Coastal to Deep-Marine Geomorphic Classification Framework and Glossary

The International Seabed Geomorphology Mapping Working Group developed a standardized marine and coastal geomorphic classification framework. The framework includes a glossary of over 400 terms across 11 overlapping classes and a process for mapping 40 bathymetric shapes. This resource, published in Earth-Science Reviews in 2026, aims to support globally consistent seabed mapping.

Use Cases

• Standardizing seabed geomorphic terminology across jurisdictions based on the hierarchical framework.
• Classifying bathymetric shapes using the 40 standardized Morphology Feature terms.
• Tailoring geomorphic interpretation to data quality using the Setting/Process, BGU, BGU-T, and BGU-sT hierarchy.
• Supporting evidence-based ocean decision-making with consistent baseline geomorphic data.

Strengths

• Framework developed through an Ocean Best Practice process incorporating science-community input.
• Includes a glossary of over 400 standardized geomorphic terms.
• Separates morphological mapping from geomorphic interpretation to constrain uncertainty.

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.

Provenance

Source

International Seabed Geomorphology Mapping Working Group (ISGM), Geoscience Australia Data

Collection Method

Developed using an Ocean Best Practice process incorporating science-community input.

Time Range

Publication date 2026.

Freshness

Last updated 2026-04-20 01:00:25.194037; freshness should be verified.

Geography

Global marine and coastal regions.