Roads Riparian Restoration: Where the water meets the road
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Presenter: Roy Jemison
Length: 2 Parts, 20 min 40 s
Topics:
Part 1
- Where Water Meets the Road
- Introduction
- Water Crossings
- Understanding the Water and Roads Interaction
- Presentation Objectives - Hydrology
- Objectives - Water Roads Meet
- Objectives - Potential Problems
- Objectives - Addressing Problems
- Hydrologic Cycle
- Precipitation
- While Falling
- At the Earths Surface
- Soil Surface Materials and Conditions
- Watershed Components
- Watershed Unit Divisions
- Watershed Surface Drainage
- Watershed Definitions
- Subsurface Materials and Conditions
- What Does Water Do Below Ground?
- Soil Water
- Vadose Water
- Water Table
- Ground Water
- Aquifers
- Unconfined Aquifers
- Confined Aquifers
- Perched Aquifers
- Groundwater Travel Times
- Riparian Hydrology
- Springs and Seeps
- Image of Seepage
- Complex Hillside Hydrology
- Ways in which Roads and Water Interact
- Direct Interception of Precipitation
- Interception of Surface and Subsurface Water
- Concentration of Flow
- Water Diversion
- Concept of Hydrologically Connected Roads
- Effects of Hydrologically Connected Roads
- Some Examples
- Examples of Problems Where Roads Meet Water
- Road Encroachment on Floodplain
- Road Encroachment on River
- Unpaved Road
Part 2
- Unpaved Roads
- Undersized Culverts
- Gully
- Restriction of Channel by Road
- Steep Eroding Road Cut
- Unpaved Boat Landing
- Beaver Ponds
- Dying Trees
- Vented Ford and Culvert Problems
- Potential Erosion from Wildfire
- Ways to Address the Problems
- Variety of Techniques That Can Be Employed
- Large Culvert Arrays
- Culvert Array
- Bottomless Arch Culvert
- Permeable Fill Road Crossing
- Permeable Fill Road Prism
- Guardrails and Paved Roads
- Pedestrian Bridge
- Low-Water Crossing
- Raised Culverts
- Chip Sealed Roads
- Paved Approaches and Dip
- Curbs and Filter Fence
- Paved Parking and Boat Ramp
- Large Woody Debris
- Small Woody Debris
- Woody Debris in Stream Channel
- Crib Wall
- Decommisioned Road
- Benefits After Better Management
- Examples
- Conclusions