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      4. Christmas Island Water Resources - Basal Aquifer - Brackish

      Christmas Island Water Resources - Basal Aquifer - Brackish

      Water resources data for Christmas Island were assembled as part of ongoing groundwater investigations and monitoring undertaken on Christmas Island during the period from October 1996 to June 1999.

      Brackish basil aquifer data indicates the approximate boundary of the basal aquifer with brackish or saline water, on Christmas Island.

      Accuracy: The estimated extent of the boundary is based on information from salinity monitoring boreholes and some estimation based on knowledge of freshwater aquifer behaviour on the island.

      The boundaries are somewhat subjective and are in fact not fixed, as they will move according to wet and dry periods. Hence it is difficult to generate an accuracy estimate. It could be said that the brackish or saline basal aquifer boundary would normally be within 30m of the boundary shown, but this could be greater during very dry or very wet periods

      Layers were supplied as ESRI shapefiles in CIG85 projection. In September 2003, Geoscience Australia projected these shapefiles into the MGA (GDA94) projection using an XY (X=550015, Y=8780001) shift.

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      Creative Commons Attribution 4.0

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        Brackish basil aquifer data indicates the...

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      Tags
      • Christmas
      • IOT
      • groundwater
      • topographic
      • water
      • water resource
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      • australian-indian-ocean-territories-christmas-island

        Australian Indian Ocean Territories - Christmas Island

        The Australian Government, through the Department of Infrastructure, Regional...

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      Activity Stream RDF JSON
      department-of-infrastructure-and-regional-development
      Key Information
      Published by
      Department of Infrastructure, Transport, Cities and Regional Development
      Information classification
      -
      Data theme
      Natural Resources
      Data last updated
      14-06-2018
      Update frequency
      infrequently
      Data custodian
      ECOWISE (reprojected by GEOSCIENCE)
      Dataset contact
      Maintainer Not Specified
      Website
      -
      First published
      14-06-2018
      Metadata last updated
      25-05-2022
      Data source
      -
      Temporal coverage
      -
      Geospatial theme
      Water
      Geospatial source projection
      MGA (GDA94)
      Spatial coverage

      Dataset extent

      Base map and data from OpenStreetMap and OpenStreetMap Foundation
      Digital object identifier
      -
      Citation
      -
      Data usability rating How reusable and linked the data is. Learn more.

      Acknowledgement

      The Government of Western Australia respectfully acknowledges the traditional owners of country throughout Western Australia and pays its respects to Elders past, present and emerging.

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