To increase the knowledge on heavy rain risk management different forms of interactive events and participation formats can be organized. The objectives and size can range from information (big or small events) to trainings and even individual consulting services. Participation formats for active involvement shall be included. An event or a participatory process could focus…
Infiltration belts should be projected on slopes in the direction of a contour. In the vicinity of reservoirs, watercourses and built-up areas they protect them against penetration with eroded material. Buffer strips offer good conditions for effective water infiltration and slowing of surface runoff. Hedges across long, steep slopes intercept and slow surface run-off water…
Infiltration cells/trenches and gravel drains (with an overlying swale, as deep bed or tree planting pit) reduce runoff rates and volumes by retention/detention and therefore can help replenish groundwater and preserve base flow in rivers. They treat runoff by filtration through the substrate in the trench and subsequently through soil. They are effective at removing…
Permeable paving is designed to allow rainwater to infiltrate through the surface, either into underlying layers (soils and aquifers), or be stored below ground and released at a controlled rate to surface water. Sealed surfaces can be replaced by different materials, such as gravel turf, grass pavers, concrete pavers with drainage or porous concrete. This…
The measures reside in terrain modifications of channels and floodplain to increase their ability to slow down the runoff and to create inundation zones so that potential consequences of surface runoff would be reduced. They can include individual modifications that are generally termed “restoration”. Specifically, modification of the channel’s course, branching of streams, channel stabilisation,…
Flood early warning systems – if existing for the area – provide information that allow the actuation of emergency action (e.g. set up of a command unit, observation of risk areas) prior to the event and before damages occur. However, reduction of losses is possible only if early warning information are interpreted and assessed correctly,…
