Brief description
This project undertook a literature review on particle generation when soil or rock material is subjected to dredging processes, the introduction of the particles into the water column (dredge-induced resuspension) and the early stages of dredge plume development. Knowledge in these areas is required to specify suspended sediment source terms for input to dredge plume prediction models that are used in environmental impact assessment of dredging proposals. The report focuses on the two types of hydraulic dredgers that are most commonly employed in major dredging projects in Australia, namely the trailing suction hopper dredger (TSHD) and the cutter suction dredger (CSD). The report responds to Task 2.1 of the WAMSI Dredging Science Node Science Plan (Masini et al. 2011). This report presents a review of available knowledge on the generation/development of sediment particle size characteristics by dredging processes, and the mass release rates (resuspension rates) from dredging activities. This report responds to Task 2.1 of the WAMSI Dredging Science Node Science Plan (Masini et al. 2011).Lineage
Statement: Literature review of published articles, reports and other grey literature. For further details refer to final reportNotes
CreditThe following people are acknowledged for their assistance with this project: Mr Ian Le Provost (Environmental Consultants Association WA) for facilitating contact with dredging practitioners; thirty four dredging practitioners for providing responses to a survey questionnaire; Prof. Bill Bamford (Coffey Rock Laboratory), Mr Neville Bryant (Woodside Energy Ltd), Mr Matt Eliot (Damara), Mr Ron Hutchinson, Mr Scott Langtry (APASA) for discussions; Dr Saima Aijaz (Research Fellow, Centre for Ocean Engineering, Science and Technology, Swinburne University of Technology) for technically reviewing this report; Dr Ray Masini, Dr Ross Jones and Mr Kevin Crane (WAMSI Dredging Science Node, Node Leadership Team) for their advice and assistance.
Created: 23 07 2014
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(All Dredging reports will be made public here. They will also be stored on Pawsey Data Store (https://data.pawsey.org.au/))
uri :
http://www.wamsi.org.au/dredging-science-node/dsn-reports
- global : 9336ce4d-ea5b-4f4d-9e97-fcf9a2097a56