Using Turbidity to Determine Total Suspended Solids in Storm-Water Runoff from Green Roofs

AbstractGreen roofs are a technology used to control the quantity of the storm-water runoff and reduce energy consumption. Questions remain about their effect on water quality. Total suspended solids and turbidity are of the main parameters for water quality. This study investigated whether turbidit...

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Bibliographic Details
Published in:Journal of environmental engineering (New York, N.Y.) N.Y.), 2013-06, Vol.139 (6), p.822-828
Main Authors: Al-Yaseri, Isam, Morgan, Susan, Retzlaff, William
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Natural water pollution
Pollution
Rainwaters, run off water and others
Technical Papers
Water treatment and pollution
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Summary:AbstractGreen roofs are a technology used to control the quantity of the storm-water runoff and reduce energy consumption. Questions remain about their effect on water quality. Total suspended solids and turbidity are of the main parameters for water quality. This study investigated whether turbidity could produce a satisfactory estimation for total suspended solids (TSS) in the storm-water runoff from green roofs. Measuring turbidity is much faster than measuring TSS; a log-linear model showed strong positive correlation between TSS and turbidity (R2=0.9374) with a regression equation of [ln (TSS)=0.979 ln (Turb.)+0.574]. This equation shows that turbidity is a suitable monitoring parameter for TSS when TSS sampling and testing are impractical or not feasible.
ISSN:0733-9372
1943-7870
DOI:10.1061/(ASCE)EE.1943-7870.0000685