WSP11706

• File Number: 8271.300
• Description: Colorado River Basin Salinity Control Program - General Information and Publications-Reports
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 6/1/1980
• Title: Development of Procedures to Evaluate Salinity Management Strategies in Irrigation Return Flows
• Water Supply Pro - Doc Type: Report/Study

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Figure

LIST OF FIGURES (CONTINUED)

Sensitivity of the field application efficiency
of the Grand Valley, Colorado, irrigation system
to changes in a) operational spills, b) canal
conveyance system efficiency, c) reduction in
canal diversions, and d) tail water runoff

Schematic diagrams of two different possible
representations of the Grand Valley, Colorado,
irrigation system.

4.9. Interrelationship between a reduction of
historical canal diversions for the 1970-1972
water years and an increase in canal conveyance
efficiency for GV system I

4,7.

4,8.

4.10. Relative sensitivity of system 1 and system 2,
Grand Valley, Colorado, deep percolation to
changes in canal conveyance efficiency and
reductions in canal diver ions.

5,1.

5,2.

5.3,

5,4.

5.5,

5.6.

5.7,

5.8,

5,9.

Simplified flow diagram for studying the effects
of management options on the quality and
quantity of i~~igation ~etUrn flows.

Flow schematic for one unit of irrigation canal
water from its diversion to point of field
application.

Predicted outflow response for period 1970-1972 for
Management Alternatives 1 and 2 of a) water. b)
salt, and c) salinity concentrat,ion (TD5) to
lining of canals

Predicted outflow response for ~eriod 1970-i912
for Management Alternative 3 of a) water, b) salt
c) salinity concentration (T05) to changing from
flood to sprinkler irrigation. , . , . , . , , .

Predicted outflow response for period 1970-1972
for Management Alternative 4 of a) water, b)
salt, and c) salinity concentration (T08) to
changes in canal diversions while maintaining
the field application rate constant.

Predicted outflow response for period i970-1972
for Management Alternative 5 of a) water, b) salt,
and c) salinity concentratIon (TDS) to changes in
canal diversions and lining of canals while main-
taining the field application rate constant. . . .

Predicted outflow response for period 1970-1972
for Management Alternative 6 of a) water, b) salt,
c) salinity concentration (TDS) , and d) application
efficiency to changes in cannal diversions

Comparison of canal diversions for the period
1970-1972 for the Grand Valley, Colorado, area
between the base calibration and the best run
(# 36) from Management Alternative 6

Predicted outflow response for period i970-1972
for Management Alternative 7 of a) water, b) salt,
c) salinity (TDS) and d) application efficiency
to changes in canal diversions and EAP . . . . . .

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