Barchan-shaped Sand Banks in Western Torres Strait, Australia

Western Torres Strait in northern Australia contains large barchan-shaped sand deposits. Satellite imagery shows these deposits migrate 10-15 meters west per year and exhibit features characteristic of both subaerial dunes and subaqueous sand banks. The dataset was published by the Australian Ocean Data Network and was last updated on 2026-06-16.

Use Cases

• Analyzing sand bank migration patterns based on satellite imagery showing 10-15 m/year westward movement
• Studying the interaction of wind-driven and tidal currents on sediment deposition based on the description of unidirectional and residual monsoon currents
• Classifying subaqueous sand bank features based on the presence of mutually evasive channels and sediment circulation described
• Modeling barchan dune formation in marine environments based on the criteria of limited sediment supply and unidirectional regimes

Strengths

• Includes satellite imagery showing annual migration rates of 10-15 meters
• Describes specific geomorphic criteria (mutually evasive channels) used for categorization
• Links deposit formation to documented environmental drivers (net westward current, southeast trade winds)

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment
• Data may reflect geographic bias inherent to data_gov_au

Provenance

Source

Australian Ocean Data Network

Collection Method

Observational study using satellite imagery

Freshness

Last updated 2026-06-16 19:26:39.312765

Geography

Western Torres Strait, Northern Australia