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Id 3002
Author Neo T.H.; Xu D.; Fowdar H.; McCarthy D.T.; Chen E.Y.; Lee T.M.; Ong G.S.; Lim F.Y.; Ong S.L.; Hu J.
Title Evaluation of Active, Beautiful, Clean Waters Design Features in Tropical Urban Cities: A Case Study in Singapore
Reference

Neo T.H.; Xu D.; Fowdar H.; McCarthy D.T.; Chen E.Y.; Lee T.M.; Ong G.S.; Lim F.Y.; Ong S.L.; Hu J. Evaluation of Active, Beautiful, Clean Waters Design Features in Tropical Urban Cities: A Case Study in Singapore,Water (Switzerland) 14 3

Keywords Singapore; Catchments; Effluent treatment; Effluents; Housing; Nitrogen removal; Rain; Runoff; Storm sewers; Storms; Tropics; ABC water design feature; Bioretention; Clean waters; Design features; Field monitoring; Performance; Singapore; Swale; Urban stormwater runoff; Urban stormwater runoff management; catchment; management; monitoring; runoff; Water quality
Link to article https://www.scopus.com/inward/record.uri?eid=2-s2.0-85124971578&doi=10.3390%2fw14030468&partnerID=40&md5=76fe9e0a74456c4f6dab07203d5262fb
Abstract In Singapore, active, beautiful, clean waters design features (ABCWDFs), such as rain gardens and vegetated swales, are used as a sustainable approach for stormwater management. Field monitoring studies characterising the performance of these design features in the tropical region are currently limited, hampering the widespread implementation of these systems. This study characterised the performance of individual ABCWDFs in the tropical climate context by monitoring a rain garden (FB7) and a vegetated swale (VS1) that were implemented in a 4-ha urban residential precinct for a period of 15 months. Results showed that total suspended solids (TSS), total phosphorus (TP) and total nitrogen (TN) concentrations were low in the new residential precinct runoff, leading to poor removal efficiency despite the effluent concentrations of individual ABCWDFs that were within the local stormwater treatment objectives. Average TSS, TP and TN EMCs of four sub-catchment outlets were lower (23.2 mg/L, 0.11 mg/L and 1.00 mg/L, respectively) when compared to the runoff quality of the major catchments in Singapore, potentially demonstrating that the ABCWDFs are effective in improving the catchment runoff quality. Findings from this study can help to better understand the performance of ABCWDFs receiving low influent concentrations and implications for further investigations to improve stormwater runoff management in the tropics. © 2022 by the authors.

Metodology

DOI 10.3390/w14030468
Search Database Scopus
Technique
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