George V Basin in East Antarctica contains a reconstruction of late Quaternary ice sheet and ice shelf extent. The dataset integrates Chirp sub-bottom profiles, multi-channel seismic data, and sediment cores to distinguish four glacial facies and two sediment drift deposits. Radiocarbon ages from sediment cores link the glacial advance to the Last Glacial Maximum.
Use Cases
- Reconstructing ice sheet grounding history based on identified glacial facies.
- Modeling sea-level rise impacts on Antarctic margins based on evidence of sensitivity to meltwater discharge.
- Correlating sediment drift deposits with glacial events based on radiocarbon-dated cores.
- Analyzing glacial advance and retreat patterns based on facies mapping from seismic profiles.
Strengths
- Integrates multiple data sources: Chirp sub-bottom profiles, multi-channel seismic data, and sediment cores.
- Provides a detailed facies classification system for glacial deposits.
- Includes radiocarbon age data linking facies to the Last Glacial Maximum.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Freshness should be verified; last updated metadata date is 2026-05-05.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Analyses of Chirp sub-bottom profiles integrated with multi-channel seismic data and sediment cores.
- Time Range
- Late Quaternary, specifically the Last Glacial Maximum.
- Freshness
- Last updated 2026-05-05 00:37:18.617253
- Geography
- George V Basin, East Antarctica.