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dc.contributor.authorPons, Vincent
dc.contributor.authorMuthanna, Tone Merete
dc.contributor.authorSivertsen, Edvard
dc.contributor.authorBertrand-Krajewski, Jean-Luc
dc.date.accessioned2022-02-15T08:51:42Z
dc.date.available2022-02-15T08:51:42Z
dc.date.created2022-02-08T08:26:11Z
dc.date.issued2022
dc.identifier.citationWater Science and Technology. 2022, .en_US
dc.identifier.issn0273-1223
dc.identifier.urihttps://hdl.handle.net/11250/2978975
dc.description.abstractHistorically green infrastructure for stormwater management has been event-based designed. This study aims to realign the green infrastructure design strategies with principles for robust decision making, through the example of green roofs design with the variational method and exemplified using the Norwegian context of the 3-step approach (3SA) to stormwater management. The 3SA consists of planning solutions to handle day-to-day rain at site scale through infiltration (step 1) and detention (step 2), and extreme events with safe floodways (step 3). An innovative framework based on downscaling of rainfall timeseries is suggested as follows: (i) long duration continuous simulation for retention variation and day-to-day discharge, corresponding to step 1 in the 3SA; (ii) intensive sampling of local extreme events to estimate reliability and robustness of solutions, corresponding to step 2 and 3 in the 3SA. Comparing the traditional variational method to Highly-Informed-Design-Evaluation-Strategy (HIDES) it was found that the variational method possibly lead to incorrect decisions while the suggested novel approach was found to give more informed and reliable results by suggesting a design based on both operating mode and failure mode. It allows to embed solutions within the urban water system by facilitating the link between the steps of the 3SA. Such a framework was found to be data-wise applicable in the Norwegian context.en_US
dc.language.isoengen_US
dc.publisherIWA Publishingen_US
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/deed.no*
dc.titleRevising Green roof design methods with downscaling model of rainfall time seriesen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
dc.rights.holder© 2022 The Authorsen_US
dc.source.journalWater Science and Technologyen_US
dc.identifier.doi10.2166/wst.2022.023
dc.identifier.cristin1998848
dc.relation.projectNorges forskningsråd: 237859en_US
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal
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