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Coyote Hills Historic Baylands

Coyote Hills Historic Baylands. Coyote Hills Historic Baylands. Coyote Hills Historic Tidal Channels. Comparison of Tidal Channels Past & Present. A. A. B. B. Existing Conditions. Move water on, off, and within project site Control levels and seasonal regimes

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Coyote Hills Historic Baylands

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  1. Coyote Hills Historic Baylands

  2. Coyote Hills Historic Baylands

  3. Coyote Hills Historic Tidal Channels

  4. Comparison of Tidal Channels Past & Present A A B B

  5. Existing Conditions

  6. Move water on, off, and within project site Control levels and seasonal regimes Create a variety of wetland types Reduce dominance of cattails Create adequate control structures Build in features (weirs, gates, gradient differences) Drain off interior wetlands seasonally Goals of Project

  7. Alternative B

  8. Alternative B

  9. Rebuild Levee for Channel Maintenance Install Weir to maintain water level in P line to prevent cattail intrusion Levee

  10. Additional Dredging(Quarry Parking Lot)

  11. FLOW Cut New Channels

  12. Conclusions • Build a system that attains: - efficient flood control - preferred wetland habitats - sensitivity to Park users & residents • Include multiple water management options • Develop a plan which is “self-mitigating” • Minimize management time and costs

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