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Channel and Habitat Monitoring in the Countyline Reach of the Lower White River

Channel and Habitat Monitoring in the Countyline Reach of the Lower White River. Presented by Sarah McCarthy and Terry Butler River and Floodplain Management Section King County Water and Land Resources Division November 01, 2012 King County Science Seminar. Monitoring Questions.

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Channel and Habitat Monitoring in the Countyline Reach of the Lower White River

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  1. Channel and Habitat Monitoring in the Countyline Reach of the Lower White River Presented by Sarah McCarthy and Terry Butler River and Floodplain Management Section King County Water and Land Resources Division November 01, 2012 King County Science Seminar

  2. Monitoring Questions Implementation Monitoring Project Effectiveness Monitoring Have the projects: Met the design specifications? Improved riverine processes and functions? Reduced or maintained current levels of flood risk? Reduced the need for remedial actions?

  3. Project Effectiveness Monitoring Categories Channel Dynamics Aquatic Habitat Riparian Processes Fish & Amphibians Flood Risk

  4. Aquatic Habitat Monitoring

  5. Aquatic Habitat Monitoring

  6. Fish Monitoring

  7. White River Setting Green R MMD White R White River Alluvial Fan County- line Reach Buckley Countyline Reach Auburn Source: Chris Brummer

  8. Channel Dynamics

  9. 1914 Historical Channels 1931-2000; 2010 Aerial Countyline Channel 1914 to Present

  10. Predicted Left Bank Post-Project Channel and Floodplain Evolution

  11. Channel Dynamics

  12. LiDAR Imagery, Cross Sections Change in Gravel Bar Elevations (2007-09) by Comparison of DEMs

  13. Channel Dynamics

  14. Substrate Particle Size Distributions White RM 0.0 to 10.6, including Countyline Reach. 2009 Data Source: Czuba et al. (2010)

  15. Flood Risk

  16. Cross Section Data: Volumes, Rates and Elevation Calculations Example Surveyed Cross Section in Countyline Reach Reach-Averaged Rate of Change in Riverbed Elevation (feet/year) Change in Water Surface Elevation, 2009 to 2011, at 5000 cfs Hydraulic Modeling In 1-D HEC-RAS

  17. Monitoring Schedule

  18. Acknowledgements Monitoring Plan Authors: Sarah McCarthy, Josh Latterell, Terry Butler, Jo Wilhelm, Hans Berge, Chris Brummer Data Collection and Analysis: Kate Akyuz, Josh Latterell, Dan Lantz, Chris Gregersen, Chris Knutson, Jim Lissa, Jo Wilhelm, Ray Timm, Kyle Comanor, Fred Lott, Bob Black (USGS), Steve Damm (USFWS), Andrew Berger (Puyallup Tribe)

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