What is NFM?
Natural flood management (NFM) involves using natural processes to slow the rate of water runoff and increase the volume of water that the landscape can hold in order to reduce the risk of flooding. This catchment-based approach is an evolving area of work nationally, regionally and locally, and forms a discrete theme in the Calderdale Flood Action Plan with local organisations playing a key role in developing an evidence base to promote implementation on a wider scale.
The actions on the plan are being delivered by a range of partners in collaboration with various landowners, from Yorkshire Water and the National Trust to homeowners and farmers, to complement engineering works in the borough.
Actions in this theme are divided into four main areas of activity with the aim of managing the landscape to slow the flow of water.
- Understanding the relationships between catchment management and flooding.
- Promotion and delivery of Natural Flood Management (NFM) techniques which can contribute to flood mitigation and alleviation in the valley bottom.
- The engagement of catchment landowners and land managers to contribute to Natural Flood Management solutions.
- Influencing government policy (related to NFM and catchment management) and adequate regulation to secure necessary flood related interventions.
Measures include temporarily storing water, planting trees and changing the way farmland and moorland is managed so that it absorbs more water.
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