Authors: Graham, M.; Hartman, E.; He, C.; Droppo, I.G.
Reference: Graham, M.; Hartman, E.; He, C.; Droppo, I.G. (2013) Examining thin layer cap behaviour in a freshwater industrial harbor. J Soils Sediments. 13, 1515-1526
Summary: A 60 ha remediation area in Hamilton Harbor, Lake Ontario will involve dredging, capping, and thin-layer capping. The site is contaminated with PAHs and heavy metals. The study focused on predicting bottom shear stress that could compromise the thin-layer cap. Bottom shear stresses exceeded critical shear stresses from both weather conditions in shallow areas and from large cargo vessels. The thin cap may require larger grain sizes in some areas to prevent erosion. The overall effect on the remediation area is expected to be minimal from localized erosion events of up to 8 mm on a 16 cm thin layer cap.
What You Will Find Here: Materials and Methods p. 1517, Results p. 1520, Discussion p. 1522