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EPA-GMPO: Evaluation of innovative, low-technology water management structures as important tools in nutrient reduction strategies

Robert Kröger, Dan Prevost

Research Associate:  Beth Poganski

This project is to be started in August 2010 and is expected to be completed in July 2013. This project operates in close collaboration with the MASGC project as this is the watershed implementation of the associated best management practices, how well they work, how do they work in series or in concert, and how can be alter them through adaptive management to make them operate more effectively for nutrient reductions.

This project is being implemented in the Upper Yazoo and Big sunflower HUC 8 watersheds, priority watershed outlined in the MRBl by NRCS and USDA

This projects main objective is to evaluate at a watershed and BMP scale, water control structures such as slotted pipes, and low-grade weirs as low-technology, innovative drainage management structures in primary aquatic systems associated with agriculture for nutrient reductions to downstream receiving systems. Implementation of drainage structures, monitoring of nutrient loads /concentrations and biogeochemical circumstances will highlight the effectiveness of structures for water quality improvement, and demonstrate how local innovative nutrient reduction strategies will decrease source nutrient contributions to coastal ecosystems.

The goal of this proposal is to evaluate the contribution slotted pipes, and low-grade weirs, innovative, cost effective drainage management techniques, play in reducing source nutrient concentrations and loads to coastal ecosystems. The rationale that underlies this proposed research program is that understanding the intricate complexity between hydrology, nitrogen and phosphorus inputs and dynamics within managed aquatic ecosystems within the agricultural landscape is expected to lead to new knowledge of the contribution innovative drainage management systems make to nutrient loads to downstream aquatic ecosystems (i.e., coastal ecosystems). This, in turn, is expected to lead to new models, adaptive management of drainage structures and better strategies for preventing nutrient contamination and impairment from source production agriculture to receiving coastal systems. Innovative drainage management techniques addresses specifically the action in the Gulf of Mexico Alliance Governors'' Action Plan that aims to reduce nutrient inputs to sustain productive Gulf aquatic ecosystems. This project has successfully been completed. The final project report has been sent to Delta F.A.R.M and MDEQ, and a manuscript has been successfully published.

Check out these links about this project


Gulf of Mexico Research

Completed Projects