1. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Sediment Transport

2. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Solids State Variables EUTRO-7 Module EUTRO-7 Module –Phytoplankton (mg C/L) –Detritus (mg C/L) –Inorganic S (mg dw/L) TOXI-7 Module –Inorganic Fines (mg dw/L) –Sands (mg dw/L) –Biotic Solids (mg dw/L)

3. Watershed & Water Quality Modeling Technical Support Center WASP7 Course EUTRO-7 Solids Kinetics Dissolution Phytoplankton Growth DetritusDetritus Respiration Death Periphyton Growth Death Respiration Settling Settling Inorganic Solids Settling

4. Watershed & Water Quality Modeling Technical Support Center WASP7 Course TOXI-7 Solids Kinetics Production S1 - Inorganic Fines S3 - Biotic Solids Dissolution (1-f ash ) (f ash ) Net Biotic SettlingSettling S2 - Sands Settling

5. Watershed & Water Quality Modeling Technical Support Center WASP7 Course TOXI-7 Biotic Solids Kinetic Data ConstantsConstants –Net biotic production rate, g dw/m 3 -day –Production temperature correction factor –Net detrital dissolution rate constant, day -1 –Dissolution temperature correction factor –Fraction ash free dry weight ParametersParameters –Production rate spatial scale multiplier –Dissolution rate spatial scale multiplier Time FunctionsTime Functions –Production rate time scale multiplier

6. Watershed & Water Quality Modeling Technical Support Center WASP7 Course TOXI-7 Biotic Solids Kinetic Data

7. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Solids Transport Processes

8. Watershed & Water Quality Modeling Technical Support Center WASP7 Course TOXI-7 Solids Transport Data SystemsSystems –Simulation option (simulate, constant, bypass) –Particulate transport field (Solids 1, Solids 2, Solids 3) –Particle density, g dw/mL (defaults to 2.65) –Maximum concentration, mg/L (reset to 3.0e6) FlowsFlows –Flow field use (check Solids 1, Solids 2, or Solids 3) –Scale and conversion factors (internal units, m/sec) –Flow function (e.g., insert settling, resuspension) –Segment pairs –Surface area, m 2 (under “fraction of flow”) –Settling or resuspension velocity versus time, m/sec

9. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Implementation – Systems Data If unchanged, particle density defaults to 2.65 g/mL If unchanged, maximum concentration for solids defaults to 3.0e+6 mg/L

10. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Implementation – Segment Data Input benthic volume, m 3 Input benthic depth, m Specify segment type Map bottom segments

11. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Implementation – Initial Conditions Silts, mg/LSands, mg/LBiotic Solids, mg/L

12. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Implementation – Flow Fields Point and press “Insert” twice

13. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Implementation – Settling Data days/second surface area, m 2 Settling velocity, m/day

14. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Solids Flow

15. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Solids Flow Data

16. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Bed Volume Option 2

17. Watershed & Water Quality Modeling Technical Support Center WASP7 Course g = acceleration of gravity = 981cm/sec 2  = absolute viscosity of water = 0.01 poise (g/cm 2 -sec) at 20 o C d p = particle diameter, mm fine sand = 0.05 – 0.2 silt = 0.002 – 0.05 clay= 0.001 – 0.002  D = probability of deposition upon contact with bed Settling & Deposition Velocities

18. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Stokes Settling Velocities, m/day Particle Diameter, mm Particle Density, g/cm 3 1.82.02.52.7 Fine Sand 0.2 0.2380470710800 0.05 0.0594120180200 Silt 94120180200 0.02 0.0215192832 0.01 0.013.84.77.18.0 0.005 0.0050.941.21.82.0 0.002 0.0020.150.190.280.32 Clay 0.150.190.280.32 0.001 0.0010.040.050.070.08

19. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Stream Sedimentation Regimes

20. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Benthic Parameter Equations

21. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Benthic Parameter Values n DDDD BBBB%water 0.12.432.53104 0.22.162.36109 0.31.892.19116 0.41.622.02125 0.51.351.85137 0.61.081.68156 0.70.811.51186 0.80.541.34248 0.90.271.17433 0.950.1351.085804 0.990.0271.0173767

22. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Pond Solids Example - External Parameters Surface Water Depth, 1 m Surface Area, 10 4 m 2 Surface Sediment, 2 cm Subsurface Sediment, 5 cm Water, 10 4 m 3 /day Silt, 60 kg/day Sand, 40 kg/day Inflow

23. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Pond Solids Example – Internal Parameters POM Dissolution, 0.004 day -1 Internal Biotic Production, 2 g/m 3 -day Sand, 1.0 g/mL, Silt and POM, 0 g/mL TSS (Silt and POM) Sand, 1.5 g/mL, Silt and POM, 0 g/mL Deposition, 0.5 m/day Resuspension, 0.05 mm/day

24. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Solids Kinetic Data

25. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Simulated Water Column Solids

26. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Simulated Surficial Benthic Solids

27. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Simulated Subsurface Benthic Solids

28. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Simulated Benthic Properties

29. Watershed & Water Quality Modeling Technical Support Center WASP7 Course Simulated Burial Rates