WSP03634

• File Number: 8102.400
• Description: Arkansas River Hydrology - Transmountain Diversions-Imports
• State: CO
• Basin: Arkansas
• Water Division: 2
• Date: 2/10/1998
• Author: USGS
• Title: Methods to Determine Transit Losses for Return Flows of Transmountain Water in Fountain Creek Between Colorado Springs and the Arkansas River-Colorado
• Water Supply Pro - Doc Type: Report/Study

Figures 35-38.

Streamflow diversions along Fountain Creek used in
determination and application of transit losses------------- 10
Nodes along Fountain Creek used in determination and
application of transit losses------------------------------- 17
Physical dimensions and aquifer hydraulics for subreaches
along Fountain Creek used in determination and application
of transit losses------------------------------------------- 18
Aquifer tests in Fountain Creek valley. used to determine
values of transmissivity for subreaches--------------------- 20
Summary of results for calibration and verification of
streamflow-routing model------------------------------------ 38
Slopes of relations between initial bank-storage-loss
adjustment factor and ratio of downstream to upstream
native streamflows------------------------------------------ 61
Percentage of adjusted initial bank-storage loss returned
to stream and percentage of adjusted initial bank-storage
loss remaining in. bank storage for 1 to 180 recovery-period
days-------------------------------------------------------- 66
8. Summary of pan-evaporation data for Pueblo City Reservoir
(station 6745) and computed evaporation rate used to
determine daily evaporation loss---------------------------- 73
9. Example of stream-segment computations for the stream segment
between station 07105500 Fountain Creek at Colorado Springs
and station 07105800 Fountain Creek at Security for a 4-day
period during October 1985---------------------------------- 82
10. Example of subreach computations for subreach 1 between
node Al Fountain Creek at Colorado Springs Wastewater
Treatment Facility and node A2 Fountain Creek at Stubbs
and Miller ditch for a 4-day period during October 1985----- 83
11. Example computation of gains from bank storage for subreach 1
between node Al Fountain Creek at Colorado Springs Wastewater
Treatment Facility and node A2 Fountain Creek at Stubbs and
Miller ditch for a 4-day period during October 1985--------- 84

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39.

Graphs showing: Continued
38. Sensitivity of bank-storage loss to trans-
missivity for selected recovery periods---------
Diagram showing time periods to be used in
computation of adjusted daily streamflow records
at each of five streamflow-gaging stations on
Fountain Creek---------~-----------------------------
Flowchart of the two-level process used for
computation of daily transit loss--------------------
Quantity of transmountain return flows released at
Colorado Springs Wastewater Treatment Facility and
quantity of transmountain return flows at mouth of
Fountain Creek computed by application of study
results using a 60-day recovery period, October
1985-------------------------------------------------

86

75

78

40.

80

41.

TABLES

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