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Coupling groundwater and ecological models (MIKE-SHE & ECO Lab) - Roberta-Serena Blasone (DHI)

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Coupling groundwater and ecological models (MIKE-SHE & ECO Lab) - Roberta-Serena Blasone (DHI)

Delivered at: -

Groundwater Modelling Workshop 2014:
Pushing the Boundaries – New Issues and Applications in Groundwater Modelling
13 May 2014 - Birmingham, UK

Published in: Science
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Coupling groundwater and ecological models (MIKE-SHE & ECO Lab) - Roberta-Serena Blasone (DHI)

  1. 1. Coupling groundwater and ecological models (MIKE-SHE & ECO Lab) Roberta-Serena Blasone (DHI)
  2. 2. © DHI •Integrated groundwater and surface water modelling •ECO Lab •Comparison of ECO Lab results with analytical solutions and laboratory experiments •Integrated flow, temperature and ecological modelling, Silver Creek, Idaho, USA •Nutrient removal in wetland environment, Odense, DK (ongoing) •Nuclear waste site risk assessment, SE (future) Agenda
  3. 3. 1 Integrated modelling and ECO Lab © DHI
  4. 4. © DHI
  5. 5. MIKE 21 MIKE 11 MIKE URBAN MIKE SHE LITPACK MIKE 21 © DHI
  6. 6. Surface water and groundwater interaction © DHI MIKE SHE - MIKE 11 coupling
  7. 7. What is ECO Lab? •Process equation solver for coupled ordinary differential equations •Designed to describe processes of chemistry, ecology etc. •It calculates the rate of change of any type of state variable given any number of related variables, processes and forcing •Integrated with DHI’s hydrodynamic models ECO Lab Chemistry Physics Biology Ecology MIKE 21 MIKE 11 MIKE URBAN MIKE SHE LITPACK © DHI
  8. 8. Eco-hydrological modelling at catchment scale MIKE SHE/MIKE 11 ECOLAB Hydrological processes •Water levels •Fluxes •….. Advection Dispersion •Concentration & fluxes of solutes •Temperature •….. Water Quality processes •Concentration & fluxes (nutrients, pesticides, organic & inorganic chemicals) Ecological and Chemical processes •Status indicators •Chemical reactions •Population, growth, health of species… © DHI
  9. 9. 2 Comparison of ECO Lab results with analytical solutions and laboratory experiments © DHI
  10. 10. Multi-species transport - Groundwater © DHI Nitrate -> Nitrite -> Ammonia or N PCE -> TCE -> DCE ->VD Sp 1. Adsorb + Decay Sp 2. Decay Sp 3. Decay Sun et al., 1999 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 5 10 15 20 25 30 35 40 Relative concentration Distance [cm] Analytical solution - C1 Analytical solution - C2 Analytical solution - C3 MIKE SHE + ECOLab - C1 MIKE SHE + ECOLab - C2 MIKE SHE + ECOLab - C3 100 hours
  11. 11. Model validation – analytical solutions © DHI 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 10 20 30 40 Relative concentration Distance [cm] 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 10 20 30 40 Relative concentration Distance [cm] Analytical solution - C1 Analytical solution - C2 Analytical solution - C3 MIKE SHE + ECOLab - C1 MIKE SHE + ECOLab - C2 MIKE SHE + ECOLab - C3 50 hours 400 hours Sun et al., 1999
  12. 12. Pesticide reactive transport – soil columns © DHI 0 0.2 0.4 0.6 0.8 1 0 20 40 60 80 100 120 Relative concentration days Tuxen et al. (2000) - Isoproturon B II Tuxen et al. (2000) - Bromide B II MIKE SHE + ECOLab - Isoproturon B II MIKE SHE + ECOLab - Bromide B II Bromide Isoproturon Tuxen et al., 2000
