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Guadalupe Watershed Model

Year 1 Progress ReportSPLWG Meeting May 14th 2008

John Oram, Lester McKee, Michelle Lent

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Guadalupe River Watershed

• Characteristics– Area

• ~236 km2 below res.• ~178 km2 above res.

– 13% industrial– 13% commercial– 58% residential– 486,500 pop.

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MotivationItem #3b

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Model Development : StreamsItem #3b

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Model Development : DelineationItem #3b

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Model Development : DelineationItem #3b

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Model Development : Land UseItem #3b

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Model Development : Land UseItem #3b

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Model Inputs

• Precip (15 min)• Evap (daily)• Land Use• Topography• Stream Flow• Reservoir Flow

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Uncalibrated Results

Model underestimates baseflow(No reservoir flows)

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Uncalibrated Results : Reservoir Flows

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Next Steps

• Add additional precip stations• Add reservoir flows• Calibrate & validate• Run scenarios

– Determine lag times– Long-term water budget– Others?

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