Sacramento Model Effect of Parameters on Model Response
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NWS Calibration Workshop, LMRFC March, 2009 slide - 1 Sacramento Model Effect of Parameters on Model Response • Proper calibration of a conceptual model should result in parameters that cause model components to mimic processes they were designed to represent • Requires – Knowledge of the model structure – Ability to isolate effects of each parameter
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Proper calibration of a conceptual model should result in parameters that cause model components to mimic processes they were designed to represent Requires Knowledge of the model structure Ability to isolate effects of each parameter. Sacramento Model Effect of Parameters on Model Response. - PowerPoint PPT Presentation
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NWS Calibration Workshop, LMRFC March, 2009 slide - 1
Sacramento ModelEffect of Parameters on Model Response
• Proper calibration of a conceptual model should result in parameters that cause model components to mimic processes they were designed to represent
• Requires– Knowledge of the model structure– Ability to isolate effects of each parameter
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Sacramento Model Calibration
• Each parameter is designed to represent a specific portion of the hydrograph under certain moisture conditions
• Concentrate on having each parameter serve its primary function rather than overall goodness of fit
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LZFPC
LZTWD
UZFPC
LZFSC
UZTWD
SURDROIMP
SUPPRI SUR
INF
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Sacramento Model – Parameter Effects
• Baseflow / Low Flow– LZPK,LZSK,LZFPM,LZFSM– PFREE, SIDE, RIVA, PCTIM
• Percolation– Primary: LZFSM,ZPERC,REXP– Secondary: LZFPM, LZTWM, UZFWM, LZSK
• Storm Runoff– UZFWM, UZK, ADIMP
• Evaporation / Soil - Moisture Deficits– UZTWM, LZTWM, PE Adjustment Curve
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