Ice-sheet numerical modeling reveals bed morphology likely drove changes in ice-sheet extent and dynamics in the Lambert-Amery system at Prydz Bay. The dataset, hosted by the Australian Ocean Data Network, explores topographic controls on ice dynamics from the Oligocene to the Pleistocene. It suggests a negative feedback between erosion and glaciation, where overdeepening of the Lambert graben now prevents shelf-edge glaciation.
Use Cases
- Model ice-sheet extent and flow based on topography and bathymetry data
- Analyze the correlation between bathymetric volume changes and fan sedimentation history
- Study the feedback between erosion and glaciation in overdeepened grabens
- Reconstruct Miocene to Pleistocene ice-sheet dynamics in East Antarctica
Strengths
- Focuses on the largest and oldest outlet of the East Antarctic Ice Sheet
- Integrates ice-sheet numerical modeling with geological data interpretation
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
- Ice-sheet numerical modeling combined with available geological data
- Time Range
- Post-Oligocene to Pleistocene
- Freshness
- Last updated 2026-04-16 14:35:52.340416; freshness should be verified
- Geography
- Prydz Bay Region, Lambert-Amery system, East Antarctica