The Biology of Culvert Barriers: Regional Effectiveness Monitoring of Existing and Proposed Fish Design Guidelines

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Presenter: Mike Love
Length: 2 parts, 18 min and 55 s

View: Part 1 | Part 2

       Topics:

       Part 1

• Purpose as Stated by NOAA Fisheries
• Questions to Answer
• Fish Passage Flows
• Fish Passage Design Flows
• Little River Near Trinidad
• Study Structure
• Observations of Adult Leaps at Sullivan Gulch
• Observations of Juvenile Leaps at Sullivan Gulch
• Remote Monitoring
• Study Years
• Fish Observations at Outlets - 94 percent
• Fish Observations at Outlets - 59 percent
• Fish Observations at Outlets - 89 percent juvis

       Part 2

• How Design Flow Selection Affects Migration Delay
• Minimum Passage Depth (MPD)
• Leaping Success vs Leap Height
• Velocity Distributions with Culverts
• Velocity Reduction Factors
• Inlet Cross-Section
• Some Conclusions

These presentations were produced by Michael J. Furniss and Jeff Guntle, of the US Forest Service, PNW and PSW Research Stations.
US Forest Service, Pacific Northwest Research Station, Pacific Southwest Research Station, Stream Systems Technology Center