From Western Australia Government
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Christmas Island Coastline - 2011update

Created 23/06/2025

Updated 23/06/2025

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A coastline polygon was created from the 2011 digital elevation model (DEM) by Geoscience Australia using ArcMap. When compared to the 2010 coastline (1:30,000 data), and the 2011 orthophotography, the 2011 coastline follows the actual coast more accurately. To make the coastline, all the DEM pixels were reclassified using the ‘reclassify’ tool to give the value of zero, then the coastline was generated using the ‘raster to polygon tool’. Notes on other coast outlines: Cadastre coastline: The coastline displayed as part of the cadastre is derived from the 1999 coastline, as well as some sections which have been manually surveyed. 1999 coastline: A digital elevation model of Christmas Island was created in 1999 from which a coastline was created. This is presumed to be the basis of the 1:25,000 coastline and the original 1:30,000 coastline. Disclaimer

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Additional Info

Field Value
Title Christmas Island Coastline - 2011update
Language English
Licence Creative Commons Attribution 3.0 Australia
Landing Page https://data.gov.au/data/dataset/eff147c6-6135-4ccf-aaa2-5599e41845f5
Remote Last Updated 26/05/2022
Contact Point
Department of Infrastructure, Transport, Cities and Regional Development
info@data.wa.gov.au
Reference Period 20/06/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        [
          105.31950049102308,
          -10.7817229847314
        ],
        [
          105.31950049102308,
          -10.202001575218606
        ],
        [
          105.94209585338832,
          -10.202001575218606
        ],
        [
          105.94209585338832,
          -10.7817229847314
        ],
        [
          105.31950049102308,
          -10.7817229847314
        ]
      ]
    ]
  ],
  "type": "MultiPolygon"
}
Data Portal Western Australia Government

Data Source

This dataset was originally found on Western Australia Government "Christmas Island Coastline - 2011update". Please visit the source to access the original metadata of the dataset:
https://catalogue.data.wa.gov.au/dataset/christmas-island-coastline-2011update