期刊
WATER AIR AND SOIL POLLUTION
卷 192, 期 1-4, 页码 321-336出版社
SPRINGER INTERNATIONAL PUBLISHING AG
DOI: 10.1007/s11270-008-9659-2
关键词
rainfall-runoff; first-flush; metals; land use; aviation; pavement; Particulate matter; speciation; BMPs
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.
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