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

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123˚07´30´´ 123˚00´ 45´ 30´15´122˚00´´121˚45´´45˚45´North14183000LittleNorthSantiamRiverSantiam R14189000Little SantiamRiverThomasCrabtreeSantiamCreekRiverNorthSantiamRiver45˚30´CreekQuartzvilleCreekOnehorseSloughSouth14187500SantiamCrHamiltonMiddleSantiamRiverRiver45˚15´Wiley CreekBase from U.S. Geological Survey digital data, 1:100,000, 1978-84Universal Transverse Mercator projection, Zone 100 5 10 15 20 MILES0 5 10 15 20 KILOMETERSEXPLANATIONTributary inflow3Santiam3Little SantiamRiverRiverRM14189000RM 2.12North Santiam River2.1RM 13.11Salem DitchDiversionRM29.8Salem Water PlantDiversionRM31.4114183000RM 38.7Diversion (outflow)14189000RM 2.111Stream-gaging station andU.S. Geological Surveyidentification numberRiver mile—North SantiamRiver measured from themouth of Santiam River.South Santiam Rivermeasured from the mouth ofSouth Santiam RiverModel junction numberModel branch numberThomas CreekCrabtree CreekOnehorse Slough2RM18.0RM20.53.0 4.3RM RMSouth Santiam RiverAlbany DitchDiversionHamilton CreekLebanon DitchDiversion4RM21.2 14187500RM 23.3Figure 25. Santiam River Basin and schematic diagram of the stream network.48
100stream-gaging station on the North Santiam River atMehama (14183000) at RM 38.7 and the streamgagingstation on the South Santiam River at Waterloo(14187500) at RM 21.2 on the South Santiam River,were used as upstream boundary inputs. Subbasinhydrographs for the tributaries shown on figure 26were simulated by PRMS modeling and input to theWillamette WDM file. Data for two major diversionson the North Santiam River and two major diversionson the South Santiam River were provided from staterecords.Figure 26 shows results of routing the input flow38.7 miles downstream from Mehama on the NorthSantiam River and 23.3 miles downstream fromWaterloo on the South Santiam River, where it can becompared to observed flow at the Santiam River at Jeffersonstream-gaging station (14189000). PRMS wasused to simulate 485 mi 2 of intervening drainage area(27 percent of the basin). Results of statistical analysesfor the calibration and verification time periods indicateabsolute errors of 7.4 and 6.5 percent, respectively,with a positive bias of about 3 percent for bothperiods (table 12). Departures between simulated andobserved discharge in summer reflect water consumptionfrom irrigation. Broad and Collins (1996) reportthat an average of 270 ft 3 /s was consumed in 1990 forall water uses in the basin.McKenzie RiverThe mapped and schematized McKenzie Riverstream network is shown on figure 27. The McKenzieObservedSimulatedDISCHARGE, IN THOUSANDS OF CUBIC FEET PER SECOND101O N D J F M A M J J A S O N D J F M A M J J A S1973 WATER YEAR1974Figure 26. Observed and simulated discharge from combined Precipitation-Runoff Modeling System and Diffusion Analog Flowmodeling for Santiam River at Jefferson, Oregon (stream-gaging station 14189000), 1973–74 water years. (See Glossary forprogram descriptions.)49
Page 1:
Precipitation-Runoff and Streamflow
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U.S. DEPARTMENT OF THE INTERIORBRUC
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Determining Travel Time and Dilutio
Page 8 and 9: 2. Stream-gaging stations used to c
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Page 12 and 13: network-routing models where availa
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
Page 20 and 21: Table 1. Climate stations used to c
Page 22 and 23: Table 2. Stream-gaging stations use
Page 24 and 25: Figure 4. Mean annual precipitation
Page 26 and 27: Major Land Use MapHydrologic Soil G
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Page 30 and 31: Table 6. Geology and soils matrix o
Page 32 and 33: tion value of the HRU class by the
Page 34 and 35: Table 8. Selected monthly basinwide
Page 36 and 37: Figure 9. Location of Precipitation
Page 38 and 39: Table 11. Statistical analyses of P
Page 40 and 41: flow can become a significant compo
Page 42 and 43: diffusion at selected grid interval
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Page 46 and 47: 3,0002,500June 21-30, 1993September
Page 48 and 49: stream network is shown on figure 1
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Page 56 and 57: YamhillRiver123˚45´ 30´ 15´123
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Page 68 and 69: observed flow at the Willamette Riv
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Page 72 and 73: 20DYE CONCENTRATION, IN MICROGRAMS
Page 74 and 75: ARC-INFO and Geographic Information
Page 76 and 77: WILL.WDMData-base file(Observed pre
Page 78 and 79: WILL.WDMData-base fileSWSTATSFreque
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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 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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