Intercepting runoff on (sunken) roads
Water flowing (far too quickly) down a steeply sloping road can be channelled towards the countryside or the verge. There it can infiltrate. This reduces the likelihood of a high-water peak in the stream.
Natural solutions
- Developing natural grasslands
- Developing natural forests
- Food forest
- Making space for beaver activity
- Making room for natural floodplains
- Making room for meandering
- Raising the stream bed
- Lowering banks
- Removing drainage systems
- Planting scrub hedges and copses
- Standard orchard
- Wide infiltration strip
- Grafts
- Swales
- Keylines
- Converting (maize) fields on slopes into grassland or woodland
- Wadi
- Intercepting runoff on (sunken) roads