Fitzroy River Palaeochannel Bathymetry on the Southern Great Barrier Reef

A prominent bathymetric expression of the Fitzroy River palaeochannel on the continental shelf of the southern Great Barrier Reef (GBR) is reported. The dataset, hosted by the Australian Ocean Data Network, provides new data for characterizing how major rivers respond to sea level change. The palaeochannel differs from the previously discovered Burdekin palaeochannel in that it has not been buried by sediments.

Use Cases

• Modeling sediment transport pathways to the continental slope based on the described palaeochannel.
• Comparing river system responses to sea-level change based on the contrast between the Fitzroy and Burdekin palaeochannels.
• Analyzing the influence of platform reef geomorphology and macrotidal conditions on sediment aggradation behind the shelf edge.
• Refining sedimentation models for the Great Barrier Reef based on evidence of lowstand sediment contribution directly to the slope.

Strengths

• Focuses on a newly reported geological feature (the Fitzroy River palaeochannel) in a globally significant region (the Great Barrier Reef).
• Provides data relevant to a key transition zone between terrigenous-dominated and mixed sedimentary shelves.
• Description includes specific geological comparisons (e.g., with the Burdekin palaeochannel) and oceanographic conditions (macrotidal).

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, focusing solely on the southern Great Barrier Reef.

Provenance

Source

Australian Ocean Data Network

Freshness

Last updated 2026-06-27 16:47:12.995067; freshness should be verified.

Geography

Continental shelf of the southern Great Barrier Reef, Australia