Operative modes of the Charvak water reservoir. Comparison of planned and actual values for non-vegetation period 1992-1993

Parametres
October
November
December
January
February
March
for non-vegetation
I
II
III
I
II
III
I
II
III
I
II
III
I
II
III
I
II
III
Inflow forecast
m3/sec
95.0
95.0
95.0
84.0
84.0
84.0
70.0
70.0
70.0
62.0
62.0
62.0
60.0
60.0
60.0
79.0
79.0
79.0
Mm3
1182.5
actual
m3/sec
98.5
93.1
86.5
78.8
75.5
69.7
67.6
67.8
64.1
53.6
52.7
48.1
68.0
66.9
59.6
63.6
74.6
72.7
Mm3
1103.1
variance
%
-3.7
2.0
8.9
6.2
10.1
17.0
3.4
3.1
8.4
13.6
15.0
22.4
-13.4
-11.6
0.6
19.5
5.6
7.9
%
6.7
Mm3
-3.0
-1.4
6.7
11.2
18.5
30.9
32.9
34.8
40.5
47.7
55.8
69.0
62.1
56.1
56.3
69.6
73.4
79.4
Mm3
79.4
Volume planned
Mm3
1432.9
1439.0
1447.6
1446.1
1444.6
1443.7
1437.9
1433.8
1430.3
1420.7
1411.2
1397.3
1381.6
1365.0
1351.6
1348.9
1343.9
1338.4
Mm3
actual
Mm3
1467.0
1480.0
1494.0
1499.0
1513.0
1521.0
1528.0
1510.0
1494.0
1479.0
1456.0
1441.0
1472.0
1463.0
1444.0
1434.0
1369.0
1260.0
Mm3
variance
%
-2.4
-2.9
-3.2
-3.7
-4.7
-5.4
-6.3
-5.3
-4.5
-4.1
-3.2
-3.1
-6.5
-7.2
-6.8
-6.3
-1.9
5.9
%
Release planned
m3/sec
84.6
86.7
84.6
84.7
84.7
84.0
76.5
74.5
73.5
72.5
72.4
76.0
77.8
78.8
79.1
82.0
84.7
84.7
Mm3
1259.6
actual
m3/sec
95.0
90.0
80.0
76.2
71.6
67.5
65.6
67.9
67.5
82.0
95.2
76.5
59.8
83.4
95.5
104.0
158.4
198.7
Mm3
1432.6
variance
%
-12.3
-3.8
5.4
10.0
15.5
19.6
14.2
8.9
8.1
-13.1
-31.5
-0.7
23.1
-5.8
-20.7
-26.8
-87.0
-134.6
%
-13.7
Mm3
-9.0
-11.8
-7.5
-0.1
11.2
25.5
34.9
40.6
46.2
38.0
18.3
17.8
33.4
29.4
18.0
-1.0
-64.6
-173.0
Mm3
-173.0
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]