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Hydro International -
Internationally recognised expert and Charles Darwin University's Professor of Civil Engineering, Eric Valentine is leading a research project tracking the flow of waste from sewerage outlets as part of a modelling study for a new outfall into Darwin Harbour, Australia.
Professor Valentine chose the Chelsea UniLux fluorimeter to conduct Rhodamine WT dye tracing studies in the area.
Professor Valentine's team discharged quantities of Rhodamine WT dye and a second tracer, radio-isotope, Technetium 99m into the seawater to determine where the tide carries waste water pumped into the harbour.
The UniLux fluorimeter along with other sensors were attached to an aluminium frame and profiled behind a small diving boat.
The boat did transects through the dye plume and measured the concentrations of the dye at a variety of GPS-mapped locations over a number of hours.
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