DEA Intertidal: Annual 10m Elevation and Exposure Maps for Australia's Coast

Australia's intertidal zone is mapped at a 10-meter resolution using Landsat and Sentinel-2 satellite data. The product suite provides annual continental-scale elevation and exposure data. It is produced by Digital Earth Australia, part of Geoscience Australia.

Use Cases

• Predicting coastal hazard impacts like storm surges based on baseline elevation data.
• Investigating coastal erosion and sediment transport processes using dynamic topography data.
• Supporting habitat mapping for coastal ecosystems spanning terrestrial to marine boundaries.
• Characterizing spatio-temporal exposure patterns to support migratory shorebird studies.

Strengths

• Continental-scale coverage of Australia's entire intertidal zone.
• Annual products generated from open-source Landsat and Sentinel-2 satellite archives.
• 10-meter spatial resolution for detailed topographic analysis.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Freshness should be verified despite a last updated date of 2026-04-30.

Provenance

Source

Geoscience Australia Data, Digital Earth Australia

Collection Method

Derived from the archive of open-source Landsat and Sentinel-2 satellite data.

Freshness

Last updated 2026-04-30 13:06:59.583137

Geography

Australia's intertidal coastline