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Temporary freshwater shortages

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Issue

Water shortage

There is a lack of adequate quantities of water of a sufficient quality.

In the greenhouse area in Nootdorp, there is often a water shortage in dry periods. To compensate, brackish water is extracted from the ground and desalinated. This is an expensive and often unsustainable solution.

Solution

ASR-Coastal

ASR-Coastal is an underground water storage technique where freshwater surpluses are purified and then stored underground in water containing layers, via vertical ground water wells. The freshwater forms a bubble in the surrounding brackish groundwater and water can be withdrawn for irrigation in dry periods.

Schematische weergave principe ASR-coastal

Pros

  • Due to the underground water storage, little space is used above ground.
  • Quality of water is maintained.
  • Water surpluses can be stored and used on site.
  • Prevents salinization.
  • The technology can be applied on a wide scale, for example in the city, in combination with drinking water and the industry.

Characteristics

  1. Topic Water and food
  2. Development state 8: System completed en qualified
  3. Setting type Agricultural area
  4. Water type Rainwater
  5. Project period 4-7 years