Closing Water Cycles in the Built Environment through Nature-Based Solutions: The Contribution of Vertical Greening Systems and Green Roofs

dc.contributor.authorPearlmutter, David
dc.contributor.authorPucher, Bernhard
dc.contributor.authorCalheiros, Cristina S. C.
dc.contributor.authorHoffmann, Karin A.
dc.contributor.authorAicher, Andreas
dc.contributor.authorPinho, Pedro
dc.contributor.authorStracqualursi, Alessandro
dc.contributor.authorKorolova, Alisa
dc.contributor.authorPobric, Alma
dc.contributor.authorGalvão, Ana
dc.contributor.authorTokuç, Ayça
dc.contributor.authorBas, Bilge
dc.contributor.authorTheochari, Dimitra
dc.contributor.authorMilosevic, Dragan
dc.contributor.authorGiancola, Emanuela
dc.contributor.authorBertino, Gaetano
dc.contributor.authorCastellar, Joana A. C.
dc.contributor.authorFlaszynska, Julia
dc.contributor.authorOnur, Makbulenur
dc.contributor.authorMateo, Mari Carmen Garcia
dc.contributor.authorAndreucci, Maria Beatrice
dc.contributor.authorMilousi, Maria
dc.contributor.authorFonseca, Mariana
dc.contributor.authorLonardo, Sara Di
dc.contributor.authorGezik, Veronika
dc.contributor.authorPitha, Ulrike
dc.contributor.authorNehls, Thomas
dc.date.accessioned2021-09-14T11:36:36Z
dc.date.available2021-09-14T11:36:36Z
dc.date.issued2021-08-06
dc.date.updated2021-09-13T12:43:16Z
dc.description.abstractWater in the city is typically exploited in a linear process, in which most of it is polluted, treated, and discharged; during this process, valuable nutrients are lost in the treatment process instead of being cycled back and used in urban agriculture or green space. The purpose of this paper is to advance a new paradigm to close water cycles in cities via the implementation of nature-based solutions units (NBS_u), with a particular focus on building greening elements, such as green roofs (GRs) and vertical greening systems (VGS). The hypothesis is that such “circular systems” can provide substantial ecosystem services and minimize environmental degradation. Our method is twofold: we first examine these systems from a life-cycle point of view, assessing not only the inputs of conventional and alternative materials, but the ongoing input of water that is required for irrigation. Secondly, the evapotranspiration performance of VGS in Copenhagen, Berlin, Lisbon, Rome, Istanbul, and Tel Aviv, cities with different climatic, architectural, and sociocultural contexts have been simulated using a verticalized ET0 approach, assessing rainwater runoff and greywater as irrigation resources. The water cycling performance of VGS in the mentioned cities would be sufficient at recycling 44% (Lisbon) to 100% (Berlin, Istanbul) of all accruing rainwater roof–runoff, if water shortages in dry months are bridged by greywater. Then, 27–53% of the greywater accruing in a building could be managed on its greened surface. In conclusion, we address the gaps in the current knowledge and policies identified in the different stages of analyses, such as the lack of comprehensive life cycle assessment studies that quantify the complete “water footprint” of building greening systems.en
dc.description.sponsorshipBMBF, 01LF1803A, SUGI: Vertikales Grün für lebenswerte Städte -Vertical Green 2.0en
dc.identifier.eissn2073-4441
dc.identifier.urihttps://depositonce.tu-berlin.de/handle/11303/13579
dc.identifier.urihttp://dx.doi.org/10.14279/depositonce-12366
dc.language.isoenen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subject.ddc577 Ökologiede
dc.subject.otherwater reuseen
dc.subject.otherwater managementen
dc.subject.otherwater cycleen
dc.subject.othernature-based solutionsen
dc.subject.othergreen roofsen
dc.subject.othervertical greening systemsen
dc.subject.otherlife-cycle assessmenten
dc.subject.othercircular citiesen
dc.subject.otherbuilt environmenten
dc.subject.otherbuilding greeningen
dc.titleClosing Water Cycles in the Built Environment through Nature-Based Solutions: The Contribution of Vertical Greening Systems and Green Roofsen
dc.typeArticleen
dc.type.versionpublishedVersionen
dcterms.bibliographicCitation.articlenumber2165en
dcterms.bibliographicCitation.doi10.3390/w13162165en
dcterms.bibliographicCitation.issue16en
dcterms.bibliographicCitation.journaltitleWateren
dcterms.bibliographicCitation.originalpublishernameMDPIen
dcterms.bibliographicCitation.originalpublisherplaceBaselen
dcterms.bibliographicCitation.volume13en
tub.accessrights.dnbfreeen
tub.affiliationFak. 6 Planen Bauen Umwelt::Inst. Ökologie::FG Ökohydrologie & Landschaftsbewertungde
tub.affiliation.facultyFak. 6 Planen Bauen Umweltde
tub.affiliation.groupFG Ökohydrologie & Landschaftsbewertungde
tub.affiliation.instituteInst. Ökologiede
tub.publisher.universityorinstitutionTechnische Universität Berlinen

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