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Intertidal Extents Model Collection

Created 16/10/2025

Updated 16/10/2025

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Please Note: ITEM v2.0 has now been published and can be accessed on the link provided Note: This is collection-level record. For access to individual data sets, please navigate to them using the hyperlinks on this page.
The Intertidal Extents Model (ITEM v1.0) product is a national scale gridded dataset characterising the spatial extents of the exposed intertidal zone, at intervals of the observed tidal range. The current version utilises all Landsat observations (5, 7, and 8) for Australian coastal regions (excluding off-shore Territories) between 1987 and 2015 (inclusive). The Intertidal Extents Model (ITEM v1.0) consists of three datasets derived from the Landsat NBAR data managed in the Australian Geoscience Data Cube (AGDC) for the period 1987 to 2015.

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Additional Info

Field Value
Title Intertidal Extents Model Collection
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/02c74817-dbea-4063-a63d-70ce471787c7
Contact Point
Geoscience Australia Data
earth.observation@ga.gov.au
Reference Period 01/01/2008 - 01/12/2015
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        112.0,
        -44.0
      ],
      [
        154.0,
        -44.0
      ],
      [
        154.0,
        -10.0
      ],
      [
        112.0,
        -10.0
      ],
      [
        112.0,
        -44.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Intertidal Extents Model Collection". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/intertidal-extents-model-collection