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Cruise Ships

Recent research in Australia on the turbulence associated with cruise ships indicates that cruise ship turbulence can have negative impacts on benthic communities. Read more

Recent research in Australia on the turbulence associated with cruise ships indicates that:

  • Cruise ship turbulence can have negative impacts on benthic communities;
  • A predicted model for calculating the turbulence pocket created by specific ships has been developed, and
  • The wake generated by vessels at low speeds (less than seven knots) was small and unlikely to be problematic.

Other research in Australia on ship-sourced pollutants indicates that:

  • The release of anti-fouling agents was and still is of major concern to local communities and agencies responsible for ecosystem health.
  • The general presence of boats at anchor sites affected copper concentrations in waterways to some degree, but other factors (e.g., season) had a stronger influence.
  • Large numbers of small recreational vessels contribute significantly to copper levels in the water column and in sediments even in well-flushed coastal estuaries and lagoon systems.
  • As copper is unlikely to be replaced as a major constituent of anti-fouling paints, ongoing monitoring is required to determine the impacts.
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