Colorado Water Resources Circular No. 20

• Description: Colorado Water Resources Circular No. 20, Transit Losses and Travel Times for Reservoir Releases, Upper Arkansas River Basin, Colorado
• State: CO
• State: KS
• Basin: Arkansas
• Water Division: 2
• Date: 1/1/1973
• Author: Russell K. Livingston, U.S. Geological Survey, Colorado Division of Water Resources: Office of the State Engineer, Southeastern Colorado Water Conservancy District
• Title: Colorado Water Resources Circular No. 20, Transit Losses and Travel Times for Reservoir Releases, Upper Arkansas River Basin, Colorado
• Water Supply Pro - Doc Type: Report/Study

$M7
EXAMPLE 6
RELEASE FROM Clear Creek
RESERVOIR TO Colorado Canal
g ate of release: 6 -19 -72 Amount of release: 100 ft /s Duration of release: 14 days (336 hours)
Flow at Wellsville gaging station prior to release: d,000 /s
(Call 539 -6487 for stage, obtain discharge from table 2)
Time of travel (fig. 3): 36 hours
1,
Totals 336 2,350
Charge for bank storage loss is 70 percent of column 5 divided by duration of release: 4.9 ft /s
Inadvertent diversions
Charge for inadvertent diversion losses (fig. 7): 19.0 ft /s
Evaporation
Surface area increase (fig. 8): 40 acres
Charge for change in surface area (fig. 9): 0,5 ft /s
Charge for change in river temperature (fig. 10): 0 ft /s
TOTAL TRANSPORTATION LOSS-- - - -- -- 24.4 ft /
TOTAL TRANSPORTATION LOSS (percent of release)------------------------------------------ - - - - -- - 2 - 7, - 4 %
DIVERSION SCHEDULES
1 2 3
Time Maximum time Release
interval in hours discharge
( hours) ft /s
0 -1 1 100
1 -3 2 100
3 -11 8 100
11 -21 10 100
21 -72 51 100
72 -312 240 100
312+ - -- 100
Release arrived at 1430 hours
Prior to recession at Colorado Canal
4
TRANSPORTATION LOSSES
6
Average
Bank storage (fig. 6)
Inadvertent
Evaporation
1
2
3
4
5
100
19.0
Average
Bank storage
Time interval
Maximum time
Actual time
bank storage
in time interval
(hours)
in hours
in interval
in interval
(col. 3 X col. 4,
.5
5
(hours)
(ft /8)
hours x ft /s)
0 -1
1
1
100
100
1 -3
2
2
50
100
3 -11
8
8
30
240
11 -21
10
10
20
200
21 -72
51
51
10
510
72 -312
240
240
5
1,200
312+
- --
24
0
0
Totals 336 2,350
Charge for bank storage loss is 70 percent of column 5 divided by duration of release: 4.9 ft /s
Inadvertent diversions
Charge for inadvertent diversion losses (fig. 7): 19.0 ft /s
Evaporation
Surface area increase (fig. 8): 40 acres
Charge for change in surface area (fig. 9): 0,5 ft /s
Charge for change in river temperature (fig. 10): 0 ft /s
TOTAL TRANSPORTATION LOSS-- - - -- -- 24.4 ft /
TOTAL TRANSPORTATION LOSS (percent of release)------------------------------------------ - - - - -- - 2 - 7, - 4 %
DIVERSION SCHEDULES
1 2 3
Time Maximum time Release
interval in hours discharge
( hours) ft /s
0 -1 1 100
1 -3 2 100
3 -11 8 100
11 -21 10 100
21 -72 51 100
72 -312 240 100
312+ - -- 100
Release arrived at 1430 hours
Prior to recession at Colorado Canal
4
5
6
Average
bank storage
Inadvertent
Evaporation
(col. 4 above,
diversion
(ft /8)
ft /6)
(ft /s)
100
19.0
0.5
50
19.0
.5
30
19.0
.5
20
19.0
.5
10
19.0
.5
5
1910
.5
0
19.0
.5
During recession at Colorado Canal
7
Channel
storage
(fig. 4,
ft /s
70
55
10
0
Final divertible discharge from column 9 above-------------------------------------------
Release recession began at 0200 hours
Time interval from beginning
of recession (hours)
0 -4
4 -8
8 -12
12 -16
22 -32
8
Total
(cols. 4 -7,
ft /s)
190
125
59
0
30
24
20
Average divertible discharge
(fi&. 11, ft /s)
62
33
13
3
0
0
9
Average
divertible
discharge
(ft /s)
41
60
70
76
80
80 ft /s
37