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

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APPENDIX 2. ARC MACRO LANGUAGE (AML) PROGRAM USED TO CONVERT HYDROLOGIC RESPONSE UNIT(HRU) COVERAGE AND OTHER SPATIAL COVERAGE INFORMATION TO PRECIPITATION-RUNOFF MODELINGSYSTEM (PRMS) PARAMETER VALUES—CONTINUED&if [exists geosoils -info] &then&s delete_status [delete geosoils -info]&if [exists landuse1 -info] &then&s delete_status [delete landuse1 -info]&if [exists landuse2 -info] &then&s delete_status [delete landuse2 -info]&if [exists misc1 -info] &then&s delete_status [delete misc1 -info]&if [exists misc2 -info] &then&s delete_status [delete misc2 -info]&if [exists slopestats -info] &then&s delete_status [delete slopestats -info]&if [exists tempstats -info] &then&s delete_status [delete tempstats -info]&if [exists %infoname%.stats -info] &then&s delete_status [delete %infoname%.stats -info]&if [exists slopegrid -grid] &thenkill slopegrid/*/* FINISHED/*&type 8&messages &on&return &inform FINISHED!110
APPENDIX 3. DEFINITIONS OF PARAMETERS USED IN THE PRECIPITATION-RUNOFF MODELING SYSTEM(PRMS)ParameterDescriptionAJMX Adjustment proportion of rain in a rain-snow mix event, for months I = 1, 12ARSAMinimum snowfall, in water equivalent, needed to reset snow albedo during thethe snowpack accumulation stageARSMMinimum snowfall, in water equivalent, needed to reset snow albedo during thethe snowpack melt stageBSTTemperature below which precipitation is snow and above which it is rain (degreesFahrenheit or Celsius)CECNConvection-condensation energy coefficient for months I = 1, 12 (cal/ o C abovezero)COVDNS Summer cover density for major vegetation for each hydrologic-response unit(decimal percent)COVDNW Winter cover density for major vegetation for each hydrologic-response unit(decimal percent)CTSMonthly evapotranspiration coefficientsCTWCoefficient for computing snowpack sublimation from PETDENIInitial density of new-fallen snow (decimal fraction)DENMX Average maximum density of snowpack (decimal fraction)DRCORDaily precipitation correction factor for rain for each hydrologic-response unitDRNDrainage factor for redistribution of saturated moisture storage as a fraction ofKSAT—storm modeDTMRouting interval for overland flow or channel segment—storm mode (minutes)EAIREmissivity of air on days without precipitationELVCElevation of hydrologic-response unit (feet above MSL)EVV Evaporation pan coefficient for months 1-12FLGTHLength of overland flow plane or channel segment feet—storm modeFRNRoughness parameter for overland flow plane or channel segment—storm modeFWCAP Free water holding capacity of snowpack (decimal fraction of snowpack waterequivalent)GSNKCoefficient to compute seepage from each ground-water reservoir to a groundwatersinkGWStorage in each ground-water reservoir (acre - inches)HRUHydrologic-response unitICOVVegetation cover type for each hydrologic-response unit (0=bare,1=grasses, 2=shrubs, 3=treesIMPERV Percent impervious area for each hydrologic-response unit (decimal percent)IPETPotential evapotranspiration method switch (0=Jensen-Haise, 1= Hamon,2=use pan data)IRUIndex for specific hydrologic response unitISOILSoil type for each hydrologic-response unit (1=sand, 2=loam, 3=clay)ISSR1Surface runoff method switch (0=linear, 1=nonlinear)111
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Precipitation-Runoff and Streamflow
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U.S. DEPARTMENT OF THE INTERIORBRUC
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Determining Travel Time and Dilutio
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2. Stream-gaging stations used to c
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network-routing models where availa
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made on the main stem at base-flow
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Figure 1. Willamette River Basin, O
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EvapotranspirationINPUTSAirtemperat
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Table 1. Climate stations used to c
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Table 2. Stream-gaging stations use
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Figure 4. Mean annual precipitation
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Major Land Use MapHydrologic Soil G
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0.5 mi 2 , created in the merge of
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Table 6. Geology and soils matrix o
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tion value of the HRU class by the
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Table 8. Selected monthly basinwide
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Figure 9. Location of Precipitation
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Table 11. Statistical analyses of P
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flow can become a significant compo
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diffusion at selected grid interval
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samples were collected at various d
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3,0002,500June 21-30, 1993September
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stream network is shown on figure 1
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122˚30´ 15´122˚00´121˚45´Roc
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123˚22´30´´ 123˚15´ 123˚00´
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123˚00´´ 45´30´122˚15´45˚15
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YamhillRiver123˚45´ 30´ 15´123
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123˚07´30´´ 123˚00´ 45´ 30´
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123˚07´30´´ 123˚00´ 45´ 30´
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44˚15´14166000122˚07´30´´Will
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122˚15´ 122˚00´121˚52´30´´4
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44˚52´30´´45´122˚15´ 122˚00
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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
Page 80 and 81: Jobson, H.E., 1980, Comment on A ne
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Page 84 and 85: APPENDIX 1. STREAM GEOMETRY FOR MAI
Page 110 and 111: APPENDIX 2. ARC MACRO LANGUAGE (AML
Page 122 and 123: APPENDIX 3. DEFINITIONS OF PARAMETE
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Page 138 and 139: APPENDIX 6. DIFFUSION ANALOGY FLOW
Page 150 and 151: APPENDIX 7. PROGRAMMING STEPS TO IN
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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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