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 |
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| Note: variance is calculated using the followingformula: 100 * (planned [predicted] - actual) / planned [predicted] | |