River Floodplain Maintenance-measures influencing roughness

The maintenance of rivers and floodplains can make an important contribution to flood protection.  Waters conservation used to be understood mainly as verification of fast discharges, which was achieved through regular mowing. Furthermore, the waterways had to be navigable and accordingly required water depths had to be accomplished through maintenance measures (e.g. digging). Today, sustainable waters conservation is used to guarantee requirements for flood protection and to support also a natural development of the water.

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