Maritime and Coastguard Agency Civil Hydrography Programme data for the HI1794 Northwest Approaches to Liverpool Bay B area. The dataset includes acoustic backscatter mosaics, seabed samples, images, and natural feature shapefiles, verified by the UK Hydrographic Office. Data was collected using a Kongsberg EM 2040 multibeam echosounder system.
Use Cases
- Classify seabed sediment types based on acoustic backscatter data.
- Map the distribution of natural seabed features using the provided shapefiles.
- Validate remote sensing models with physical seabed sample data.
- Analyze seabed texture and roughness from backscatter mosaics.
Strengths
- Data verified by the authoritative UK Hydrographic Office.
- Includes multiple complementary data types: mosaics, samples, images, and shapefiles.
- Specifies the collection instrument: Kongsberg EM 2040 MBES.
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 formats are unknown, which may limit suitability assessment.
Provenance
- Source
- British Geological Survey (BGS), collected under the Maritime and Coastguard Agency Civil Hydrography Programme.
- Collection Method
- Collected via ship-based multibeam echosounder (Kongsberg EM 2040) and seabed sampling.
- Time Range
- null
- Freshness
- Last updated 2026-04 09 08:35:17.184950; freshness should be verified.
- Geography
- Northwest Approaches to Liverpool Bay, United Kingdom.