Western Torres Strait in northern Australia contains large barchan-shaped sand deposits that migrate westward at 10-15 meters per year, as observed via satellite imagery. The dataset, hosted by the Australian Ocean Data Network, describes these features which share characteristics of both subaerial dunes and subaqueous sand banks. The analysis links their formation to the region's net westward current driven by southeast trade winds.
Use Cases
- Modeling sediment transport rates based on the documented 10-15 m/year migration.
- Classifying hybrid subaqueous/subarial landforms based on described characteristics like mutually evasive channels.
- Analyzing the impact of unidirectional current regimes on sand bank formation, as mentioned for the Torres Strait.
- Mapping coastal change over time using the satellite imagery referenced in the description.
Strengths
- Includes quantitative migration rates of 10-15 meters per year.
- Describes a specific and studied geographic region: Western Torres Strait, Northern Australia.
- Links physical features to environmental drivers like the 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 is presented in HTML format, which may not be readily machine-readable for analysis.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Analysis of satellite imagery.
- Time Range
- null
- Freshness
- Last updated 2026-05-04 23:29:18.858800; freshness should be verified.
- Geography
- Western Torres Strait, Northern Australia