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Management of Urban Waters with Nature-Based Solutions in Circular Cities—Exemplified through Seven Urban Circularity Challenges
Abstract
Nature-Based Solutions (NBS) have been proven to effectively mitigate and solve resource depletion and climate-related challenges in urban areas. The COST (Cooperation in Science and Technology) Action CA17133 entitled “Implementing nature-based solutions (NBS) for building a resourceful circular city” has established seven urban circularity challenges (UCC) that can be addressed effectively with NBS. This paper presents the outcomes of five elucidation workshops with more than 20 European experts from different backgrounds. These international workshops were used to examine the effectiveness of NBS to address UCC and foster NBS implementation towards circular urban water management. A major outcome was the identification of the two most relevant challenges for water resources in urban areas: ‘Restoring and maintaining the water cycle’ (UCC1) and ‘Water and waste treatment, recovery, and reuse’ (UCC2). s Moreover, significant synergies with ‘Nutrient recovery and reuse’, ‘Material recovery and reuse’, ‘Food and biomass production’, ‘Energy efficiency and recovery’, and ‘Building system recovery’ were identified. Additionally, the paper presents real-life case studies to demonstrate how different NBS and supporting units can contribute to the UCC. Finally, a case-based semi-quantitative assessment of the presented NBS was performed. Most notably, this paper identifies the most typically employed NBS that enable processes for UCC1 and UCC2. While current consensus is well established by experts in individual NBS, we presently highlight the potential to address UCC by combining different NBS and synergize enabling processes. This study presents a new paradigm and aims to enhance awareness on the ability of NBS to solve multiple urban circularity issues.
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Authors (23)
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Hasan Volkan Oral
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Matej Radinja
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Anacleto Rizzo
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Katharina Kearney
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Theis Raaschou Andersen
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Pawel Krzeminski
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Gianluigi Buttiglieri
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Derya Ayral-Cinar
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Joaquim Comas
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Marco Hartl
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David Christian Finger
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Jan K. Kazak
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Harri Mattila
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Patrícia Vieira
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Patrizia Piro
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Stefania Anna Palermo
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Michele Turco
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Behrouz Pirouz
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Alexandros Stefanakis
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Martin Regelsberger
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Nadia Ursino
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Pedro Carvalho
Cite as
Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/w13233334
- License
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Keywords
Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
Water
no. 13,
ISSN: 2073-4441 - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Oral H. V., Radinja M., Rizzo A., Kearney K., Andersen T. R., Krzeminski P., Buttiglieri G., Ayral-Cinar D., Comas J., Gajewska M., Hartl M., Finger D. C., Kazak J. K., Mattila H., Vieira P., Piro P., Palermo S. A., Turco M., Pirouz B., Stefanakis A., Regelsberger M., Ursino N., Carvalho P.: Management of Urban Waters with Nature-Based Solutions in Circular Cities—Exemplified through Seven Urban Circularity Challenges// Water -Vol. 13,iss. 23 (2021), s.3334-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/w13233334
- Sources of funding:
-
- The APC was funded by COST CA 17133.
- Verified by:
- Gdańsk University of Technology
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