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SJR DO Depletion Modeling Progress Update Andy Thuman, P.E. (HydroQual) Laurie De Rosa (HydroQual)

SJR DO Depletion Modeling Progress Update Andy Thuman, P.E. (HydroQual) Laurie De Rosa (HydroQual). SJR Technical Working Group November 18, 2004. Summary Project Status. Task 2 - Data compilation & review (Data Atlas) Completed Task 3 - DSM2-delta modeling (develops BC)

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SJR DO Depletion Modeling Progress Update Andy Thuman, P.E. (HydroQual) Laurie De Rosa (HydroQual)

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  1. SJR DO Depletion ModelingProgress UpdateAndy Thuman, P.E. (HydroQual)Laurie De Rosa (HydroQual) SJR Technical Working GroupNovember 18, 2004

  2. Summary Project Status • Task 2 - Data compilation & review (Data Atlas) • Completed • Task 3 - DSM2-delta modeling (develops BC) • Completed development of BC interface • Task 4 - DWSC modeling (ECOMSED/RCA) • Calibrated Hydrodynamics to 2000-2001 • Numerical simulation of dye release, comparison of model temperature stratification to data

  3. Summary Project Status – Con’t • Task 5 - Upstream SJR modeling (DSM2-sjr) • Ongoing • Task 6 - Adaptive/Corrective Management • Task 7 – Review Monitoring in Support of 3D Modeling • Completed

  4. HydroQual Project Status • SJR DWSC Hydrodynamics: • Numerical simulation of dye release at Rough & Ready Island (near R5) • Lateral mixing and tidal transport • Comparison to diurnal & stratification temperature data • 2000 & 2001 data at R5 and the Turning Basin • 2002 diurnal temperature stratification data at Rough & Ready Island near R5. • Upstream SJR modeling (DSM2-sjr) • Developed water quality boundary conditions for chlorophyll, nitrogen, phosphorus, DO, BOD for major inflows • Begun running water quality simulations using preliminary flow, EC and temperature simulations (Jones & Stokes)

  5. DWSC Dye Release Run • Release occurs for 1 hr on 8/9/2000 at low-high slack water • Net DWSC tidal flow is ~1000 cfs • Dye released at the bottom of the water column near station R5 • Dye release: 50 cfs at 100 mg/L

  6. Surface Dye Concentrations(0.5 hrs after release) 0 . 7 0 0 . 7 Miles Percent of Initial Dye Release Concentration

  7. Surface Dye Concentrations(2.5 hrs after release) Percent of Initial Dye Release Concentration

  8. Surface Dye Concentrations(3.5 hrs after release) Percent of Initial Dye Release Concentration

  9. Surface Dye Concentrations(6.5 hrs after release) Percent of Initial Dye Release Concentration

  10. Surface Dye Concentrations(12.5 hrs after release) Percent of Initial Dye Release Concentration

  11. Surface Dye Concentrations(21.5 hrs after release) Percent of Initial Dye Release Concentration

  12. Diurnal Temperature Stratification Data, May – August 2002, RRI near R5

  13. Model Diurnal Temperature Stratification, May – August 2000, RRI near R5

  14. Model Diurnal Temperature Stratification, May – August 2001, RRI near R5

  15. San Joaquin River, Stevinson to Vernalis, Average TSS & Chlorophyll-a: June-August, 2000 & 2001 Data: UCD, Dahlgren

  16. San Joaquin River, Stevinson to Vernalis, Average Inorganic Nutrients: June-August, 2000 & 2001 Data: UCD, Dahlgren

  17. Upstream SJR modeling (DSM2-SJR) • Flow, EC and Temperature preliminary calibration - Jones & Stokes • Geometry • Water Quality

  18. Model Diurnal Temperature Stratification, May – August 2001, Turning Basin

  19. Model Diurnal Temperature Stratification, May – August 2000, Turning Basin

  20. Questions & Answers

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