lake erie csmi: assessment of nutrient/eutrophication dynamics in western lake erie
DESCRIPTION
Lake Erie CSMI: Assessment of Nutrient/Eutrophication Dynamics in Western Lake Erie . Project Description. N utrient loading to the western basin of Lake Erie has been recognized as a pivotal component in the re-occurrence of harmful and nuisance algal blooms. - PowerPoint PPT PresentationTRANSCRIPT
Lake Erie CSMI:Assessment of Nutrient/Eutrophication
Dynamics in Western Lake Erie
Nutrient loading to the western basin of Lake Erie has been recognized as a pivotal component in the re-occurrence of harmful and nuisance algal blooms.
Objective: Improve current understanding of the roles of external and internal nutrient loading, especially as influenced by weather forcing events.
Project includes: in situ experiments laboratory studies modeling
Outputs and Outcomes: Nutrient mass budgets for the western basin Internal nutrient cycling budgets Improved understanding of the causes of algal blooms Training future scientists
Project Description
Participants Lead Investigator: Lake Erie Commission (Gail Hesse) Science coordinator: Tom Bridgeman Education and Outreach Coordinators: Jeff Reutter (Ohio Sea
Grant), Jan Ciborowski (U. Windsor)
Participating investigators Case Western Reserve: Gerald Matisoff Limnotech: Joe DePinto, Ed Verhamme The Ohio State University: Justin Chaffin, Matt Thomas & divers NCWQR: Laura Johnson, Rem Confesor, Pete Richards USGS - Great Lakes Science Center: Mary Anne Evans & divers U. Toledo: Ricky Becker, Christine Mayer, Youngwoo Seo, Song Qian
Three Subprojects Sub-Project 1: Quantifying the internal nutrient loads to the
water column in the western basin Benthic (bottom) chamber studies Lab-based sediment core incubations
Subprojects Sub-Project 2: : Evaluating the important factors of river
hydrology and/or seasonality of loads to harmful algal bloom formation and dynamics in the western basin of Lake Erie, including the effects of storm and other meteorological/climatological forcing events
Quantify N and P loads using: Bayesian Hierarchical SPARROW model (BH-SPARROW) fit for the Great
Lakes region SWAT models calibrated for the Maumee and Sandusky River basins
2009, Corn
2010, soy
2011, corn
2012, soy
HRU boundary
Subprojects Sub-Project 3: Developing a nutrient mass budget for the
western basin of Lake Erie which includes sub-watersheds AND overall modeling synthesis
Apply the Western Lake Erie Ecosystem Model: Use input data generated by Subprojects 1 and 2 Output transport and fate of Phosphorus
Western Lake Erie Ecosystem Model (WLEEM)
Hydrodynamic Sub-Model
EFDC Model
Sediment Transport Sub-Model
“Simulating Waves Nearshore” (SWAN)
Wind-WaveSub-Model
Nutrient & Eutrophication
Sub-Model (A2EM)
Shear Stress
Hydrodynamics•Water level•Current velocity
Water Quality Linkage•Flows•Suspended solids•Settling/ resuspension rates
Wind-Waves•Significant height•Direction•Frequency
•Current velocity
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