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Outer Darwin Harbour Marine Survey 2015: High resolution backscatter grid

Created 23/01/2026

Updated 23/01/2026

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This resource contains multibeam sonar backscatter data for Outer Darwin Harbour collected by Geoscience Australia (GA), the Australian Institute of Marine Science (AIMS) and the Northern Territory Government (Department of Land Resource Management) during the period from 28 May and 23 June 2015 on the RV Solander (survey SOL6187/GA0351). This project was made possible through offset funds provided by INPEX-led Ichthys LNG Project to Northern Territory Government Department of Land Resource Management, and co-investment from Geoscience Australia and Australian Institute of Marine Science. The intent of this four year (2014-2018) program is to improve knowledge of the marine environments in the Darwin and Bynoe Harbour regions by collating and collecting baseline data that enable the creation of thematic habitat maps that underpin marine resource management decisions. The specific objectives of the survey were to:

  1. Obtain high resolution geophysical (bathymetry) data for outer Darwin Harbour, including Shoal Bay;
  2. Characterise substrates (acoustic backscatter properties, grainsize, sediment chemistry) for outer Darwin Harbour, including Shoal Bay; and
  3. Collect tidal data for the survey area. Data acquired during the survey included: multibeam sonar bathymetry and acoustic backscatter; physical samples of seabed sediments, underwater photography and video of grab sample locations and oceanographic information including tidal data and sound velocity profiles. This dataset comprises multibeam backscatter data.

A detailed account of the survey is provided in:

Siwabessy, P.J.W., Smit, N., Atkinson, I., Dando, N., Harries, S., Howard, F.J.F., Li, J., Nicholas, W.A., Potter, A., Radke, L.C., Tran, M., Williams, D. and Whiteway, T., 2015. Outer Darwin Harbour Marine Survey 2015: GA0351/SOL6187 Post-survey report. Record 2016/008. Geoscience Australia, Canberra. http://dx.doi.org/10.11636/Record.2016.008

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Additional Info

Field Value
Title Outer Darwin Harbour Marine Survey 2015: High resolution backscatter grid
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/5afd1779-f8e1-4113-968e-6c002fefa554
Contact Point
Australian Ocean Data Network
clientservices@ga.gov.au
Reference Period 28/05/2015 - 23/06/2015
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        130.5095,
        -12.4234
      ],
      [
        130.9881,
        -12.4234
      ],
      [
        130.9881,
        -12.12486
      ],
      [
        130.5095,
        -12.12486
      ],
      [
        130.5095,
        -12.4234
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Australian Oceans Data Network

Data Source

This dataset was originally found on Australian Oceans Data Network "Outer Darwin Harbour Marine Survey 2015: High resolution backscatter grid". Please visit the source to access the original metadata of the dataset:
https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/outer-darwin-harbour-marine-survey-2015-high-resolution-backscatter-grid3