Tidally Incised Valleys on the Northern Great Barrier Reef Shelf

A multibeam sonar survey mapped a shelf valley system up to 220 meters deep extending for more than 90 kilometers across the continental shelf at the northern end of Australia's Great Barrier Reef. The data, hosted by Geoscience Australia, supports a new conceptual model for the formation of tidally incised shelf valleys. The dataset was last updated on 2026-05-14.

Use Cases

• Modeling tidal erosion processes based on the mapped valley dimensions.
• Analyzing continental shelf morphology based on the multibeam sonar survey data.
• Studying sea-level change impacts based on the proposed conceptual model for valley formation.

Strengths

• The survey mapped a valley system over 90 kilometers long and up to 220 meters deep.
• Data is provided by the authoritative government organization Geoscience Australia.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Geoscience Australia Data

Collection Method

Multibeam sonar survey.

Freshness

Last updated 2026-05-14 03:14:44.107030; freshness should be verified.

Geography

Northern Great Barrier Reef, Australia, adjacent to the southern edge of the Gulf of Papua.