Understanding the distribution, structure and behaviour of urban sediments and associated metals towards improving water management strategies.

TL;DRAbstract

Results are given of a study aimed to examine the spatial distribution of sediments and associated contaminants within the Kenilworth sewershed of Hamilton, Ontario, Canada. The specific objectives were to: (1) evaluate the physical structure and grain size distribution of street sediment samples and how it changes during washoff events to better understand sediment transport behaviour; (2) evaluate the selective partitioning of metals within the matrix of the sediment particles to assess the metal bioavailability in receiving waters; and (3) map using GIS the spatial distribution of these sediments and contaminants to identify trends and areas of concern within the sewershed.

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