1 Guadalupe Watershed Model Year 1 Progress Report SPLWG Meeting May 14 th 2008 John Oram, Lester McKee, Michelle Lent Item #3b

2 Guadalupe River Watershed Characteristics –Area ~236 km 2 below res. ~178 km 2 above res. –13% industrial –13% commercial –58% residential –486,500 pop. Item #3b

3 Motivation Item #3b

4 Model Development : Streams Item #3b

5 Model Development : Delineation Item #3b

6 Model Development : Delineation Item #3b

7 Model Development : Land Use Item #3b

8 Model Development : Land Use Item #3b

9 Model Inputs Precip (15 min) Evap (daily) Land Use Topography Stream Flow Reservoir Flow Item #3b

10 Uncalibrated Results Model underestimates baseflow (No reservoir flows) Item #3b

11 Uncalibrated Results : Reservoir Flows Item #3b

12 Next Steps Add additional precip stations Add reservoir flows Calibrate & validate Run scenarios –Determine lag times –Long-term water budget –Others? Item #3b