9625

• UCREFRP Catalog Number: 9625
• Author: Friedel, M. J.
• Title: Probable Effects of the Proposed Sulphur Gulch Reservoir on Colorado River Quantity and Quality Near Grand Junction, Colorado.
• USFW Year: 2004.
• USFW - Doc Type: \
• Copyright Material: NO

Cooterrts
Abstract.. .
Introduction ................................................... .............................................. 2
Description of Study Area ..................................... .............................................. 2
Physiography and Climate ............................... .............................................. 2
Geology ................................................. .............................................. 2
Water Management and Use ........................... .............................................. 4
Land Use ................................................ .............................................. 4
Description ofthe Model ...................................... .............................................. 4
Conceptualization ....................................... .............................................. 4
Parameterization ........................................ .............................................. 6
Measurements .........................................
.............:.......... 7
......................
Random Variables ................................. .............................................. 9
Autocorrelation .................................... .............................................13
Nonlinear Regression and Residual Analysis ....... .............................................14
Monte Carlo Method .................................... .............................................14
Hydrology Model ........................................ .............................................18
Water-Quality Model ................................... ..............................................18
Model Validation .............................................. ............................................. 20
Stability and Convergence ............................. .............................................. 20
Comparison of Simulated and Measured Forecasts .... .............................................. 26
Scenario Modeling ............................................ ............................................. 30
Water Quantity ......................................... .............................................. 30
Diverdble Flow .................................... .............................................. 30
Pumpable Flow ................................................................................. 31
Reservoir Storage .............................................................................. 31
Water Budget .................................................................................. 34
Water Qualiry ........................................................................................ 35
Occurrence and Distribution of Selenium ................................................................... 48
Summaryand Conclusions ................................................................................. 51
References Cited ........................................................................................... 53
Appendix 1-Hydrology Model Description ................................................................ 57
Appendix 2 Water-Qualify Model Description ............................................................. 63
Figures
1. Map showing location of study area between De Beque and Palisade .............................3
2. Schematic showing primary study reach hydrologic components considered in the
stochastic mixing model ..................................................................... ......5
3-14. Graphs showing:
3. Annual flow exceedance at Colorado River near Cameo for 1974^2001 ................... ......9
4. Historical flow diversions atthe Grand Valley Irrigation Canal ............................ .... 11
5. Historical flow diversions atthe Government Highline Canal ............................. .... 12
6. Autocorrelation function for streamflow at Cameo during 1974-2011 ..................... .... 13
7. Comparison of reservoir volume and reservoir surface area ............................. .... 14
8. Comparison ofbest-frt curves and measurements of streamflow exceedance
for Colorado River near Palisade ......................................................... .... 15
9. Stochastic simulation of reservoir evaporation atthe Orchard Mesa research station
near Grand Junction ..................................................................... .... 15
10. Stochastic simulation of streamflow at Plateau Creek near Cameo ...................... .... 16
11. Stochastic simulation ofdissolved-solids concentration at Colorado River near Cameo.. .... 16