Chalk covers much of the UK and is widespread under the North and Baltic Seas. Foundations in chalk often pose particular problems because the complex collapsible rock behaviour.
Understanding the environmental impacts of wastewater discharges into oceans, dredged material disposal in coastal marine waters and atmospheric emissions from industrial stacks and volcanoes, requires detailed knowledge of how the multiphase (fluid + particulate) behaviour of buoyant jets and plumes is affected by the source conditions (e.g.