MCA CHP 2025: Seabed Backscatter and Sediment Samples for South East Shetland

Acoustic Backscatter mosaics, seabed samples, and sediment shapefiles collected for the UK's Civil Hydrography Programme. Data and records were verified by the UK Hydrographic Office using multiple vessel platforms equipped with a Kongsberg EM 2040D multibeam echosounder. The dataset was last updated on 2026-04-09.

Use Cases

• Classify seabed sediment types based on acoustic backscatter mosaics.
• Map sediment distribution patterns based on point and area shapefiles.
• Validate remote sensing data with physical seabed samples and images.
• Model seafloor geology and habitat based on combined acoustic and sample data.

Strengths

• Data is verified by the authoritative UK Hydrographic Office.
• Includes multiple complementary data types: acoustic mosaics, physical samples, and geospatial shapefiles.
• Collected using a specified high-resolution multibeam echosounder (Kongsberg EM 2040D).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and file formats are unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to the specific South East Shetland survey area.

Provenance

Source

British Geological Survey (BGS), collected for the Maritime and Coastguard Agency (MCA) Civil Hydrography Programme.

Collection Method

Acoustic and physical sampling from multiple vessel platforms.

Time Range

Likely collected in or around 2025 based on the programme title.

Freshness

Last updated 2026-04-09 08:30:05.783790; freshness should be verified.

Geography

South East Shetland, UK.