the sacramento regional model
DESCRIPTION
The Sacramento regional model. Model Overview and Potential Applications Norm Jones Michelle Smilowitz. Company Background. Software development Training Consulting. Arc Hydro. www.aquaveo.com. Groundwater. Project Objectives. Regional groundwater model ASR design and optimization - PowerPoint PPT PresentationTRANSCRIPT
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THE SACRAMENTO REGIONAL MODEL
Model Overview and Potential ApplicationsNorm Jones
Michelle Smilowitz
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Company Background
Software development
Training Consulting
www.aquaveo.com
Arc HydroGroundwater
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Project Objectives
Regional groundwater model ASR design and optimization Flexible and cost-effective Incorporate the latest data Accurate representation of
regional hydrogeology
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Code Selection
1
1
2
4
119
57
8
3
10
6
1. Confined/unconfined aquifers
2. Interbeds3. Faults and barriers4. Confining units5. Rivers6. Drains and springs7. Streams8. Reservoirs9. Recharge10.Evapotranspiration11.Wells
MODFLOW
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Model Domain
Bear River
Feather River
Sacramento River
Sierra Nevada
Mokelumne River
Area Acres % Model Domain
North American Sub Basin 340,170 39.2%
South American Sub Basin 247,745 28.5%
Cosumnes Sub Basin 280,490 32.3%
Total Model Domain Acreage: 868,405 100.0%
AREAS
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Conceptual Model - Hydrogeology
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GeoSections
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Wedge Model - Outcropping
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Ancestral Streams
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Ancestral Streams
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Ancestral Streams
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Riverbank Model Layer 1
Consists of sands, silts, and clays from floodplain and alluvial deposits
Superjacent ancestral stream channels cut across this formation creating lateral channels of gravels and unconsolidated sediments
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Predominantly consists of sands, silts, and clays Superjacent ancestral stream channels cut across this
formation, creating lateral channels of gravels and unconsolidated sediments
Turlock Lake Laguna FormationModel Layers 3,4 and 5
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Composed of two dominant units: Black andesitic sands “salt and pepper sand” and blue
and brown clays Hard gray and black tuff-breccias “lava”
Mehrten FormationModel Layers 6,7 and 8
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Consists of rhyolite ash, quartz sand , and ashy clay
Valley Springs FormationModel Layer 9
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Consists of sandstone, silts, and clays
Ione FormationModel Layer 10
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Rivers, Streams, and Canals
Losing River
Gaining River
Disconnected River
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Water Demand/Recharge Calculations
Automated GIS Workflow
GSSHA Simulation Recharge Coeffs
Master Land Use FilesWater Unit Demand
FactorsWater YearCalculate
Change in Land Use
Calculate Total Applied WaterCalculate Water Demand
Total Applied Water and Precip
Total Recharge
Recharge to
MODFLOW
Total Flow from Ungaged
Watersheds
Lateral Inflow to MODLFLOW
Calculate Recharge Model
Calculate Demand SummaryWater Budgeting and
Accounting
Distribute Demand
GSSHA simulations
Recharge coeff. for each STLU for each water year
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Steady State Calibrated Heads
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Roseville Pilot Test Calibration
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Mokelumne River
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Model Applications
Contaminant transport analysis Design of remediation systems ASR design and optimization Probabilistic modeling and risk
analysis Water banking and exchange Surface water/ground water
interaction
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ASR Simulation
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Summary
Realistic and accurate model of regional hydrogeology
Incorporates the latest field investigations
Based on MODFLOW suite of codes Rapid response as questions and
opportunities arise Effective communication of results Low-cost development and
maintenance
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Contacts
Norm Jones
(801) [email protected]
Michelle Smilowitz
(305) [email protected]
Royd Nelson
(801) [email protected]
Derrick Whitehead
(916) [email protected]
Cathy Lee
(916) [email protected]