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Sacramento ModelHypothetical Wetting and Drying Cycle

• Total period: 30 days

• Rain: days 1 and 2

• Evapotranspiration: begins on day 3; 5 mm/day or 1.25mm/t

• Time step 6 hours

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Wet Dry Cycle ExampleSAC-SMA Parameters

Name Value Name Value

UZTWM 50.0 ZPERC 29.0

UZFWM 20.0 REXP 2.0

UZK 0.4 LZTWM 200.0

PCTIM 0.01 LZFSM 50.0

ADIMP 0.10 LZFPM 250.0

RIVA 0.05 LZSK 0.15

RSERV 0.3 LZPK 0.006

SIDE 0.0 PFREE 0.2

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Wet-Dry CycleInitial Conditions

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