Great Cumbung Swamp Fluvial Geomorphology Study

Eastern Australia's Great Cumbung Swamp, the terminus of the low-gradient Lachlan River, is documented in this scientific description. The Australian Ocean Data Network provides details on three distinct depositional environments: the Lachlan channel, Phragmites Marsh, and overflow areas. The record was last updated in April 2026.

Use Cases

• Analyzing channel morphology using descriptions of sinuosity, width up to 40 m, and bed gradient.
• Modeling marsh ecosystem dynamics based on flood frequency, desiccation, and Phragmites australis colonization patterns.
• Studying sediment transport and deposition from descriptions of black clay sediments, thin sandy beds, and bioturbation.
• Reconstructing floodplain evolution using data on anastomosing overflow channels up to 20 m wide and 1 m deep.

Strengths

• Detailed qualitative description of three distinct depositional environments within the swamp.
• Specific geomorphological measurements provided, such as channel widths up to 40 m and depths of 1 m.

Limitations

• No quantitative tabular data or sample records are available.
• Data is presented as a descriptive text and PDF, limiting computational analysis.
• Unknown temporal range for the observations described.

Provenance

Source

Australian Ocean Data Network

Collection Method

null

Time Range

null

Freshness

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Geography

Great Cumbung Swamp, terminus of the Lachlan River, Eastern Australia