Quantifying the environmental sustainability of stormwater management systems

Sarah Brudler, Karsten Arnbjerg-Nielsen, Michael Zwicky Hauschild, Christian Ammitsøe, Justine Hénonin, Martin Rygaard

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

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Green infrastructure is often assumed to be environmentally beneficial compared to traditional subsurface systems. We tested this assumption by 1) developing a life cycle assessment based method to systematically and holistically quantify the environmental damage and benefit of stormwater management systems, 2) applying it to a case study where we compared two subsurface, and two green infrastructure based systems for the same urban catchment. We showed that both processes associated with the implementation, operation and decommissioning of infrastructure, and discharges of polluted stormwater cause significant environmental damage. The results of the case study highlighted a trade-off between reduced ecosystem damage through advanced treatment, and less damage to resource availability through low-tech, green solutions. The method provided the basis for a simplified tool which allows including environmental sustainability assessment into the planning of stormwater management systems.
Original languageEnglish
Title of host publicationUrban Water Planning and technologies for sustainable management - programme and abstracts
Place of PublicationLyon, France
Publication date2019
ISBN (Electronic)978-2-917199-09-1
Publication statusPublished - 2019
Event10th international conference on Novatech - Lyon, France
Duration: 1 Jul 20195 Jul 2019
Conference number: 10


Conference10th international conference on Novatech


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