the sacramento regional groundwater model
DESCRIPTION
The Sacramento Regional Groundwater Model. Derrick Whitehead Roseville City - Roseville, CA Norm Jones Aquaveo - Provo, UT Michelle Smilowitz Heatwave Data - Miami , FLA. Project Setting. Roseville. Objectives. Local-scale issues Aquifer storage and recovery Migration of contaminants - PowerPoint PPT PresentationTRANSCRIPT
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The Sacramento Regional Groundwater Model
Derrick WhiteheadRoseville City - Roseville, CA
Norm JonesAquaveo - Provo, UT
Michelle SmilowitzHeatwave Data - Miami, FLA
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Project Setting
Roseville
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• Local-scale issues– Aquifer storage and
recovery– Migration of
contaminants• Regional-scale issues
– Long-term demand– Water conservation
strategies– Banking and exchange
Objectives
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Tools
MODFLOW
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Model Domain
Bear River
Feather River
Sacramento River
Sierra Nevada
Mokelumne River
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Hydrogeologic Characterization
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3D Cross Sections
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GeoVolumes
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Model Grid Layering
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Ancestral Streams
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Stresses
Rivers, Streams, Canals Supply Wells
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• US Army Corps of Engineers• Simulates
– 2D overland flow– 1D streamflow– 1D infiltration– Evapotranspiration– Deep percolation
Gridded Surface Subsurface Hydrologic Analysis (GSSHA)
1
2
3
45
67
Ungaged Watershe
ds
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GSSHA Results
1
2
3
45
67
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• GIS workflow– Shape files– Tables– Time series– Geoprocessing tools
• Outputs– Summary tables– Pumping files– Recharge files– Lateral inflow files
Water Demand Model
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Land Use Patterns
Master Land Use File
Change from Non-urban to Urban
Farm Data
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Water Unit Demand FactorsAgricultural Demand
Factors (DWR)
Urban Demand Factors
Water Year Index 2002 ITRC Crop
Evapotranspiration Rates for Eto Zone 14
ITRC Report 02-001, funded by CALFED and Agricultural Research Initiative of California State Univ.
Model Output for Representative Water Years
Normalization Factor based on Water Year Index
Monthly Conversion Factors
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Steady State Calibration
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• October 2006 through September 2050• Monthly time steps• Two versions– With conservation measures– Without conservation measures
Predictive Model
The Water Conservation Act introduced by Senator Steinberg sets a goal of reducing per capita urban water use by 20% by December 31, 2020, with an intermediate goal of reducing per capita water use by at least 10% by December 31, 2015.
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Aquifer Storage and Recovery
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Current and Future ASR Wells
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Local-Scale Model
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Local-Scale Model
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Sample Results
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