Broad Sound Estuary Sedimentology and Holocene History, Queensland

Sedimentological data from Broad Sound, a tropical estuary in Queensland characterized by a large tidal range and strong currents. The dataset includes textural, petrological, and mineralogical studies of sediments from marine, intertidal, and mangrove swamp environments. Drilling and radiocarbon dating indicate most sediments are of late Holocene age, providing a model for interpreting ancient sediments and measuring environmental change.

Use Cases

• Modeling sediment transport and deposition based on described grainsize parameters and tidal current dynamics.
• Interpreting ancient sedimentary sequences using the provided regressive 'fining upward' model from the Holocene.
• Analyzing the influence of sea-level stabilization and potential tectonic uplift on shoreline progradation.
• Classifying estuarine environments (e.g., mangrove swamp, intertidal flat) using sediment composition and mineralogy trends.

Strengths

• Study provides a dated regressive model for environmental interpretation based on late Holocene sediments.
• Analysis integrates multiple data aspects: textural studies, petrology, mineralogy, drilling, and radiocarbon dating.
• Specific geographic and environmental context is provided for Broad Sound, including its large tidal range and confluence of four estuaries.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data formats are HTML and PDF, which may require extraction for computational analysis.

Provenance

Source

Australian Ocean Data Network via data_gov_au

Collection Method

Field studies involving sediment sampling, textural analysis, petrology, mineralogy, drilling, and radiocarbon dating.

Time Range

Holocene, with sea level stabilization noted from about 6000 years ago.

Freshness

Last updated 2026-04-16 08:40:07.254552; freshness should be verified.

Geography

Broad Sound, Queensland, Australia, including its four attendant estuaries and associated environments (shallow marine, intertidal, mangrove swamp).