Precipitation-Runoff and Streamflow-Routing Models for the ...

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YamhillRiver123˚45´ 30´ 15´123˚00´´45˚22´30´´North45˚15´14197500YamhillRCreek14194000CreekSouthWillaminaYamhillDeerRiverCreekCreekPalmerSalt45˚00´MillCreek0 5 10 MILES0 5 10 KILOMETERSBase from U.S. Geological Survey digital data, 1:100,000, 1978-84Universal Transverse Mercator projection, Zone 10Stream-gaging station and14194000 U.S. Geological Surveyidentification numberRM 4.911EXPLANATIONTributary inflowRiver mile—measured from themouth of Yamhill RiverModel junction numberModel branch numberCozine CreekNorth YamhillRiverSouth Yamhill1River14197500RM 4.914194000RM 16.8 1 RM 11.2YamhillRM 8.9RiverRM 27.9Haun CreekPalmer Creek2Figure 23. Yamhill River Basin, Oregon, and schematic diagram of the stream network.46
the South Yamhill River near Whiteson (14194000)at RM 27.9 was used as the upstream boundary input.Subbasin hydrographs for Cozine, Hawn, and PalmerCreeks, and the North Yamhill River were simulatedby PRMS modeling and input to the Willamette WDMfile.Figure 24 shows results of routing the inputflow 23.4 miles downstream to the mouth (drainagearea is approximately 780 mi 2 ). There were no downstreamstream-gaging-station records with concurrentprecipitation records available, so comparisonsbetween simulated and observed flows could notbe made. Although observed flow is available atLafayette (14197500) from 1908–14 and 1929–32,precipitation data were not yet being collected in ornear the basin. PRMS was used to simulate 269 mi 2 ofintervening drainage area (35 percent of the basin).There were no statistical analyses for calibration orverification for this basin. Broad and Collins (1996)report that an average of about 45 ft 3 /s was consumedin the basin in 1990. This magnitude of water consumptionwould probably decrease summer low flowssuch that simulated flows for this period would behigher than observed flows.Santiam RiverThe mapped and schematized Santiam Riverstream network is shown on figure 25. The SantiamRiver is schematized as a three-branch network withsix tributary inflows and four diversion outflows. Dischargehydrographs, from observed data at the USGS100,00010,000DISCHARGE, IN CUBIC FEET PER SECOND1,00010010O N D J F M A M J J A S O N D J F M A M J J A S1973 1974WATER YEARFigure 24. Simulated discharge from combined Precipitation-Runoff Modeling System and Diffusion Analog Flowmodeling at the mouth of the Yamhill River, Oregon 1973–74 water years. (See Glossary for program descriptions.)47
Page 1:
Precipitation-Runoff and Streamflow
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U.S. DEPARTMENT OF THE INTERIORBRUC
Page 6 and 7: Determining Travel Time and Dilutio
Page 8 and 9: 2. Stream-gaging stations used to c
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Page 14 and 15: made on the main stem at base-flow
Page 16 and 17: Figure 1. Willamette River Basin, O
Page 18 and 19: EvapotranspirationINPUTSAirtemperat
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Page 26 and 27: Major Land Use MapHydrologic Soil G
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Page 46 and 47: 3,0002,500June 21-30, 1993September
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Page 68 and 69: observed flow at the Willamette Riv
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Page 74 and 75: ARC-INFO and Geographic Information
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Page 84 and 85: APPENDIX 1. STREAM GEOMETRY FOR MAI
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APPENDIX 1. STREAM GEOMETRY FOR MAI
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APPENDIX 1. STREAM GEOMETRY FOR MAI
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APPENDIX 2. ARC MACRO LANGUAGE (AML
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APPENDIX 3. DEFINITIONS OF PARAMETE
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APPENDIX 3. DEFINITIONS OF PARAMETE
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APPENDIX 4. MEASUREMENTS USED TO DE
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APPENDIX 5. EXAMPLE PRECIPITATION-R
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APPENDIX 5. EXAMPLE PRECIPITATION-R
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APPENDIX 6. DIFFUSION ANALOGY FLOW
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APPENDIX 7. PROGRAMMING STEPS TO IN
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APPENDIX 8. PROGRAMMING STEPS TO DE
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150Climatemaxtempmintempprecipitati
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APPENDIX 10. DIRECTORY TREE AND DES
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APPENDIX 11. DIRECTORY TREES AND DE
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APPENDIX 11. DIRECTORY TREES AND DE
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APPENDIX 12. DIRECTORY FOR will.wdm
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APPENDIX 13. PROGRAMMING STEPS FOR
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APPENDIX 14. INPUT FILES FOR BRANCH
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