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The Sacramento regional model

The Sacramento regional model. Project Review and Final Report Norm Jones Michelle Smilowitz. Company Background. Software development Training Consulting. Arc Hydro. www.aquaveo.com. Groundwater. Modeling Protocol. Derrick. Norm. Michelle. Norm.

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The Sacramento regional model

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  1. The Sacramento regional model Project Review and Final Report Norm Jones Michelle Smilowitz

  2. Company Background • Software development • Training • Consulting Arc Hydro www.aquaveo.com Groundwater

  3. Modeling Protocol Derrick Norm Michelle Norm Adapted from Anderson & Woessner, 1992

  4. Code Selection Criteria • Are the capabilities of the code consistent with the modeling objectives? • Is the code verified and well-established? • Can the code simulate each of the critical processes in the conceptual model at a sufficient level of accuracy? • Is the code easy to use and maintain?

  5. Parsimony “Everything should be made as simple as possible. But not simpler.” – Albert Einstein Groundwater models should be complex enough to be useful, yet simple enough to be cost-effective and manageable.

  6. 8 10 7 5 3 6 11 9 4 1 2 1 MODFLOW • Confined/unconfined aquifers • Interbeds • Faults and barriers • Confining units • Rivers • Drains and springs • Streams • Reservoirs • Recharge • Evapotranspiration • Wells Developed and supported by the USGS Public Domain Widely-used Rich suite of add-ons, utilities, & companion programs Cost-effective

  7. Particle Tracking with MODPATH

  8. Contaminant Transport Modeling MT3DMS, RT3D, SEAM3D

  9. Surface Water/Ground WaterInteraction

  10. Surface Water/Ground Water • Flow budget output • Detailed summary of SW/GW exchange quantities • River package (RIV) • Stage specified • Streamflow-routing package (SFR) • Flow specified • Routing • Stage calculated

  11. Development and Maintenance Costs • Low development cost • 12 months • $267,000 • Cost savings due to • Mature suite of pre- and post-processing tools • Leveraging • GIS linkage and tools • Model portability – widespread expertise

  12. Groundwater Modeling System (GMS)

  13. Conceptual Model - Site Map

  14. Feature Objects Well Point General Head Polygon River Arcs Variable Head Polygon Specified Head Arcs

  15. Grid-Based Numerical Model

  16. Arc Hydro Groundwater Data model and tools for managing groundwater data in ArcGIS

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