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Hydrodynamic Modeling

Hydrodynamic Modeling. Summary: Still working on it. Hydrodynamic Modeling. Dave Schwab. Hydrodynamic Modeling Team. Meteorology/ Climatology.

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Hydrodynamic Modeling

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  1. Hydrodynamic Modeling Summary: Still working on it Hydrodynamic Modeling Dave Schwab

  2. Hydrodynamic Modeling Team Meteorology/ Climatology • Develops, tests, integrates, and implements numerical models of lake circulation, water levels, waves, and lake thermal structure to understand and predict the effects of the physical environment on the ecosystem Ice Integrated Ecological Modeling Framework Hydrodynamics Hydrology Ecology

  3. Key Scientific Questions • How can we better characterize the exchange of momentum and heat between the atmosphere and the lake because these are the primary forces that determine lake circulation?

  4. What are the critical factors that limit our ability to accurately predict physical phenomena in the lakes? Measured (black) and predicted (red) currents in Lake St. Clair

  5. What are the appropriate linkages between physics and biology for particular ecological processes? 7-day forecast for location of Microcystis bloom in Lake Erie Sept. 13, 2010

  6. How do we effectively provide information from hydrodynamic models to our collaborators, users, and constituents?

  7. Hydrodynamics Modeling Team Scales of Application Years Model-Based Ecosystem Forecasts Climate Impacts Ecosystem Change Exposure Risk Hydrodynamic and Ice Models Seasons Habitat Migration Species Abundance Invasive Spread Months Frequency of Forecast Scenario-Based Forecasts Resource Recovery Disease Transmission Weeks Hypoxia Formation Larval Pathways Trajectory-Based Forecasts Spill Response Days Beach Advisories Spatial Extent of Forecast Local Regional Global

  8. Research Leading to GLCFS

  9. GLCFS Transition to Operations CO-OPS 1991 / 2003 GLERL Great Lakes Coastal Forecasting System National Digital Forecast Database

  10. Huron-Erie Connecting Waterways Forecasting System • Finite Volume Coastal Ocean Model unstructured grid • Nowcasts / forecasts of hourly water levels and currents • Link model with output from GLCFS • Updated every 6 hrs Lake St. Clair

  11. High Resolution Hydrodynamic Models Grid Nesting and Unstructured Grids

  12. Experimental Validation of Model Simulations: Grand River Plume June 2, 2007 June 10, 2007 June 6, 2007 June 20, 2007

  13. Hydrodynamic Modeling - Visualization

  14. Hydrodynamic Modeling - Customers • NOAA NWS Great Lakes Offices - Marine forecasts • NOAA NWS - North Central River Forecast Center - Water Levels • NOAA NOS CO-OPS - Coastal forecasts • NOAA NOS/OHHII - Harmful Algal Blooms in Lake Erie • National Ice Center - Water temperature and ice • USCG SAR - Search and rescue planning • NOAA HAZMAT - Spill response • U.S. Geological Survey - Spill Response • Northeast Ohio Regional Sewer District - Water temperature • Niagara River Control Center - Water Levels • UW-Milwaukee/SUNY Buffalo - Nested Grid Modeling • Recreational users: sport fishing, boating, swimming • In addition, dozens of academic, private sector, and other public agencies make requests for various archived products from GLCFS

  15. Questions?

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