Great Barrier Reef Surficial Facies Maps Using Entropy-Ratio Classification

Entropy-ratio maps enable classification of coral reef surface facies at any chosen resolution. The method uses a ternary classification based on detritus, framework encrustation, and pavement, and is sensitive to zonation across reef flats. This dataset from Geoscience Australia provides an example application in the Great Barrier Reef.

Use Cases

• Mapping surficial reef facies distribution based on the described ternary classification system.
• Analyzing environmental zonation across reef flats based on the method's described sensitivity.
• Superimposing the entropy-ratio classification onto other reef mapping schemes based on the description.
• Developing or validating automated coral reef habitat mapping algorithms based on the entropy-ratio technique.

Strengths

• Method is described as sensitive to all reef environments, particularly zonation across reef flats.
• Classification can be applied at any chosen resolution and superimposed on other schemes.
• Dataset originates from Geoscience Australia, a national geological survey organization.

Limitations

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

Provenance

Source

Geoscience Australia Data

Collection Method

Likely derived from remote sensing or field survey data using entropy-ratio mapping techniques.

Time Range

null

Freshness

Last updated 2026-05-14 09:22:10.020525; freshness should be verified.

Geography

Great Barrier Reef