  13. 13. Model validation - Pesticides © DHI 0.0 0.2 0.4 0.6 0.8 1.0 0 20 40 60 80 100 120 Relative concentration days Tuxen et al. (2000) - MCPP B II Tuxen et al. (2000) - Bromide B II MIKE SHE + ECOLab - MCPP B II MIKE SHE + ECOLab - MCPP B II (new calibration) MIKE SHE + ECOLab - Bromide B II 0 0.2 0.4 0.6 0.8 1 0 20 40 60 80 100 120 Relative concentration days Tuxen et al (2000) - Dichlorprop B I Tuxen et al. (2000) - Bromide B I MIKE SHE + ECOLab - Dichlorprop B I MIKE SHE + ECOLab - Dichlorprop B I (new calibration) MIKE SHE + ECOLab - Bromide B I MCPP Dichloroprop
  14. 14. 3 Integrated flow, temperature and ecological modelling Silver Creek, Idaho, USA © DHI
  15. 15. Silver Creek Ecology © DHI Silver Creek is abundant in wildlife and a highly valued trout habitat Brown Trout and Rainbow Trout Numbers
  16. 16. Silver Creek, Idaho © DHI Woor River Valley
  17. 17. Lower Wood River Valley © DHI Semi-arid climate with low precipitation and high evaporation. Approximately 60% of the lower valley is cultivatated, of which 80% is irrigated.
  18. 18. Flow Model (MIKE SHE-MIKE 11) © DHI 300 m cell size Other model components •Irrigation: surface and groundwater abstractions •Drainage: agricultural runoff Objectives •Integrated eco-hydrological model •Quantify changes in ecological status •Development of land management scenarios Scenarios •Reduction in GW abstraction 10%, 20%, 30% •Change of crops •Natural and past climate scenarios
  19. 19. Flow Calibration © DHI Picabo St @ Silver Creek Stanton Crossing St @ Big Wood River
  20. 20. Groundwater Levels © DHI
  21. 21. Stream Temperature model © DHI
  22. 22. Temperature Calibration © DHI 0 5 10 15 20 25 1/09 2/09 3/09 4/09 5/09 6/09 7/09 8/09 9/09 10/09 11/09 Temperature (°C) observed simulated
  23. 23. Temperature simulations © DHI
  24. 24. Bioenergetic model © DHI Ecological indicator Model parameters EI = Min (1, AGSX / AGNS) Model equations
  25. 25. Temperature and ecological indicator © DHI Ecological indicator Surface water temperature
  26. 26. Temperature and ecological indicator © DHI Ecological indicator Surface water temperature
  27. 27. 4 Nutrient removal in wetland environment, Odense, DK (ongoing) © DHI
  28. 28. Brynemade, Odense River © DHI 25 m 12 m 6m
  29. 29. Brynemade, Odense River © DHI
  30. 30. Flooding behaviour © DHI
  31. 31. Groundwater level results © DHI
  32. 32. Water balance © DHI
  33. 33. Brynemade, Odense River © DHI To do next: •calculate the N contribute of the different sources to the river •model the N transformation processes •model how the biota reacts to the N in the environment •investigating potential changes to wetland design and characteristics in order to increase the nutrient retention capacity Integrated GW + SW modelling ECO Lab
  34. 34. 5 Nuclear waste site risk assessment, SE (future) © DHI
  35. 35. Nuclear waste site risk assessment © DHI •Fate of radioactive contaminants in groundwater and surface water •Surface water biota affected by radioactive contaminants
  36. 36. Thank you © DHI
  37. 37. © DHI •Butts et al (2012). MIKE SHE-ECO Lab – An integrated catchment scale eco- hydrological modelling tool, XIX International Conference on Water Resources CMWR 2012, University of Illinois at Urbana-Champaign, June 2012 •Loinaz et al (2014). Modeling ecohydrological impacts of land management and water use in the Silver Creek basin, Idaho, J. Geophys. Res. Biogeosci., 119, 487–507, doi:10.1002/2012JG002133 •Loinaz et al (2013). Integrated flow and temperature modeling at the catchment scale, 495, 238–251, doi:10.1016/j.bbr.2011.03.031 •Von Christierson et al., Modelling nutrient removal from a restored lowland wetland using an integrated dynamic surface water-groundwater flow and transport modelling tool (in preparation) References

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