Operative modes of the Charvak water reservoir. Comparison of planned and actual values for non-vegetation period 1993-1994

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
96.0
96.0
96.0
79.0
79.0
79.0
68.0
68.0
68.0
64.0
64.0
64.0
60.0
60.0
60.0
86.0
86.0
86.0
Mm3
1190.9
actual
m3/sec
105.0
97.1
83.2
102.7
135.5
96.4
85.8
76.1
74.6
70.8
68.1
67.9
63.5
59.8
58.3
64.1
81.4
128.1
Mm3
1332.3
variance
%
-9.4
-1.1
13.4
-30.0
-71.5
-22.0
-26.2
-11.9
-9.7
-10.6
-6.4
-6.1
-5.8
0.3
2.8
25.5
5.3
-48.9
%
-11.9
Mm3
-7.8
-8.7
3.5
-17.0
-65.8
-80.9
-96.2
-103.2
-109.5
-115.4
-118.9
-122.7
-125.6
-125.5
-124.3
-105.4
-101.4
-141.4
Mm3
-141.4
Volume planned
Mm3
1564.0
1564.0
1564.0
1561.0
1561.0
1561.0
1552.0
1540.0
1529.0
1507.0
1495.0
1486.0
1473.0
1467.0
1452.0
1433.0
1422.0
1415.0
Mm3
actual
Mm3
1533.0
1540.0
1521.0
1579.0
1687.0
1701.0
1648.0
1574.0
1575.0
1568.0
1479.0
1379.0
1289.0
1169.0
1055.0
920.0
828.0
715.0
Mm3
variance
%
2.0
1.5
2.7
-1.2
-8.1
-9.0
-6.2
-2.2
-3.0
-4.0
1.1
7.2
12.5
20.3
27.3
35.8
41.8
49.5
%
Release planned
m3/sec
92.0
92.0
92.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0
74.0
74.0
74.0
100.0
100.0
100.0
Mm3
1329.2
actual
m3/sec
136.4
105.2
133.0
66.8
53.8
93.4
171.3
167.6
106.7
97.0
163.2
185.1
181.6
196.4
231.0
215.2
229.5
282.9
Mm3
2454.4
variance
%
-48.3
-14.3
-44.6
16.5
32.8
-16.8
-114.1
-109.5
-33.4
-21.3
-104.0
-131.4
-145.4
-165.4
-212.2
-115.2
-129.5
-182.9
%
-84.7
Mm3
-38.4
-49.8
-88.7
-77.3
-54.7
-66.3
-145.2
-220.8
-246.2
-260.9
-332.8
-432.7
-525.7
-631.4
-739.9
-839.5
-951.4
-1125.2
Mm3
-1125.2
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]