Rachel White

Rachel has worked as a marine consultant in the port sector for more than 15 years after gaining a PhD at the National Oceanography Centre, Southampton, in the UK. Since 2019, she has been a director at Port and Coastal Solutions, a registered company in both the UK and in Australia. Rachel specialises in coastal processes assessments and numerical modelling and is an elected committee member of the Central Dredging Association (CEDA) UK.

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Articles By Rachel White

The importance of flocculation in dredge plume modelling

Numerical models are often used to predict the magnitude and behaviour of dredge plumes to help assess and manage any environmental risks. To provide a realistic prediction of plumes resulting from dredging, numerical models require information on the rate at which sediment is suspended by the dredging, along with the characteristics of the suspended sediment. Previous investigations have shown that in the marine environment, fine-grained sediment suspended by natural processes and dredge-related activities are typically present as aggregated particles known as flocs. This article considers the importance of including the process of flocculation in dredge plume models.

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