Operative modes of the Charvak water reservoir. Comparison of planned and actual values for non-vegetation period 1995-1996

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
86.0
86.0
86.0
75.0
75.0
75.0
63.0
63.0
63.0
56.0
56.0
56.0
54.0
54.0
54.0
71.0
71.0
71.0
Mm3
1064.3
actual
m3/sec
101.2
98.7
88.7
86.7
83.5
76.4
73.1
66.4
66.5
65.7
57.0
58.4
60.2
60.4
57.3
59.6
63.8
64.2
Mm3
1126.7
variance
%
-17.7
-14.7
-3.1
-15.6
-11.3
-1.9
-16.1
-5.4
-5.5
-17.3
-1.8
-4.2
-11.5
-11.9
-6.2
16.1
10.1
9.6
%
-5.9
Mm3
-13.1
-24.1
-26.6
-36.7
-44.1
-45.3
-54.0
-57.0
-60.3
-68.7
-69.5
-71.8
-77.1
-82.7
-85.0
-75.1
-68.9
-62.4
Mm3
-62.4
Volume planned
Mm3
1375.1
1373.4
1373.5
1366.0
1359.0
1354.6
1344.2
1334.3
1324.2
1309.4
1294.7
1277.8
1261.7
1245.8
1233.4
1226.0
1217.3
1206.4
Mm3
actual
Mm3
1260.0
1284.0
1286.0
1256.0
1242.0
1216.0
1203.0
1188.0
1174.0
1158.0
1136.0
1130.0
1135.0
1133.0
1127.0
1124.0
1133.0
1140.0
Mm3
variance
%
8.4
6.5
6.4
8.1
8.6
10.2
10.5
11.0
11.3
11.6
12.3
11.6
10.0
9.1
8.6
8.3
6.9
5.5
%
Release planned
m3/sec
84.6
86.7
84.6
82.7
82.0
79.1
74.8
74.2
73.5
72.5
72.4
73.2
72.2
72.0
71.6
79.4
81.0
82.4
Mm3
1223.4
actual
m3/sec
85.6
83.2
84.7
110.8
98.0
99.6
85.0
75.8
78.5
76.0
78.8
64.5
58.2
61.2
64.9
68.5
56.6
60.4
Mm3
1215.0
variance
%
-1.2
4.0
-0.2
-34.0
-19.5
-25.9
-13.6
-2.2
-6.9
-4.8
-8.8
11.8
19.4
15.0
9.4
13.7
30.1
26.7
%
0.7
Mm3
-0.9
2.2
2.0
-22.2
-36.1
-53.8
-62.6
-64.0
-68.8
-71.8
-77.3
-69.1
-57.0
-47.7
-43.0
-33.6
-12.5
8.4
Mm3
8.4
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]