.0
4539.0
3961.0
3256.0
2682.0
2189.0
1762.0
1629.0
1544.0
1455.0
Mm3
variance
%
-5.0
-7.1
-8.6
-8.2
-7.4
-4.1
1.0
5.0
5.8
3.8
3.6
5.1
4.6
4.7
8.6
5.7
1.3
-3.7
%
Release
planned
m3/sec
821.0
614.0
740.0
906.0
1288.0
1260.0
1147.0
1053.0
991.0
963.0
930.0
897.0
892.0
793.0
651.0
590.0
552.0
547.0
Mm3
13751.3
actual
m3/sec
1143.5
435.1
740.0
850.0
1361.0
1330.0
1090.0
1098.0
1100.0
1025.0
950.0
950.0
1025.0
753.3
590.6
500.0
500.0
500.0
Mm3
14021.5
variance
%
-39.3
29.1
0.0
6.2
-5.7
-5.6
5.0
-4.3
-11.0
-6.4
-2.2
-5.9
-14.9
5.0
9.3
15.3
9.4
8.6
%
-2.0
Mm3
-278.6
-124.1
-124.1
-75.7
-138.8
-205.3
-156.0
-194.9
-289.1
-342.7
-359.9
-410.3
-525.2
-490.9
-433.6
-355.8
-310.9
-270.3
Mm3
-270.3
Diagram of inflow and release in the Chardara water reservoir
Diagram of volumes deviations in the Chardara water reservoir
Note: variance is calculated using the followingformula: 100 * (planned [predicted] - actual) / planned [predicted]