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- Title
Speciation of Zinc and Copper in Stormwater Pavement Runoff from Airside and Landside Aviation Land Uses.
- Authors
Gnecco, I.; Sansalone, J. J.; Lanza, L. G.
- Abstract
The transport, bioavailability and fate of aqueous metals in rainfall-runoff are determined, in part, by speciation. In the framework of a monitoring program to investigate the predominant species of zinc, copper, and water chemistry in runoff subject to aviation land use and activities, two rainfall-runoff monitoring stations were installed at the international airport of Genoa (Italy). One catchment was a boarding area (airside) apron and the other a parking area for vehicles (landside). Utilizing water chemistry analyses, ion balances and speciation modelling for a series of five event loadings for each site, results indicated that Zn2+ dominated Zn speciation and Cu complexes with carbonate or dissolved organic matter, dominated Cu speciation. With respect to wash-off processes a mass limited behaviour was generally observed for particulate matter (measured as TSS) and TOC; while the mass delivery of aqueous metal species tended to be more proportionate with respect to runoff volume.
- Subjects
GENOA (Italy); ITALY; CHEMICAL speciation; ZINC; COPPER; BIOAVAILABILITY; METALS; RAINFALL; RUNOFF; SPECIES; HYDROLOGY
- Publication
Water, Air & Soil Pollution, 2008, Vol 192, Issue 1-4, p321
- ISSN
0049-6979
- Publication type
Article
- DOI
10.1007/s11270-008-9659-2