Early-life roof runoff quality

Green vs. traditional roofs

Shirley Elizabeth Clark, Brett V. Long, Christina Y.S. Siu, Julia Spicher, Kelly A. Steele

Research output: Contribution to conferencePaper

1 Citation (Scopus)

Abstract

Sustainable stormwater management involves ensuring that site runoff not exceed the pre-development peak flow rate and volume, typically accomplished through the use of water retention, infiltration, and reuse onsite through rainwater harvesting. Certain roofing materials, however, may be a pollutant source, thus, influencing the runoff's potential for harvesting. This project focuses on the first four months of roof life for several traditional roofs and an extensive green roof. Substantial and significant releases of zinc and copper originated from an uncoated galvanized roof and from two treated woods, respectively. Roof runoff concentrations during early life indicated potential toxicity concerns for zinc and copper, plus periodic elevated nutrient concentrations. Additionally, periodic spikes in pollutant concentrations in early life indicated that elevated pollutant levels simply were not a result of washoff from excess preservative remaining on the surface of the material at installation.

Original languageEnglish (US)
DOIs
StatePublished - Jan 1 2009
Event2008 International Low Impact Development Conference - Seattle, WA, United States
Duration: Nov 16 2008Nov 19 2008

Other

Other2008 International Low Impact Development Conference
CountryUnited States
CitySeattle, WA
Period11/16/0811/19/08

Fingerprint

roof
runoff
zinc
copper
preservative
peak flow
water retention
pollutant source
stormwater
rainwater
infiltration
toxicity
nutrient
material

All Science Journal Classification (ASJC) codes

  • Ecological Modeling

Cite this

Clark, S. E., Long, B. V., Siu, C. Y. S., Spicher, J., & Steele, K. A. (2009). Early-life roof runoff quality: Green vs. traditional roofs. Paper presented at 2008 International Low Impact Development Conference, Seattle, WA, United States. https://doi.org/10.1061/41009(333)9
Clark, Shirley Elizabeth ; Long, Brett V. ; Siu, Christina Y.S. ; Spicher, Julia ; Steele, Kelly A. / Early-life roof runoff quality : Green vs. traditional roofs. Paper presented at 2008 International Low Impact Development Conference, Seattle, WA, United States.
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Clark, SE, Long, BV, Siu, CYS, Spicher, J & Steele, KA 2009, 'Early-life roof runoff quality: Green vs. traditional roofs' Paper presented at 2008 International Low Impact Development Conference, Seattle, WA, United States, 11/16/08 - 11/19/08, . https://doi.org/10.1061/41009(333)9

Early-life roof runoff quality : Green vs. traditional roofs. / Clark, Shirley Elizabeth; Long, Brett V.; Siu, Christina Y.S.; Spicher, Julia; Steele, Kelly A.

2009. Paper presented at 2008 International Low Impact Development Conference, Seattle, WA, United States.

Research output: Contribution to conferencePaper

TY - CONF

T1 - Early-life roof runoff quality

T2 - Green vs. traditional roofs

AU - Clark, Shirley Elizabeth

AU - Long, Brett V.

AU - Siu, Christina Y.S.

AU - Spicher, Julia

AU - Steele, Kelly A.

PY - 2009/1/1

Y1 - 2009/1/1

N2 - Sustainable stormwater management involves ensuring that site runoff not exceed the pre-development peak flow rate and volume, typically accomplished through the use of water retention, infiltration, and reuse onsite through rainwater harvesting. Certain roofing materials, however, may be a pollutant source, thus, influencing the runoff's potential for harvesting. This project focuses on the first four months of roof life for several traditional roofs and an extensive green roof. Substantial and significant releases of zinc and copper originated from an uncoated galvanized roof and from two treated woods, respectively. Roof runoff concentrations during early life indicated potential toxicity concerns for zinc and copper, plus periodic elevated nutrient concentrations. Additionally, periodic spikes in pollutant concentrations in early life indicated that elevated pollutant levels simply were not a result of washoff from excess preservative remaining on the surface of the material at installation.

AB - Sustainable stormwater management involves ensuring that site runoff not exceed the pre-development peak flow rate and volume, typically accomplished through the use of water retention, infiltration, and reuse onsite through rainwater harvesting. Certain roofing materials, however, may be a pollutant source, thus, influencing the runoff's potential for harvesting. This project focuses on the first four months of roof life for several traditional roofs and an extensive green roof. Substantial and significant releases of zinc and copper originated from an uncoated galvanized roof and from two treated woods, respectively. Roof runoff concentrations during early life indicated potential toxicity concerns for zinc and copper, plus periodic elevated nutrient concentrations. Additionally, periodic spikes in pollutant concentrations in early life indicated that elevated pollutant levels simply were not a result of washoff from excess preservative remaining on the surface of the material at installation.

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Clark SE, Long BV, Siu CYS, Spicher J, Steele KA. Early-life roof runoff quality: Green vs. traditional roofs. 2009. Paper presented at 2008 International Low Impact Development Conference, Seattle, WA, United States. https://doi.org/10.1061/41009(333)9