Sustainable urban drainage systems in established city developments: Modelling the potential for CSO reduction and river impact mitigation.
Acute river impacts
CSO
Integrated modelling
SUDS
Stormwater management
Strategic planning
Journal
Journal of environmental management
ISSN: 1095-8630
Titre abrégé: J Environ Manage
Pays: England
ID NLM: 0401664
Informations de publication
Date de publication:
15 Nov 2020
15 Nov 2020
Historique:
received:
12
03
2020
revised:
04
08
2020
accepted:
05
08
2020
pubmed:
24
8
2020
medline:
29
9
2020
entrez:
24
8
2020
Statut:
ppublish
Résumé
Sustainable urban drainage systems (SUDS) can significantly reduce runoff from urban areas. However, their potential to mitigate acute river impacts of combined sewer overflows (CSO) is largely unknown. To close this gap, a novel coupled model approach was deployed that simulates the effect of realistic SUDS strategies, developed for an established city quarter, on acute oxygen depressions in the receiving river. Results show that for an average rainfall year the SUDS strategies reduce total runoff by 28%-39% and peak runoff by 31%-48%. Resulting relative reduction in total CSO volume ranges from 45%-58%, exceeding annual runoff reduction from SUDS by a factor of 1.5. Negative impacts in the form of fish-critical dissolved oxygen (DO) conditions in the receiving river (<2 mg DO L
Identifiants
pubmed: 32829113
pii: S0301-4797(20)31132-4
doi: 10.1016/j.jenvman.2020.111207
pii:
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
111207Informations de copyright
Copyright © 2020 Elsevier Ltd. All rights reserved.