Seabed mapping data from remote sensing and groundtruth samples taken at East of Haig Fras Marine Conservation Zone from 2012 to 2015

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Marine Environmental Data & Information Network
Last updated:
10 July 2024
Topic:
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Summary

Remotely sensed variables and ground truth samples were distributed as part of a seabed mapping exercise. This holding contains the four raster layers provided to all participants for the East of Haig Fras MCZ and the groundtruth samples. These four rasters are: Multibeam echosounder bathymetry, multibeam echosounder backscatter, modelled maximum current velocity at the seabed and modelled mean current velocity at the seabed. All rasters are in UTM29N projection at a 2 m x 2 m resolution. The groundtruth samples were derived from drop camera still images of rock substrate and sediment substrate samples were derived from grabs classified using Particle Size Analysis. Groundtruth samples contain the field "Test". Test values of 0 were used to train the models and values of 1 were withheld from all analysts as an independent test set.

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Data links

Link to the data Format File added Data preview
Cefas Data Portal N/A 10 July 2024 Not available

Additional information

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Added to data.gov.uk
2023-05-17
Access contraints
Not specified
Harvest GUID
CEFASc68e93a7-83bd-4dba-a7a9-2564504f4733
Extent
Latitude: 50.75° to 50.00°
Longitude: -7.50° to -6.50°
Spatial reference system
Dataset reference date
2020-07-03 (publication)
2023-05-17 (revision)
2020-06-17 (creation)
Frequency of update
notPlanned
Responsible party
Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) (originator, custodian, distributor, owner); Department for Environment, Food and Rural Affairs (DEFRA) (owner)
ISO 19139 resource type
dataset
Metadata language
eng
Source Metadata
XML
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