Shoreline Progradation Rates at Beachmere, Australia, Over 1,700 Years

1,700 years of shoreline change at Beachmere, southeastern Queensland, Australia, based on optical dating of seven beach ridges. The data provides rates of coastal progradation and relative sea-level changes, with specific ages and accretion rates for each ridge. The dataset is hosted by the Australian Ocean Data Network and was last updated in 2026.

Use Cases

• Modeling historical shoreline accretion rates based on the ~0.16 m/yr to ~0.40 m/yr progression described.
• Analyzing changes in sediment supply and coastal morphology based on the spacing and amplitude shifts between ridges 7-4 and 3-1.
• Investigating the impact of European settlement on coastal systems based on the rapid accretion phase indicated for ridges 3-1.
• Calibrating or validating coastal evolution models using the optically dated chronology spanning 1,700 years.

Strengths

• Provides a 1,700-year chronological record of coastal change.
• Includes specific optical ages with uncertainties for seven distinct beach ridges.
• Quantifies shoreline progradation rates (e.g., ~0.16 m/yr, ~0.40 m/yr).

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

Optical dating of beach ridge sediments.

Time Range

Last 1,700 years

Freshness

Last updated 2026-04-10 18:16:29.135720; freshness should be verified.

Geography

Beachmere, southeastern Queensland, Australia