1. OHHI Beach Modeling Group Meeting - October 25, 2006

2. OHHI Beach Closure Modeling Group Meeting - Agenda 8:00 Introduction and review of modeling approach (Schwab) 8:30 Report on National Beach Conference and needs of beach managers (Sonia Joseph) 8:50 Report on Oracle web collaboration tools for Beach Modeling Group (Lang) 9:00 Summary of 2006 activities (Break from 9:45-10:00, Lunch 11:30-12:30) 1. Burns Ditch - Schwab/Beletsky/Lang - Whitman/Frick 2. Grand Haven/Grand River - McCormick - Roberts - Phani 3. Milwaukee Harbor area - Bravo/McLellan 4. Other - Chin Wu 1:45-2:00 Break 2:00 Discussion of plans for 2007 3:00 Wrap-up

3. OHHI Beach Closure Modeling Group Dima BeletskyUM Hector BravoUWM Shannon BriggsMDEQ Tom CroleyNOAA/GLERL Walter FrickUSEPA Sheridan HaackUSGS Greg LangNOAA/GLERL Sandra McLellanUWM Mike McCormickNOAA/GLERL Meredith NeversUSGS Mantha PhanikumarMSU Phil RobertsGTU Dave SchwabNOAA/GLERL Richard WhitmanUSGS Chin WuUW Stephen HendersonUM/CILER

4. CEGLHH - Beach Closure Forecasting Group Activity Table

5. GLCFS Boundary Conditions - Currents and temperatures - Waves - Meteorology Schwab Hydrology (Tributary Flow) - USGS Streamflow - GLERL Models Croley, Phanikumar Pathogen Loading - Tributaries - Shoreline NPS - Reuspension Haack, Whitman, Phanikumar, McLellan Nearshore Hydrodynamics and Waves - POMGL - NearCOM? Beletsky, Schwab, Bravo, Wu Bacterial Transport and Fate - Same grid as hydrodynamics? - Needs pathogen loading, near field mixing & hydrodynamics - Lagrangian/ Eulerian? Phanikumar, Roberts, Frick, Whitman Beach Closure Model - Probabilistic? - GUI/Communications Frick, Whitman Near Field Mixing - Needs loadings and ambient conditions Roberts, Frick Beach Closure Modeling Approach

6. GLERL/CILER 2006 Progress 1.Implemented and tested nested grid hydrodynamic model for Burns Ditch 2.Began development of nested grid hydrodynamic models for Milwaukee and Grand Haven 3.Conducted major field experiment at Grand Haven, Michigan

7. + Lakewide grid (POM model) Burns Ditch nested model grid Coupled models nested grids Lake Michigan Model Grids

8. Burns Ditch 100m computational grid 24 km 6 km

9. 2005 Burns Ditch current meter deployment SonTek ADP RDI ADCP

10. 2005 Burns Ditch current meter deployment

11. 2006 Burns Ditch current meter deployment

12. Burns Ditch nested grid model 2005 hindcast (JD 121-340) - Developed open boundary version of pomgl - Extracted b.c.’s from 2 km L. Michigan whole-lake simulation (surface meteorology, currents, water levels, temperatures) - Burns Ditch flow data obtained from USGS gage - 2-d (u,v substitution) - 3-d barotropic (inflow: substitution, outflow: radiation) - 3-d baroclinic (inflow: substitution, outflow:radiation, u,v,T) - Validation with adcp data

14. Burns Ditch nested grid model Surface water temperature

15. Nested grid model (3-d)RDI ADCP Longshore currents (18 June - 7 August, 2005)

16. Great Lakes Coastal Forecasting System - Operational Nowcast 20 day sample using vertically averaged currents

17. Grand Haven 100 m computational grid

18. Grand Haven SHOALS dataGrand Haven bathymetric grid

19. GLERL/CILER 2007 Plans -Operate Burns Ditch real-time nearshore circulation model -Continue Burns Ditch 2005 validation -Develop Grand Haven nested grid model -Incorporate bacterial dynamics model into nested grid model

20. CEGLHH - Beach Closure Forecasting Group Field Sites and Activities