Australian Continental Shelf Bed Shear Stress Exposure from 1997 to 2005

The Australian Ocean Data Network provides a dataset quantifying seabed exposure to oceanographic processes on the Australian continental shelf. It contains modeled combined flow bed shear stress data for an 8-year period from March 1997 to February 2005. The data is used to produce regionalisation maps classifying exposure based on magnitude and frequency of stress events.

Use Cases

• Classifying seabed exposure levels based on the spectral regionalisation method described.
• Analyzing the relationship between oceanographic exposure and physical sediment properties like grain size.
• Assessing the balance between stress magnitude and frequency using the work-frequency method mentioned.
• Mapping regions dominated by high-frequency (diurnal/semi-diurnal) versus low-frequency (synoptic/annual) stress events.

Strengths

• Covers the entire Australian continental shelf, providing a national-scale perspective.
• Based on an 8-year time series of modeled oceanographic data from March 1997 to February 2005.
• Applies three distinct methodological approaches to classify exposure, as detailed in the description.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data freshness should be verified; last metadata update was 2026-06-27 20:03:28.992042.

Provenance

Source

Australian Ocean Data Network

Collection Method

Output from a suite of numerical models predicting oceanic processes, used to compute combined flow bed shear stresses.

Time Range

March 1997 to February 2005

Geography

Australian continental shelf