Beach ridges at Keppel Bay preserve a sediment record from the historical period back to middle Holocene times. The ridges comprise fine, well-sorted sand eroded from the Fitzroy River catchment and reworked by currents, waves, and wind. Australian Ocean Data Network hosts this dataset, which was last updated in May 2026.
Use Cases
- Modeling sediment accumulation rates based on beach ridge progradation periods mentioned in the description
- Analyzing the relationship between catchment land-use changes and sediment provenance based on trace-element composition
- Investigating the impact of cyclone-induced floods on coastal sedimentation based on the described average recurrence interval
- Correlating coastal sediment records with broader climate phases in eastern Australia based on the described wetter late Holocene period
Strengths
- Dataset provides optically stimulated luminescence (OSL) ages for beach ridge deposition periods at approximately 1500, 1000, 450, and 230 years BP
- Analysis estimates the beach-ridge strandplain traps the equivalent of 79% of the estimated long-term average annual bedload of the Fitzroy River
- Description includes specific findings on sediment provenance changes linked to catchment vegetation clearing
Limitations
- Column-level documentation is absent; field semantics must be inferred after download
- Row count is unknown, which may limit suitability assessment
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Likely contains field measurements and laboratory analysis (e.g., OSL dating, sediment mass estimates) from scientific research.
- Time Range
- Covers the late Holocene to modern period, with specific deposition periods around 1500, 1000, 450, and 230 years BP, and recent ridges <100 years BP.
- Freshness
- Last updated 2026-05-05 00:52:39.338667; freshness should be verified
- Geography
- Keppel Bay, central Queensland, Australia, with sediment sourced from the Fitzroy River catchment.