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An Oregon Wetland That Saved A Highway From Flooding

Last summer, highway officials in Oregon teamed up with a local landowner to use a nearby wetland as a natural sponge for floodwater. By removing a mile-long wall of dirt, they freed the river to spread out into its natural flood plain. Since then, even when the Necanicum has over-topped its banks, it hasn’t sent its waters to flood the highway. It’s a big change from how things used to be.
READ MORE AT:
http://ijpr.org/post/wetland-saved-highway-101-flooding?utm_referrer=http%3A//m.ijpr.org/%3Futm_referrer%3D%23mobile/10420

Overbank Flooding Event, Pancho Mitigation Bank

Overbank sedimentation during flood events represents an important component of stream restoration success. In addition to its importance for floodplain development, overbank deposition of fine sediment frequently results in a significant reduction of the suspended sediment load transported through a river system to the catchment outlet.

For details on Restoration Systems’ Pancho Wetland, Stream and Nutrient Mitigation Bank in the Neuse River Basin (now in Monitoring Year 2), go to
https://www.restorationsystems.com/projects/pancho-stream-wetland-nutrient-mitigation-bank/