Operative modes of the Charvak water reservoir. Comparison of planned and actual values for non-vegetation period 1994-1995
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 |
84.0 |
84.0 |
84.0 |
70.0 |
70.0 |
70.0 |
64.0 |
64.0 |
64.0 |
61.0 |
61.0 |
61.0 |
80.0 |
80.0 |
80.0 |
Mm3 |
1195.6 |
| actual | m3/sec |
115.9 |
110.0 |
102.7 |
108.4 |
121.5 |
140.2 |
130.3 |
109.6 |
102.4 |
93.5 |
82.9 |
78.8 |
78.5 |
79.2 |
77.6 |
76.5 |
83.1 |
112.7 |
Mm3 |
1579.4 |
|
| variance | % |
-20.7 |
-14.6 |
-7.0 |
-29.0 |
-44.6 |
-66.9 |
-86.1 |
-56.6 |
-46.2 |
-46.0 |
-29.5 |
-23.2 |
-28.7 |
-29.8 |
-27.1 |
4.3 |
-3.9 |
-40.9 |
% |
-32.1 |
|
Mm3 |
-17.2 |
-29.3 |
-35.7 |
-56.8 |
-89.2 |
-137.7 |
-189.8 |
-224.0 |
-254.8 |
-280.2 |
-296.6 |
-310.7 |
-325.8 |
-341.5 |
-352.9 |
-350.0 |
-352.7 |
-383.8 |
Mm3 |
-383.8 |
||
| Volume | planned | Mm3 |
1602.0 |
1602.0 |
1602.0 |
1623.0 |
1623.0 |
1623.0 |
1604.0 |
1604.0 |
1604.0 |
1582.0 |
1577.0 |
1567.0 |
1551.0 |
1535.0 |
1528.0 |
1541.0 |
1547.0 |
1547.0 |
Mm3 |
|
| actual | Mm3 |
1642.0 |
1612.0 |
1587.0 |
1634.0 |
1608.0 |
1653.0 |
1639.0 |
1594.0 |
1522.0 |
1435.0 |
1367.0 |
1341.0 |
1345.0 |
1323.0 |
1307.0 |
1214.0 |
1100.0 |
1073.0 |
Mm3 |
||
| variance | % |
-2.5 |
-0.6 |
0.9 |
-0.7 |
0.9 |
-1.8 |
-2.2 |
0.6 |
5.1 |
9.3 |
13.3 |
14.4 |
13.3 |
13.8 |
14.5 |
21.2 |
28.9 |
30.6 |
% |
||
| Release | planned | m3/sec |
244.0 |
244.0 |
244.0 |
197.0 |
197.0 |
197.0 |
206.0 |
206.0 |
206.0 |
209.0 |
209.0 |
209.0 |
186.0 |
186.0 |
186.0 |
196.0 |
196.0 |
196.0 |
Mm3 |
3250.6 |
| actual | m3/sec |
137.0 |
140.4 |
132.1 |
107.6 |
130.0 |
149.6 |
157.4 |
171.5 |
179.3 |
192.2 |
170.6 |
117.1 |
77.2 |
107.8 |
86.8 |
170.4 |
213.4 |
156.2 |
Mm3 |
2278.9 |
|
| variance | % |
43.9 |
42.5 |
45.9 |
45.4 |
34.0 |
24.1 |
23.6 |
16.7 |
13.0 |
8.0 |
18.4 |
44.0 |
58.5 |
42.0 |
53.4 |
13.1 |
-8.9 |
20.3 |
% |
29.9 |
|
Mm3 |
92.4 |
182.0 |
288.3 |
365.5 |
423.4 |
464.4 |
506.4 |
536.2 |
561.6 |
576.1 |
609.3 |
696.6 |
790.6 |
858.2 |
926.8 |
948.9 |
933.9 |
971.7 |
Mm3 |
971.7 |
||
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] | |