Thermal Reduction by an Underground Storm-Water Detention System

Natarajan, Poornima; Davis, Allen P.

doi:10.1061/(asce)ee.1943-7870.0000172

Cited by 16 publications

(16 citation statements)

References 7 publications

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“…Relative to previous case studies of a USDC [1] the observed outlet temperatures were very cool. For summer storms the most significant thermal effect is a pronounced reduction in event maximums.…”

Section: Stormwater Temperature and Turbiditymentioning

confidence: 76%

“…Sustained increases in urbanization have resulted in large-scale replacement of pervious land by impervious surfaces, which reduces infiltration rates and available surface storage [1]. Due to these changes, a larger proportion of urban precipitation becomes runoff.…”

Section: Introductionmentioning

confidence: 99%

“…USDC are not open to the environment so they are not affected by solar radiation. Therefore, the thermal issues with SWM ponds, such as elevated effluent temperature and thermal gradients [1,[13][14][15][16] may be avoided. All of these factors combine such that the conditions within a USDC need to be researched as a separate entity to the SWM pond.…”

Section: Introductionmentioning

confidence: 99%

“…UDCSs have been regularly used in densely developed urban areas to provide volume storage and peak flow control for building roof runoff, as well as for combined sewer overflow water [11]. Studies of UDCS have focused on specific water quality parameters such as temperature [1] and metal toxicity [12]. USDCs share many similar features to SWM ponds: both technologies detain runoff with a permanent pool and an orifice which restricts flow to a set maximum; they both have sedimentation forebays to capture coarse sediments; and both are end-of-pipe systems.…”

Section: Introductionmentioning

confidence: 99%

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Performance of an Underground Stormwater Detention Chamber and Comparison with Stormwater Management Ponds

Drake

Young

McIntosh

2016

Water

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Abstract:The transportation of pollutants from impervious surfaces during runoff events to receiving water bodies is a serious environmental problem. Summer runoff is also heated by impervious surfaces, causing thermal enrichment in receiving water body systems and degradation of coldwater aquatic ecosystems. End-of-pipe stormwater management facilities that are open to the environment can result in further elevated temperatures due to exposure to solar radiation. Receiving water systems that provide coldwater habitat require cool water temperatures to sustain healthy conditions for cold water flora and fauna (e.g., trout, dace). Underground Stormwater Detention Chambers (USDC) are a technology for the detention and treatment of stormwater runoff that can potentially solve the thermal issues associated with sun-exposed detention facilities while still providing an equivalent level of treatment services for stormwater pollutants. A field study of an USDC located in Southern Ontario was undertaken to characterize its treatment performance and effect on water temperature. The results were: the USDC was found to provide similar levels of stormwater treatment as wet detention ponds. On average, outlet maximum temperatures were 5˝C cooler than inlet maximum temperatures, and outlet water temperatures remained within the thermal regime for coldwater fish habitat throughout the evaluation period. There was little to no stratification of temperature, nor dissolved solids, but stratification of dissolved oxygen was observed mid-winter and into the spring.

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Section: Stormwater Temperature and Turbiditymentioning

confidence: 76%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Performance of an Underground Stormwater Detention Chamber and Comparison with Stormwater Management Ponds

Drake

Young

McIntosh

2016

Water

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“…Mobile vehicles produce a considerable amount of pollutants, such as oil, grease, and tire and brake wear; and industrial activities contribute to substances eroded from open stacks of raw and finished products (Liu et al 2015). Runoff is often of higher temperature and could increase the temperature of the receiving water body; particularly, urban water bodies are often devoid of riparian vegetation, which worsens the impact (Natarajan and Davis 2010;Susca et al 2011). Warmer temperature can harm the aquatic organisms, especially cold-water species such as trout and salmon (Long and Dymond 2014).…”

Section: Water Quality Treatmentmentioning

confidence: 99%

Blue-Green Infrastructure: New Frontier for Sustainable Urban Stormwater Management

Liao

Deng

Tan

2017

Advances in 21st Century Human Settlements

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Blue-green infrastructure (BGI) has been recognized as an important tool for sustainable urban stormwater management. BGI is ecosystem-based, relying on biophysical processes, such as detention, storage, infiltration, and biological uptake of pollutants, to manage stormwater quantity and quality. Rain gardens, bioswales, constructed wetlands, retention and detention basins, and green roofs are most commonly used BGI systems. Unlike the single-functioned grey infrastructure, which is the conventional urban drainage system, these landscape systems collectively provide multiple ecosystem services, including flood risk mitigation, water quality treatment, thermal reduction, and urban biodiversity enhancement. In recent years, BGI is increasingly embraced through different initiatives around the world, driven by the urgency to tackle different local challenges, such as water quality standards, water security, increased flood risk, and aquatic ecosystem degradation. Whereas BGI is a relatively new term, the idea and practice are not new. In this chapter, we also showcase four cities-Portland, New York City, Singapore, and Zhenjiang-that are active and progressive in implementing BGI. Although BGI receives increasing attention, mainstreaming BGI remains a challenge today. To promote widespread BGI implementation, future research should focus on case studies on practical BGI experiences to inform strategies for overcoming the barriers to mainstreaming BGI in different cities.

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