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Dayton Valley, NV
Carson River Bank Stabilization Monitoring
The Problem:
An 8-mile stretch of the Carson River in Dayton Valley experienced a series of bank failures. Property owners along the river faced significant yearly erosion of valuable agricultural lands and needed sustainable long-term solutions to reduce erosion caused by annual stream flows. Over several years, multiple stabilization projects were designed and constructed. Dayton Valley Conservation District (DVCD) tried various solutions on an informal basis but lacked a way to measure the effectiveness of any or all of these solutions.
The Solution:
An assessment of the utility of the applied approaches was carried out, and recommendations were provided for the appropriate application of bank-protection technology. The research included an aerial survey of the reach and the development of a hydraulic model to determine flow depths for different discharge rates and recurrence intervals.
The Results:
After completing a detailed five-year monitoring program, analysis of river morphology changes at approximately 40 cross sections at specific and repeatable locations was finalized. The final report, which documented the monitoring results and interpretation of measurements, was prepared and delivered to the client and other sponsoring agencies.