Three sediment cores from Nara Inlet, central Great Barrier Reef, covering the last 3000 years. The data, hosted by the Australian Ocean Data Network, describes sediment accumulation rates and composition changes in a tropical mixed clastic/carbonate system. It shows a decrease in both clastic and carbonate accumulation over time, with clastic input decreasing faster.
Use Cases
- Modeling sediment accumulation rates over the last 3000 years based on radiocarbon dating mentioned in the description.
- Analyzing the temporal shift from clastic to carbonate-dominated sedimentation based on component percentages.
- Investigating the impact of fringing reef growth on terrigenous sediment input as suggested by the description.
- Reconstructing paleoenvironmental conditions of the central Great Barrier Reef middle shelf based on sediment composition.
Strengths
- Includes radiocarbon ages providing a temporal framework for the top 3 meters of sediment.
- Quantifies sediment composition with specific percentages, such as carbonate at 25.80% by weight.
- Cores were collected from a defined natural depocenter, Nara Inlet, providing a focused study site.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Description metadata is limited; actual data quality requires manual inspection after download.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Three sediment cores collected from Nara Inlet, with analysis of sediment composition and radiocarbon dating.
- Time Range
- Last 3000 years (Late Holocene)
- Freshness
- Last updated 2026-06-16 17:22:53.987142; freshness should be verified
- Geography
- Nara Inlet, Whitsunday Islands, central Great Barrier Reef platform, Australia