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Development and validation of a hybrid physical-ecological model for Narragansett Bay: EcoGEM .

Development and validation of a hybrid physical-ecological model for Narragansett Bay: EcoGEM. Jamie Vaudrey Department of Marine Sciences, Uconn Manager’s Meeting, URI May 3, 2012. Acknowledgements. funded by NOAA CHRP 2005, 2011 collaborators. Christelle Balt Deanna Bergondo , PI

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Development and validation of a hybrid physical-ecological model for Narragansett Bay: EcoGEM .

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  1. Development and validation of a hybrid physical-ecological model for Narragansett Bay: EcoGEM. Jamie Vaudrey Department of Marine Sciences, Uconn Manager’s Meeting, URI May 3, 2012

  2. Acknowledgements funded by NOAA CHRP 2005, 2011 collaborators ChristelleBalt Deanna Bergondo, PI Mark Brush, PI Daniel Codiga, PI Christopher Deacutis, PI Wally Fulweiler Sue Kiernan, PI Chris Kincaid, PI James Kremer, PI Jason Krumholz Nicole LaSota David Murray Scott Nixon, PI Candace Oviatt, lead-PI Anna Pfeiffer-Herbert Warren Prell, PI Edwin Requintina Sr. Leslie Smith Heather Stoffel David Ullman, PI Jamie Vaudrey

  3. 15 Boxes Surface Element Bottom Element

  4. Phytoplankton O D 2 N P Processes of the model & basis for formulations: Temp, Light, Boundary Conditions Chl, N, P, Salinity O2 coupled stoichiometrically Productivity Physics Surface layer - - - - - - - - - Deep layer - - - - - - - - - Bottom sediment BZI mixing flushing Atmospheric Photic zone heterotrophy Flux to bottom deposition . ƒ[Chl] N ƒ(Chl2d) Land-use Benthic C Benthic heterotrophy N P Denitri- fication ƒ(OM,T) % . only 17 constants and coefficients

  5. Nutrient Multipliers

  6. Control Nutrient Input by Day

  7. Example of Model Scenario

  8. bold lines = 80% reduction in N and P input

  9. Future Work • add in 2007 • improve model interface • provide more detailed analysis on the skill of the model • conduct demonstration scenarios

  10. n =2301 n =98 n =1271 n =179 n =164 maximum

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