A review of nature-based solutions for urbanwatermanagement in European circular cities: a critical assessment based on case studies and literature

Hasan Volkan Oral, Pedro Carvalho, Magdalena Gajewska, Nadia Ursino, Fabio Masi, Eric D. van Hullebusch, Jan K. Kazak, Alfonso Expositoh, Giulia Cipolletta, Theis Raaschou Andersen, David Christian Finger, Lena Simperler, Martin Regelsberger, Vit Rous, Matej Radinja, Gianluigi Buttiglieri, Pawel Krzeminski, Anacleto Rizzo, Kaveh Dehghanian, Mariyana NikolovaMartin Zimmermann

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    Abstract

    Nature-based solutions (NBS) can protect, manage and restore natural or modified ecosystems. They are a multidisciplinary, integrated approach to address societal challenges and some natural hazards effectively and adaptively, simultaneously providing human well-being and biodiversity benefits. NBS applications can be easily noticed in circular cities, establishing an urban system that is regenerative and accessible. This paper aims to offer a review on NBS for urban water management from the literature and some relevant projects running within the COST Action ‘Implementing nature-based solutions for creating a resourceful circular city’. The method used in the study is based on a detailed tracking of specific keywords in the literature using Google Scholar, ResearchGate, Academia.edu, ScienceDirect and Scopus. Based on this review, three main applications were identified: (i) flood and drought protection; (ii) the water-food-energy nexus; and (iii) water purification. The paper shows that NBS provide additional benefits, such as improving water quality, increasing biodiversity, obtaining social co-benefits, improving urban microclimate, and the reduction of energy consumption by improving indoor climate. The paper concludes that a systemic change to NBS should be given a higher priority and be preferred over conventional water infrastructure.
    OriginalsprogEngelsk
    TidsskriftBlue-Green Systems
    Vol/bind2
    Udgave nummer1
    Sider (fra-til)112–136
    Antal sider24
    ISSN2617-4782
    DOI
    StatusUdgivet - 2020

    Emneord

    • Byggeri, miljø og energi
    • urbanwatermanagement
    • watermanagement

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