Geoscience Australia Data published a dataset on March 25, 2026, detailing a multibeam sonar survey at the northern end of Australia's Great Barrier Reef. The data maps a shelf valley system up to 220 meters deep and extending over 90 kilometers across the continental shelf. It supports a proposed conceptual model for the formation of tidally incised shelf valleys.
Use Cases
- Modeling tidal erosion processes based on the described valley morphology.
- Analyzing continental shelf geomorphology based on the mapped 90 km valley system.
- Validating new conceptual models for valley formation based on the multibeam survey observations.
- Studying the interaction of tidal and carbonate shelf systems based on the Great Barrier Reef location.
Strengths
- Data is sourced from a multibeam sonar survey, which typically provides high-resolution bathymetry.
- The dataset describes a specific, large-scale feature: a valley system up to 220 m deep and over 90 km long.
- Published by Geoscience Australia Data, a recognized national geological authority.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count and dataset size are unknown, which may limit suitability assessment.
- The primary file format is HTML, which may not be a standard data format for direct analysis.
Provenance
- Source
- Geoscience Australia Data
- Collection Method
- Multibeam sonar survey
- Time Range
- null
- Freshness
- Last updated 2026-03-25 17:07:43.790169; freshness should be verified.
- Geography
- Northern Great Barrier Reef, Australia, adjacent to the southern edge of the Gulf of Papua