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DSD-INT 2018 Towards an integrated hydrodynamic, waterquality, and ecological modelling approach - Lake IJssel - Genseberger

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Presentation by Menno Genseberger, Deltares, The Netherlands, at the Delft3D - User Days (Day 4: Water quality and ecology), during Delft Software Days - Edition 2018. Thursday, 15 November 2018, Delft.

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DSD-INT 2018 Towards an integrated hydrodynamic, waterquality, and ecological modelling approach - Lake IJssel - Genseberger

  1. 1. Towards an integrated hydrodynamic, water quality, and ecological modelling approach for Lake IJssel and Lake Marken in the Netherlands Menno Genseberger and many others November 15th 2018, water quality and ecology, Delft3D - User Days
  2. 2. Lake IJssel and Lake Marken NorthSea clay 15-11-2018
  3. 3. example 1: operational forecasting of flooding Lake IJssel and Lake Marken FEWS system 15-11-2018
  4. 4. example 2: salt intrusion Lake IJssel 15-11-2018
  5. 5. example 3: ecological state Lake Marken 15-11-2018
  6. 6. measures in Lake Marken Hoornse Hop Marker Wadden 15-11-2018
  7. 7. Marker Wadden - ecological reclamation work in progress: building and learning 15-11-2018
  8. 8. earth observation 15-11-2018
  9. 9. modelling 15-11-2018
  10. 10. processes suspended sediment buffer layer fluffy layer fine sediment particles from fluffy layer resuspension of fine sediment particles flocculation water column sedimentation by gravity breaking of flocculent parts in finer parts by waves & currents 15-11-2018
  11. 11. ecological impact: coupled processes waves temperature, salinity, CO2, chemistry silt benthos fish birds discharges atmosphere nutrients zooplankton light currents ship movements algae vegetation sediment wind 15-11-2018
  12. 12. from chain of models towards coupled models version 1 silt model fetch length approach for wind-driven waves Delft3D-FLOW shallow water solver for wind-driven flow time series of measured wind Delft3D-WAQ advection diffusion reaction solver for resuspension, sediment transport, sedimentation, and light/transparency 15-11-2018
  13. 13. from chain of models towards coupled models version 2 silt model time series of measured wind Delft3D-FLOW shallow water solver for wind-driven flow HABITAT spatial analysis tool for ecological assessment to analyse availability and quality of habitats for individual or groups of species Delft3D-WAQ advection diffusion reaction solver for resuspension, sediment transport, sedimentation, light/transparency 15-11-2018
  14. 14. from chain of models towards coupled models operational forecasting of flooding river discharge downscaled wind & waterlevels wave height & period wind by downscaling waterlevel and depth averaged velocity in 2 submodels of shallow water solver Simona wave height and wave period in 4 submodels of third generation wave simulation software SWAN wave runup and wave over- topping per dike section in schematized dike profiles of PC overslag spatially varying windfields obtained from Hirlam model (KNMI) and downscaled models embedded in Delft-FEWS 15-11-2018
  15. 15. from chain of models towards coupled models integrated modelling approach balance for water-, chloride- and temperature (sources/sinks, evaporation, precipitation, solar radiation, …) spatially varying windfields obtained from Hirlam/ HARMONIE model (KNMI) (no downscaling) balance substances (sources/sinks) models and data embedded in Delft-FEWS HABITAT spatial analysis tool for ecological assessment to analyse availability and quality of habitats for individual or groups of species Delft3D-WAQ/D-Water Quality advection diffusion reaction solver for resuspension, sediment transport, sedimentation, light/transparency, nutrients, and algae/primary production Delft3D-FLOW/D-Flow FM shallow water solver for wind-driven flow, salinity, and temperature 15-11-2018
  16. 16. waterlevel & current data model link water & sub- stances balance light/water transparency data model resuspension data model link transport algae, nutrients, sediment data model link sedimentation data model link concentration in water column of algae, nutrients, sediment data model link enriched causal chain for integrated modelling approach data model link primary production data model link vegetatie […] data model link benthos data model link measures (a.o. islands, pits) waveheight & -period data model link bed shear stress data model linkwind data model link critical bed shear stress wave-current interactions data model link bed level & roughness data model link a.o. via flocculation of algae with sediment particles zooplankton data model link 15-11-2018
  17. 17. 50 m 200 m 400 m towards higher resolution with new shallow water solver 15-11-2018
  18. 18. towards higher resolution with new shallow water solver boundary fitted and incorporates important details of new land reclamation projects: for housing (IJburg) and nature (Marker Wadden) 15-11-2018
  19. 19. model with new shallow water solver: Lake Marken 15-11-2018
  20. 20. model with new shallow water solver: Lake Marken and Lake IJssel delta 15-11-2018
  21. 21. model with new shallow water solver: Lake Marken and Lake IJssel delta 15-11-2018
  22. 22. thank you for your attention! more information: general: Delft3D 4 Suite: Delft3D FM Suite: SWAN: HABITAT: Delft-FEWS platform: e-mail: Menno.Genseberger@deltares.nl check posters at Delta Plaza or take a copy 15-11-2018 www.deltares.nl oss.deltares.nl/web/delft3d oss.deltares.nl/web/delft3dfm swanmodel.sourceforge.net oss.deltares.nl/web/habitat oss.deltares.nl/web/delft-fews
  23. 23. Additional material 15-11-2018
  24. 24. calibration and validation with observational data 15-11-2018
  25. 25. calibration and validation with observational data 15-11-2018
  26. 26. calibration and validation with observational data 15-11-2018
  27. 27. (local) bathymetry 15-11-2018
  28. 28. animation of model results from shallow water solver Delft3D-FLOW – local scale near sluices 15-11-2018
  29. 29. animation of model results from shallow water solver Delft3D-FLOW – global scale 15-11-2018
  30. 30. efficient dredging navigation channel 15-11-2018

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