Coyote Hills Historic Baylands:
Coyote Hills Historic Baylands
Coyote Hills Historic Tidal Channels:
Coyote Hills Historic Tidal Channels
Slide4:
Comparison of Tidal Channels Past andamp; Present
Existing Conditions:
Existing Conditions
Goals of Project :
Goals of Project 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
Slide7:
Alternative B
Alternative B:
Alternative B
Rebuild Levee for Channel Maintenance:
Rebuild Levee for Channel Maintenance Install Weir to maintain water level in P line to prevent cattail intrusion Levee
Additional Dredging(Quarry Parking Lot):
Additional Dredging (Quarry Parking Lot)
Slide11:
Conclusions:
Conclusions Build a system that attains:
- efficient flood control
- preferred wetland habitats
- sensitivity to Park users andamp; residents
Include multiple water management options
Develop a plan which is 'self-mitigating'
Minimize management time and costs