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Inspiration Card
Nature Based Solution
Constructed Wetlands & Built Structures for Water Management

N17 Underground Water Storage

Copyright
Zollhallen Plaza, Freiburg
QR Code for https://unalab.eu/en/node/182
Challenges
Climate Resilience Water Management Natural and Climate Hazards Biodiversity Enhancement Air Quality Health and Well-being Social Justice and Social Cohesion
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Description

Underground water retention systems retain storm water from heavy precipitation events and store that water for nearby irrigation purposes. They can be constructed below open spaces such as parks, sports fields or public squares, and are usually topped with permeable pavements or soil substrates with vegetation that allow water to enter the system. Underground water retention systems can be incorporated into a multifunctional design, while simultaneously supporting cyclical water management.  

Conditions for Implementation
  • Space for underground storage needs to be excavated, therefore they can be difficult to incorporate into already existing infrastructure
  • Financial investment
  • Geological knowledge of implementation area
Similar Terminology
Underground water retention basin
Performance
    Cooling Service Transpiration ○ ○ ○
    Shading ○ ○ ○
    Evaporation ○ ○ ○
    Building (Insulation) ○ ○ ○
    Reflection (Albedo) ○ ○ ○
    Surface Water Regulation Water Conveyance ○ ○ ○
    Water Infiltration ● ● ○
    Water Retention ● ○ ○
    Water Storage ● ○ ○
    Water Reuse ● ● ○
    Water Purification Water Filtering ● ○ ○
    Water Bio-remediation ○ ○ ○
    Air Purification and Noise Reduction Deposition ○ ○ ○
    Air Biofiltration ○ ○ ○
    Noise Reduction ○ ○ ○
    Biodiversity Habitat Provision ● ○ ○
    Connectivity ● ○ ○
    Socio-Cultural Services Beauty / Appearance ○ ○ ○
    Usability / Functionality ● ○ ○
    Social Interaction ○ ○ ○
    Education ○ ○ ○
    Provisioning Service Food / Energy / Material ○ ○ ○
    Climate Regulation CO2 Sequestration ○ ○ ○