Operative modes of the Nurek water reservoir. Comparison of planned and actual values for vegetation period 1992

Parametres
April
May
June
July
August
September
For vegetation
I
II
III
I
II
III
I
II
III
I
II
III
I
II
III
I
II
III
Inflow forecast
m3/sec
428.0
546.0
800.0
819.0
1040.0
1180.0
1519.0
1681.0
1844.0
1991.0
2168.0
2139.0
1755.0
1475.0
1239.0
1000.0
819.0
767.0
Mm3
20447.3
actual
m3/sec
260.4
431.9
967.5
634.5
1131.0
1067.0
1593.0
1434.0
1543.0
1615.0
2008.6
2006.9
1617.0
1342.0
1166.8
906.3
642.7
642.7
Mm3
18519.3
variance
%
39.2
20.9
-20.9
22.5
-8.8
9.6
-4.9
14.7
16.3
18.9
7.4
6.2
7.9
9.0
5.8
9.4
21.5
16.2
%
9.4
Mm3
144.8
243.4
98.7
258.1
179.5
286.8
222.9
436.3
696.4
1021.2
1159.0
1284.5
1403.7
1518.7
1587.3
1668.2
1820.5
1927.9
Mm3
1927.9
Volume planned
Mm3
6109.0
6109.0
6239.5
6316.4
6578.1
6816.7
7005.9
7266.8
7662.6
8051.4
8459.2
8747.1
9027.1
9301.0
9581.3
9737.7
9890.6
10088.5
Mm3
actual
Mm3
5955.0
5961.0
6399.0
6561.0
7066.0
7778.0
8150.0
8284.0
8437.0
8877.0
9397.0
9737.0
10118.0
10469.0
10502.0
10483.0
10472.0
10394.0
Mm3
variance
%
2.5
2.4
-2.6
-3.9
-7.4
-14.1
-16.3
-14.0
-10.1
-10.3
-11.1
-11.3
-12.1
-12.6
-9.6
-7.7
-5.9
-3.0
%
Release planned
m3/sec
450.0
546.0
649.0
730.0
737.0
929.0
1300.0
1379.0
1386.0
1541.0
1696.0
1836.0
1431.0
1158.0
944.0
819.0
642.0
538.0
Mm3
16486.8
actual
m3/sec
374.0
491.9
555.4
637.3
703.9
523.5
1218.2
1435.4
1438.1
1223.5
1606.7
1774.9
1218.1
826.2
1127.1
1008.9
660.3
593.7
Mm3
15344.4
variance
%
16.9
9.9
14.4
12.7
4.5
43.6
6.3
-4.1
-3.8
20.6
5.3
3.3
14.9
28.7
-19.4
-23.2
-2.9
-10.4
%
6.9
Mm3
65.7
112.4
193.3
273.4
302.0
687.3
758.0
709.3
664.2
938.6
1015.7
1073.8
1257.7
1544.4
1370.4
1206.3
1190.5
1142.4
Mm3
1142.4
Diagram of inflow and release in the Nurek water reservoir
Diagram of volumes deviations in the Nurek water reservoir
Note: variance is calculated using the followingformula: 100 * (planned [predicted] - actual) / planned [predicted]