The relationship between the parameters of the wash-off function and the controlling hydrologic variables are investigated in this paper, assuming that the pollutant generation process basically depends on the watershed rainfall-runoff response characteristics. Data collected during an intense monitoring program carried out by the Department of Environmental Engineering of the University of Genova (Italy) within a residential area, an auto dismantler facility, a tourism terminal and a urban waste truck depot are used to this aim. The observed runoff events are classified into different TSS mass delivery processes and the occurrence of the first flush phenomenon is also investigated. The correlation between the mathematical parameters describing the exponential process and the hydrological parameters of the corresponding rainfall-runoff event is analysed: runoff parameters and in particular the maximum flow discharge over the time of concentration of the drainage network are proposed as the controlling factor for the total mass of pollutant that is made available for wash-off during each runoff event
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Research Article|
December 01 2007
An investigation of wash-off controlling parameters at urban and commercial monitoring sites
C. Berretta;
1Department of Civil, Environmental and Architectural Engineering, University of Genoa, Via Montallegro 1, 16145 Genova, Italy (E-mail: ignecco@dicat.unige.it; luca.lanza@unige.it; paolo.labarbera@unige.it)
E-mail: berretta@dicat.unige.it
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I. Gnecco;
I. Gnecco
1Department of Civil, Environmental and Architectural Engineering, University of Genoa, Via Montallegro 1, 16145 Genova, Italy (E-mail: ignecco@dicat.unige.it; luca.lanza@unige.it; paolo.labarbera@unige.it)
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L.G. Lanza;
L.G. Lanza
1Department of Civil, Environmental and Architectural Engineering, University of Genoa, Via Montallegro 1, 16145 Genova, Italy (E-mail: ignecco@dicat.unige.it; luca.lanza@unige.it; paolo.labarbera@unige.it)
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P. La Barbera
P. La Barbera
1Department of Civil, Environmental and Architectural Engineering, University of Genoa, Via Montallegro 1, 16145 Genova, Italy (E-mail: ignecco@dicat.unige.it; luca.lanza@unige.it; paolo.labarbera@unige.it)
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Water Sci Technol (2007) 56 (12): 77–84.
Citation
C. Berretta, I. Gnecco, L.G. Lanza, P. La Barbera; An investigation of wash-off controlling parameters at urban and commercial monitoring sites. Water Sci Technol 1 December 2007; 56 (12): 77–84. doi: https://doi.org/10.2166/wst.2007.756
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