Dilution in Transition Zone between Rising Plumes and Surface Plumes

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The papers presents some physical experiments with the dilution of sea outfall plumes with emphasize on the transition zone where the relative fast flowing vertical plume turns to a horizontal surface plume following the slow sea surface currents. The experiments show that a considerable dilution takes place in this zone depending on the ratio between the velocities of the inflow and the outflow of the zone. The option of taking this increased dilution into consideration in respect to initial dilution requirements is discussed.
Original languageEnglish
Title of host publicationProceedings of the 3rd International Conference on Marine Waste Water Discharges and on Marine Environment / 1st International Exhibition on Materials Equipment and Services for Coastal WWTP Outfalls and Sealines : MWWD / IEMES 2004 : Catania, Italy, 27 September - 2 October 2004
Number of pages6
Publication date2004
Publication statusPublished - 2004
Event3rd MWWD / 1st IEMES : 2004 - Catania, Italy
Duration: 27 Sep 20042 Oct 2004


Conference3rd MWWD / 1st IEMES : 2004


  • Sea Outfalls
  • Sea Outfall-Dilution
  • Dilutions
  • Plumes
  • Rising Plumes
  • Surface Plumes
  • Sea Zones
  • Transition Zones
  • Numerical Modelling
  • Initial Dilution


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