Operative modes of the Charvak 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
234.0
234.0
234.0
457.0
457.0
457.0
608.0
608.0
608.0
458.0
458.0
458.0
256.0
256.0
256.0
147.0
147.0
147.0
Mm3
5699.9
actual
m3/sec
94.0
171.3
405.8
503.5
407.8
626.2
637.8
755.2
788.3
767.0
527.1
408.2
318.3
240.8
203.5
186.4
156.1
119.8
Mm3
6428.8
variance
%
59.8
26.8
-73.4
-10.2
10.8
-37.0
-4.9
-24.2
-29.7
-67.5
-15.1
10.9
-24.3
5.9
20.5
-26.8
-6.2
18.5
%
-12.8
Mm3
121.0
175.2
26.7
-13.4
29.1
-131.7
-157.5
-284.7
-440.4
-707.4
-767.1
-719.8
-773.6
-760.5
-710.5
-744.6
-752.4
-728.9
Mm3
-728.9
Volume
planned
Mm3
1180.9
1192.8
1178.8
1292.3
1352.3
1375.5
1494.5
1583.3
1676.5
1667.3
1684.9
1762.3
1711.5
1713.4
1763.0
1758.4
1772.9
1780.6
Mm3
actual
Mm3
1184.0
1187.0
1289.0
1409.0
1416.0
1614.0
1701.0
1808.0
1864.0
1976.0
1997.0
1964.0
1885.0
1800.0
1707.0
1635.0
1582.0
1548.0
Mm3
variance
%
-0.3
0.5
-9.4
-9.0
-4.7
-17.3
-13.8
-14.2
-11.2
-18.5
-18.5
-11.4
-10.1
-5.1
3.2
7.0
10.8
13.1
%
Release
planned
m3/sec
168.0
220.0
250.0
325.0
387.0
432.0
469.0
504.0
499.0
467.0
436.0
375.0
313.0
252.0
200.0
151.0
129.0
120.0
Mm3
5009.2
actual
m3/sec
202.8
200.4
390.0
363.0
496.8
534.3
684.0
769.8
855.8
664.8
536.8
465.1
411.6
361.0
319.3
276.2
229.4
177.2
Mm3
6972.6
variance
%
-20.7
8.9
-56.0
-11.7
-28.4
-23.7
-45.8
-52.7
-71.5
-42.4
-23.1
-24.0
-31.5
-43.3
-59.6
-82.9
-77.8
-47.7
%
-39.2
Mm3
-30.1
-13.1
-134.1
-166.9
-261.8
-359.0
-544.8
-774.4
-1082.7
-1253.6
-1340.7
-1426.3
-1511.5
-1605.7
-1719.0
-1827.2
-1913.9
-1963.4
Mm3
-1963.4
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]