Cape Darnley Bathymetry Compilation at 100-Meter Resolution

A high-resolution bathymetric grid of the Cape Darnley region in East Antarctica, compiled from multiple data sources over the last three decades. The dataset was created by researchers including Smith J. et al. and published in Antarctic Science in 2021. It integrates single-beam, multibeam swath bathymetry, and digitized chart depths to visualize seafloor morphology.

Use Cases

• Numerical modelling of ocean circulation based on detailed seafloor topography.
• Reconstruction of palaeo-ice streams using high-resolution bathymetric data.
• Refinement of ice-sheet models with improved regional bathymetry representations.
• Visualization of seafloor morphology for geological and biological habitat studies.

Strengths

• 100-meter spatial resolution, enabling detailed visualization.
• Integrates data from multiple high-resolution sources and institutions.
• Improves upon previous bathymetric representations of the region.
• Constructed using a layered hierarchy approach based on data source.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset size are unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

Australian Ocean Data Network via data_gov_au.

Collection Method

Compilation of single-beam, multibeam swath bathymetry, and digitized depths from nautical charts sourced from numerous institutions.

Time Range

Data collected over the last three decades; compilation published in 2021.

Freshness

Last updated 2026-06-05 07:35:57.577510; freshness should be verified.

Geography

Cape Darnley region, East Antarctica, including the Mac.Robertson Land shelf, slope, and adjacent deep sea.