Skip to content
open Open - This dataset is available for use by everyone
open_login Open - Login - This dataset is available for use by everyone - login required
fees_apply Fees Apply - This dataset is available for use subject to payment
restricted Restricted - This dataset is available for use subject to approval
govt_only Government Use Only - This dataset is available for government use only
mixed Mixed - A variety of access levels apply to this dataset's resources
  • Log in
  • Register
  • Site map
  • Accessibility
  • Contact us
data.wa.gov.au

data.wa.gov.au

Providing access to WA government data

  • Home
  • Data
    • Data Home
    • Datasets
    • Organisations
    • Groups
    • Showcases
    • About
  • Toolkit
  • Site map
  • Accessibility
  • Contact us
  • Data Home
  • Datasets
  • Organisations
  • Groups
  • Showcases
  • About
  1. Home
  2. Organisations
  3. Department of Infrastructure, Transport, Cities and Regional Development
  4. Christmas Island Water Resources - Zone of very high vulnerability

Christmas Island Water Resources - Zone of very high vulnerability

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.

The shapefile ‘vh_vulnerability.shp’ contains polygon data indicating the approximate area of the perched aquifer that is at very high risk from water contamination and over extraction.

Accuracy: The estimated extent of the boundary is based on information from salinity monitoring boreholes and some estimation based on knowledge of freshwater aquifer behavior 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 very high vulnerability 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.

Disclaimer

Show full description
Access & Use Information
Open
This dataset is available for use by everyone
License
Creative Commons Attribution 4.0

Data and Resources
Expand all / Collapse all

Web Services & APIs
This dataset doesn’t have any APIs available at the moment.
Data Downloads
  • open Christmas Island Water Resources - Zone of very high vulnerability SHP

    Polygon data indicating the approximate area of...

    Download
Resources
This dataset doesn’t have any supporting resources at the moment.

Discover More

Tags
  • Christmas
  • IOT
  • groundwater
  • topographic
  • water
  • water resource
Curated collections of datasets. Need help adding this dataset to a group? Get in touch.

There are no groups associated with this dataset

The best examples of datasets in use. Want to showcase your use of data? Let us know!

There are no showcases that feature this dataset yet — get in touch with us at opendata@landgate.wa.gov.au to submit one!

Activity Stream RDF JSON
department-of-infrastructure-and-regional-development
Key Information
Published by
Department of Infrastructure, Transport, Cities and Regional Development
Data theme
Natural Resources
Data last updated
26-06-2018
Update frequency
one-off snapshot
Data custodian
ECOWISE (Reprojected by GEOSCIENCE)
Dataset contact
Maintainer Not Specified
Website
-
First published
26-06-2018
Metadata last updated
29-01-2021
Data source
-
Temporal coverage
-
Geospatial theme
Water
Geospatial source projection
UTM WGS84 48s
Spatial coverage

Dataset extent

Digital object identifier
-
Citation
-
  • About data.wa.gov.au
  • CKAN API
  • Open Knowledge Foundation

Powered by

wa.gov.au
  • Home
  • Privacy
  • Disclaimer
  • Copyright

© Western Australian Land Information Authority, 2021