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

EXAMPLE 5
RELEASE FROM Clear Creek RESERVOIR TO Colorado Canal
Date of release: 9 -2 -73 Amount of release: 100 ft /s Duration of release: 5 days (120 hours)
Flow at Wellsville gaging station prior to release: 1,000 ft 3 /s
(Call 539 -6487 for stage, obtain discharge from table 2)
Time of travel (fig. 3): 36 hours
94
TRANSPORTATION LOSSES
Bank storage (fig. 6)
1
2
3
4
5
1
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,
(hours)
(ft /s)
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
48
5
240
312+
- --
- --
70
189
Totals
1-3
120
100
1,390
Charge for
bank storage loss is 70 percent of
column 5 divided by
duration of release:
8.1 ft /s
Inadvertent diversions
8
100
3
Charge for
inadvertent diversion losses (fig.
7):
59
19.0 ft /s
Evaporation
10
100
20
19.0
Surface area increase (fig. 8): 40 acres
0
39
0.4 ft /s
Charge for
change in surface area (fig. 9):
100
10
19.0
Charge for
change in river temperature (fig.
10):
71
0 ft /s
TOTAL TRANSPORTATION LOSS-----------------------------------------------
-- --- ----------- - - -- -- 27.5 ft /s
TOTAL TRANSPORTATION LOSS (percent of
release) ------------------------------------------ - - - --- 27,5
.4
--
DIVERSION SCHEDULES
76
312+
During recession at Colorado Canal
Final divertible discharge from column 9 above-------------------------------------- - ----- - -- - - -- 76 ft /s
Release recession began at 0330 hours
Time interval from beginning Average divertible discharge
of recession (hours) (fig. 11, ft /s)
0 -4 58
4 -8 31
8 -12 12
12 -16 3
16 -22 p
22 -32 0
M .
Prior to recession at Colorado Canal
1
2
3
4
5
6
7
8
9
Average
Channel
Average
Time
Maximum time
Release
bank storage
Inadvertent
Evaporation
storage
Total
divertible
interval
in hours
discharge
(col. 4 above,
diversion
(ft /s)
(fig. 4,
(cols. 4 -7,
discharge
hours)
(ft /s)
ft /s)
(ft /s)
ft /s
ft /s)
(ft /s)
0 -1
1
100
100
1910
0.4
70
189
--
1-3
2
100
50
19.0
.4
55
124
--
3-11
8
100
30
19.0
.4
10
59
41
11 -21
10
100
20
19.0
.4
0
39
61
21 -72
51
100
10
19.0
.4
--
29
71
72 -312
240
100
5
19.0
.4
--
24
76
312+
- --
- --
- --
- - --
Release arrived
at 1600
hours
During recession at Colorado Canal
Final divertible discharge from column 9 above-------------------------------------- - ----- - -- - - -- 76 ft /s
Release recession began at 0330 hours
Time interval from beginning Average divertible discharge
of recession (hours) (fig. 11, ft /s)
0 -4 58
4 -8 31
8 -12 12
12 -16 3
16 -22 p
22 -32 0
M .