Waterproblems find their solutions
An increased flood hazard because the flood defence does not meet the requirements and/or due to extreme conditions.
At the last safety assessment, the seadyke between Eemshaven and Delfzijl did not meat the standards. Due to subsidence, climate change, and earthquakes caused by gas extraction, the sea dyke should be reinforsed with increase speed.
With the Double Dyke, a second dyke is placed behind the first. Together, these two dykes ensure flood protection. The second dyke is constructed over a length of 2.7 km, creating a 55 ha zone between the two dykes. When the tide rises, sludge-rich seawater flows into the area between the dykes, creating opportunities for innovative agriculture, such as saline agriculture, and nature development.
- The remaining sludge will slowly raise the area between the dykes, having a positive effect on safety, and counteracting subsidence caused by gas extractions.
- The second defence needs to be less robust that the seaward barrier.
- The existing barrier does not need to be raised.
- The reinforcement is less demanding than traditional reinforcements.
- The sludge problem in the Eems-Dollard reduces due to the captured sludge.
- The collected sludge may be used in future reinforcements.
- Water safety is combined with adding value to low-lying agricultural area.
- Topic Water safety
- Development state 3: Analytical and experimental critical function and/or characteristic proof of concept
- Setting type Coastal area
- Water type Sea water
- Organisation Flood Protection Program (HWBP)
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