Geomorphology of the Sabrina Coast Continental Slope and Rise, East Antarctica

The Sabrina Coast slope seaward of the Totten Glacier in East Antarctica (112°E-122°E) displays submarine canyons and ridges formed by sediment accretion and mass movement. The dataset, published in Marine Geology in 2020, likely contains geomorphological features from a study by O'Brien et al. that divides the area into eastern and western regions with distinct characteristics. These features are described as prime locations for sampling sedimentary records of glacier-ocean interaction.

Use Cases

• Classifying submarine canyon types based on thalweg morphology (concave vs. convex) described in the study area.
• Modeling sediment transport pathways based on described ridge asymmetry and advection of fine sediment.
• Identifying potential coring sites for paleoclimate records based on ridges described as long-lived depocenters.
• Comparing mixed contourite-turbidite systems based on the described continuum of geomorphological features on the Antarctic margin.

Strengths

• Dataset is associated with a peer-reviewed publication in Marine Geology (Volume 427, 2020).
• Description provides a detailed geomorphological analysis dividing the study area into two distinct regions.
• Specific geographic scope is defined as the continental slope seaward of the Totten Glacier, East Antarctica (112°E-122°E).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data format is listed as HTML, which may not be a standard geospatial data format for direct analysis.

Provenance

Source

Australian Ocean Data Network (data_gov_au), associated with research by O'Brien et al.

Collection Method

Likely derived from marine geophysical surveys (e.g., bathymetric mapping) as inferred from the geomorphological description.

Freshness

Last updated 2026-06-27 15:51:36.351057; freshness should be verified.

Geography

Continental slope and rise seaward of the Totten Glacier and Sabrina Coast, East Antarctica (112°E to 122°E).