Conceptualization and Schematization of Mesoscale Sustainable Drainage Systems: A Full-Scale Study

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Abstract

Sustainable Drainage Systems (SuDS) can be considered the joint product of water engineering and urban planning and design since these systems must comply with hydraulic, hydrologic, and social-ecological functions. To enhance this joint collaboration, a conceptual model of mesoscale SuDS is introduced based on the observed rainfall-runoff responses from two catchments with SuDS and a pipe-bound catchment. The model shows that in contrast to pipe systems, SuDS disaggregates the catchment into a group of discrete mini catchments that have no instant connection to the outlet. These mini catchments start to connect to each other (and perhaps to the outlet) as the rainfall depth increases. It is shown that the sequence of stormwater control measures (SCMs as individual components of SuDS) affects the system's overall performance depending on the volumetric magnitude of the rainfall. The concept is useful in the design and implementation of mesoscale SuDS retrofits, which include several SCMs with different retention and detention capacities within a system.

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  • VA Syd
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Subject classification (UKÄ) – MANDATORY

  • Water Engineering
Original languageEnglish
Article number1041
Number of pages16
JournalWater
Volume10
Issue number8
Publication statusPublished - 2018 Aug 6
Publication categoryResearch
Peer-reviewedYes

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