Provision, transport and deposition of debris in urban waterways

Allen, Deonie; Arthur, Scott; Wallerstien, Nicolas; Blanc, Janice; Haynes, Heather

doi:10.1016/j.ijsrc.2015.03.006

Cited by 8 publications

(5 citation statements)

References 16 publications

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“…Allen et al . () found that sediment moves through swales during subsequent runoff events by re‐suspension, conveyance, and re‐deposition. This has implications for longer‐term efficiency of these measures.…”

Section: Discussionmentioning

confidence: 99%

The Impacts of Natural Flood Management Approaches on In‐Channel Sediment Quality

Janes

Grabowski

Mant

et al. 2016

River Research & Apps

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Natural Flood Management (NFM) techniques aim to reduce downstream flooding by storing and slowing the flow of stormwater to river channels. These techniques include a range of measures, including setback stormwater outfalls and the physical restoration of channels and floodplains, to improve the natural functioning of catchments. An additional benefit of NFM measures is the potential reduction in sediment and pollutant delivery to the channel. Urban development releases a variety of heavy metal and nutrient pollutants that enter rivers through stormwater outfalls with adverse effects on the aquatic ecosystem. In this study, the influence of channel modification and quality of the river habitat on the sediment quality surrounding stormwater outfalls was assessed. Sediment samples were taken at several outfalls within the Johnson Creek catchment, Oregon, USA, and analysed for a variety of urban pollutants. The level of river habitat quality and modification at each site were assessed using a semi‐quantitative scoring methodology. Significant increases in pollutant levels were observed at outfalls, with a greater and more variable increase at direct compared to setback outfalls. Removal efficiency of certain pollutants was found to be significantly correlated to the level of habitat quality or modification (for Fe, Ba, Sn, Mg, P, K) indicating that more natural reaches had greater potential for pollutant removal. The findings highlight the multiple benefits associated with NFM and river restoration approaches in relation to sediment quality and pollutant content. © 2016 The Authors River Research and Applications Published by John Wiley & Sons, Ltd.

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Section: Discussionmentioning

confidence: 99%

The Impacts of Natural Flood Management Approaches on In‐Channel Sediment Quality

Janes

Grabowski

Mant

et al. 2016

River Research & Apps

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“…The performance of a pollutant trap is evaluated based on the trapping efficiency which is defined as the proportion of the total mass of gross pollutants transported by the stormwater that is retained by the trap. The first gross pollutant traps were built in the late 1970s using simple designs and most recent technologies have developed high-tech design and construction [2]. Table 1 shows a few traps that have been developed in Malaysia, their advantages and limitations.…”

Section: Introductionmentioning

confidence: 99%

Field Performance of a Constructed Litter Trap with Oil and Grease Filter using Low-cost Materials

Rahmat

Abduh²,

Ali³

et al. 2018

IJIE

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“…The DRAINS model includes a gully pit blockage factor taking account of the capacity reduction due to blockage by debris: it varies from 0 (fully open) to 1 (entirely blocked) [67,68]. Based on recommendations given in the DRAINS software manual, the blockage factor was assumed to be 0.2 for on-grade gully pits and 0.5 for sag pits.…”

Section: Pit Locations and Typesmentioning

confidence: 99%

Performance Evaluation of Stormwater Management Systems and Its Impact on Development Costing

Akhter¹,

Hewa²,

Ahammed³

et al. 2020

Water

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The contribution of this paper is a comparison of the installation cost of a conventional drainage system consisting of a network of pits and pipes, with that of a hybrid drainage system comprising a network of pits and pipes, supported by allotment scale infiltration measures in a modern greenfield residential development. The case study site is located in Pipers Crest, near Strathalbyn, South Australia. This as-built site consists of 56 allotments, 42 pits (hence 42 sub-catchments), one detention basin and over 1000 m of drainage pipes. In this study, conventional and hybrid (combination of conventional and Water Sensitive Urban Design, WSUD systems) drainage systems were designed to convey minor storm events of 10% annual exceedance probability (AEP), and checked for major storm events of 5% AEP, using the DRAINS model and/or source control principles. The installation costs of the conventional and hybrid drainage systems were estimated and compared based upon cost estimates derived from Australian literature. The results of the study indicate that satisfactory drainage was possible using the conventional or hybrid system when the two systems were designed to have outflow not exceeding the pre-developed flow. The hybrid drainage system requires smaller pipe sizes compared to the conventional system. Also, the size of the detention basin and maximum outflow rate of the hybrid system were smaller than those for the conventionally drained site. The installation cost of the hybrid drainage system was 18% less than that of the conventional drainage system when the objective was to accommodate 10% and 5% AEP storms.

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Provision, transport and deposition of debris in urban waterways

Cited by 8 publications

References 16 publications

The Impacts of Natural Flood Management Approaches on In‐Channel Sediment Quality

The Impacts of Natural Flood Management Approaches on In‐Channel Sediment Quality

Field Performance of a Constructed Litter Trap with Oil and Grease Filter using Low-cost Materials

Performance Evaluation of Stormwater Management Systems and Its Impact on Development Costing

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