71st SWCS International Annual Conference July 24-27, 2016 Louisville, KY

1. Flow Paths & BMP
Targeting & Tailoring
Joe Magner,
Dept of Bioproducts and Biosystems Engineering
University of Minnesota

2. ACPF estimates water table depth…

14. Wood Chip Bioreactor

15. Adding the Wood Chips

17. Outlet Catchment Basin

22. Riparian Exchange Zones
 Locations that allow stream/ditch water to
move out of the channel and
 Collect upland water before it enters directly
into a channel.
 HOLD Water for hours not minutes
 Re-direct water movement Up & Down
 Biological & Chemical Transformation

23. What is an Oxbow
 Old part of stream channel
 Predominate in non productive areas
 Extended residence time
 Off Channel Storage
 Non-productive areas
 Additionally nutrient reduction
23
(BCC)

24. Stream Diversions:
Oxbow Wetland Treatment
Stream Channel Diversion

25. 25
Additional 15,000 feet
of storage

35. Tile Outlet Options
Cover crop
3‐chambered drain
Peat gravel and dry peat
Filter fabric and rip‐rap
Monitoring wells Woodchip trench
Triangular dike
Natural
channel
Both Surface and Subsurface Pathways