2023 Early Hearing Detection & Intervention Conference

March 5-7, 2023 • Cincinnati, OH

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5/21/2019 | 9:15 AM - 9:30 AM | WORKING TO ACHIEVE A CONSENSUS STRATEGY FOR SEDIMENT REDUCTION IN THE MINNESOTA RIVER BASIN: INCORPORATING STAKEHOLDERS INTO THE MODELING PROCESS | 251 DE

WORKING TO ACHIEVE A CONSENSUS STRATEGY FOR SEDIMENT REDUCTION IN THE MINNESOTA RIVER BASIN: INCORPORATING STAKEHOLDERS INTO THE MODELING PROCESS

The Minnesota River drains southern Minnesota, providing a disproportionate load of sediment and nutrients to the upper Mississippi River. Over 90% of the watershed is agricultural, thus the farming community needs to be part of any solution to improve water quality. In 2015, we began the Collaborative for Sediment Source Reduction (CSSR), a group of stakeholders (farmers; agricultural interest groups; state, local, and federal agency staff; researchers; non-profits) that met semi-annually to participate in research discussions and provide feedback for a model to assess which management options provide the most cost-effective approach to lowering suspended sediment loads. Through the process, we collaboratively developed MOSM (Management Options Simulation Model), a data-driven model that calculates erosion rates on fields, routes sediment and water downstream, and allows for management options to reduce erosion and/or sediment delivery rates. MOSM runs quickly, allowing for scenario testing in real-time. The final two (of ten) stakeholder meetings involved using MOSM together to develop a consensus strategy for reducing sediment loading to the MinnesotaRiver. We report here on the method for developing shared understanding in a complex watershed and its utility for tackling complex freshwater problems.

Modeling
Management
Watershed

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Presenters/Authors

Karen Gran (), University of Minnesota Duluth, kgran@d.umn.edu;