02c74817-dbea-4063-a63d-70ce471787c7 urn:uuid eng UTF-8 nonGeographicDataset nonGeographicDataset 2025-10-16T12:06:54 creation ISO 19115 2016 Intertidal Extents Model Collection 02c74817-dbea-4063-a63d-70ce471787c7 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. {"type": "Polygon", "coordinates": [[[112.0, -44.0], [154.0, -44.0], [154.0, -10.0], [112.0, -10.0], [112.0, -44.0]]]} 112.0 154.0 -44.0 -10.0 EARTH SCIENCES Earth Science | Oceans Earth Science | Oceans | Tides Earth Science | Terrestrial Hydrosphere Intertidal Extents Model NCI Published_External ITEM Version 2.0 documentDigital ITEM Version 2.0 HTML Intertidal Extents Model Confidence Layer documentDigital Intertidal Extents Model Confidence Layer HTML Intertidal Extents Model Coastal Cells shapefile documentDigital Intertidal Extents Model Coastal Cells shapefile HTML Intertidal Extents Model Relative Extents Model documentDigital Intertidal Extents Model Relative Extents Model HTML Product Description (pdf) documentDigital Product Description (pdf) PDF