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Product ID: 399135EAU
 
Credit & Course Provided by:

Stream and Bank Stabilization, Best Practices and Challenges

OnDemand Webinar (85 minutes)

Understand the processes driving stream and bank instability and learn the techniques used to help alleviate stressed environments.Our nation's rivers and streams have felt the pressure of colonization and development for the past several hundred years. These stressors along with historical stabilization techniques negatively affect stream processes and have thrown some of our most precious resources out of equilibrium. Mass wasting and sedimentation, a loss of aquatic habitat, threatened infrastructure and floodplain encroachments are common throughout riverine systems across the globe, and affect the water bodies they feed. This topic will educate you on recognizing some of the processes driving stream and bank instability and provide the background on techniques currently used to help alleviate stressed environments. Discussion on construction considerations for these practices will also be included within this topic. Additionally, a portion of this presentation will be focused on how stream stabilization has been used recently to help improve water quality to receiving waters, and consideration as to its application when meeting local and state Total Maximum Daily Load (TMDL) requirements for sediment and nutrient loading.

Authors

Mike Adams, Stantec Consulting Services Inc. Josh Running, Stantec Consulting Services Inc.

Agenda

Stream Assessment and Geomorphic Principals

• Geomorphic Assessment of Processes and Form

• Sediment Transport Dynamics

• Identifying Channel Instabilities and the Driving Processes

• BANCS Model for Predicting Sediment Contributions From Bank Erosion

Stream Stabilization Techniques and Application

• Setting Goals and Objectives

• Addressing Stream Processes and Functions in Design

• Examples of Commonly Used Techniques, Structures and Principles

• Urban vs. Rural Project Considerations

Benefits of Stable Stream Reaches

• Habitat and Floodwater Attenuation

• Stream Bank Stabilization as a Water Quality Benefit for Downstream Resources (Nutrient/Sediment Benefits)

• Community Outreach and Ownership