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      Establishment of a dredged material disposal site in the exclusive economic zone: New Zealand

      Flaim, Bryna K.; Healy, Terry R.; Weir, Phillip
      DOI
       10.1080/08920753.2010.498109
      Link
       www.informaworld.com
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      Citation
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      Flaim, B.K., Healy, T.R. & Weir, P. (2010). Establishment of a dredged material disposal site in the exclusive economic zone: New Zealand. Coastal Management, 38(5), 474-500.
      Permanent Research Commons link: https://hdl.handle.net/10289/5212
      Abstract
      Disposal options for muddy dredged material, especially if lightly contaminated, is an issue facing many countries, particularly if environmental protection and adherence to the Protocols of the London Dumping Convention is a regulatory requirement. For the case of the oceanic islands of New Zealand, disposal of muddy dredged material has become an issue for the prime city of Auckland. Accordingly, it has been necessary to investigate a suitable marine disposal site outside of the territorial seas in the exclusive economic zone (EEZ). Ideal properties for such a disposal site include a near flat surface on the continental shelf, with sediments of similar textural characteristics to the material being disposed, a site of non-critical benthic ecology, water depths sufficient to enable the disposal site to be monitored (as required under the London Dumping Convention), a site experiencing low shelf currents, not affected by significant wave agitation, and a site not of cultural significance. The approach for site establishment and gaining consent for disposal activities is reviewed. Preliminary investigations supporting a proposed site on the continental shelf in the EEZ are presented.
      Date
      2010
      Type
      Journal Article
      Publisher
      Taylor & Francis Group
      Collections
      • Science and Engineering Papers [3124]
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