HI1789 North Channel B: Seabed Backscatter and Sediment Samples

Acoustic backscatter mosaics and seabed samples from the North Channel B survey area. Data includes sediment and sandwave shapefiles, collected by the vessel Mintaka I using a Kongsberg EM 2040 system. The British Geological Survey organized this verified collection as part of the UK's Civil Hydrography Programme.

Use Cases

• Model seabed sediment distribution based on the sediment areas and points shapefiles.
• Analyze sandwave dynamics and migration based on the sandwave areas and crests shapefiles.
• Classify seabed types using the acoustic backscatter mosaics.
• Validate remote sensing data with physical H575 seabed samples and images.

Strengths

• Data and records verified by the UK Hydrographic Office.
• Includes multiple data types: mosaics, samples, images, and shapefiles.
• Specifies the survey vessel and sonar system (Mintaka I, Kongsberg EM 2040).

Limitations

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

Provenance

Source

British Geological Survey (BGS)

Collection Method

Marine survey data collected as part of the Civil Hydrography Programme (CHP).

Time Range

2024

Freshness

Last updated 2026-04-09 08:30:07.844142; freshness should be verified.

Geography

North Channel B (UK waters)