Suspended-Sediment Loads in Southern Great Barrier Reef

A 2026 Geoscience Australia study provides quantitative data on suspended-sediment transport in a modern coral reef environment. The research used a mechanical sampling system and current meters to measure sediment loads and water movement over One Tree Reef, representing the first experiment of its kind in such a setting.

Use Cases

• Analyze suspended-sediment load fluctuations across tidal cycles using data from siphon-collected samples.
• Model sediment transport into lagoons using measurements from sampling towers at various reef sites.
• Correlate tidal current velocities from bidirectional meters with suspended calcium carbonate concentrations determined by titration.
• Study sedimentological processes over leeward reef margins using fluorescein dye cast data on water movement.

Strengths

• Data originates from the first experiment of its nature conducted in a modern coral reef environment.
• Quantitative measurements include both suspended-sediment loads and tidal current velocities.
• Study focuses on the scientifically significant southern Great Barrier Reef location.

Limitations

• Core data is presented in PDF/HTML reports, not in a structured, machine-readable tabular format.
• Sample size, temporal coverage, and specific measurement counts are not provided in the description.
• Data collection method may limit granular temporal or spatial analysis compared to continuous sensor data.

Provenance

Source

Geoscience Australia Data

Collection Method

Mechanical siphon sampling at selected tidal levels, fluorescein dye casts, and arrays of bidirectional current meters.

Time Range

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Freshness

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Geography

One Tree Reef in the southern Great Barrier Reef, Queensland, Australia