- Location
- Cumbria
Restricting the flow during severe weather will help flooding downstream. That is how a flood plain works ...but...the water has to get away again quickly to let the ground dry and act like a sponge in between more severe weather. If the drainage is not good enough then once reaching saturation point then flooding will return for the rest of the winter.
As the above example it is filling the bath to the brim then wondering why it overflows as soon as a tap is turned on.
Flood Plain, is generally close the sea level and floods when the incoming tide restricts the outflow. Our Victorian ancestors realised when flooding occurred, the solution was to to dig deep channels into the estuary, and dredge the narrow ones to improve flow and reduce back pressure. They also came up with sluice gates and non-return valves all based on volume, weight and flow. We think these are antiques that should be left to rust, fall apart and grow over.