Date (Creation)

2022-02

Citation identifier

http://data.bgs.ac.uk/id/dataHolding/13607913

Point of contact

Organisation name	Individual name	Electronic mail address	Role
British Geological Survey	Enquiries	enquiries@bgs.ac.uk	Distributor
British Geological Survey	Enquiries	enquiries@bgs.ac.uk	Originator
British Geological Survey	Enquiries	enquiries@bgs.ac.uk	Point of contact

Maintenance and update frequency

As needed

GEMET - INSPIRE themes, version 1.0

• Geology

BGS Thesaurus of Geosciences

• Marine sediments

• Sea floor

• UK Location (INSPIRE)

• Bed rock

dataCentre

• UK Location (INSPIRE)

Keywords

• NERC_DDC

Access constraints

Other restrictions

Other constraints

license

Other constraints

Either : (i) the dataset has not been formally approved by BGS for access and use by external clients under license; and / or (ii) the dataset contains 3rd party data or information obtained by BGS under terms and conditions that must be consulted before the dataset can be provided to, or accessed by, BGS staff or external clients. Refer to the BGS staff member responsible for the creation of the dataset if further advice is required. He / she should be familiar with the composition of the dataset, particularly with regard to 3rd party IPR contained in it, and any resultant access restrictions. This staff member should revert to the IPR Section (IPR@bgs.ac.uk) for advice, should the position not be clear.

Use constraints

Other restrictions

Other constraints

The copyright of materials derived from the British Geological Survey's work is vested in the Natural Environment Research Council [NERC]. No part of this work may be reproduced or transmitted in any form or by any means, or stored in a retrieval system of any nature, without the prior permission of the copyright holder, via the BGS Intellectual Property Rights Manager. Use by customers of information provided by the BGS, is at the customer's own risk. In view of the disparate sources of information at BGS's disposal, including such material donated to BGS, that BGS accepts in good faith as being accurate, the Natural Environment Research Council (NERC) gives no warranty, expressed or implied, as to the quality or accuracy of the information supplied, or to the information's suitability for any use. NERC/BGS accepts no liability whatever in respect of loss, damage, injury or other occurence however caused.

Other constraints

The dataset is made available to external clients under BGS Digital Data Licence terms and conditions. Revert to the IPR Section ( iprdigital@bgs.ac.uk) if further advice is required with regard to permitted usage.

Spatial representation type

Vector

Language

English

Topic category

• Geoscientific information

Geographic identifier

Bristol Channel [id=1237949]

British Geological Survey Gazetteer: OS gazetteer 2002 revision

End date

2022 Before

Unique resource identifier

WGS 84 / UTM zone 30N (EPSG::32630)

Distribution format

Name	Version
ESRI shapefiles (.shp)
ESRI layer files (.lyr).

Distributor contact

Organisation name	Individual name	Electronic mail address	Role
British Geological Survey	Enquiries	enquiries@bgs.ac.uk	Distributor

OnLine resource

Protocol	Linkage	Name
	https://doi.org/10.5285/7e413304-4481-4009-b0cb-338dd3bce8f6	Digital Object Identifier (DOI)

OnLine resource

Protocol	Linkage	Name
	http://mapapps2.bgs.ac.uk/geoindex_offshore/home.html?	Data

Hierarchy level

Dataset

Other

dataset

Statement

The delineation and classification of the geological substrate units were based primarily on what can be observed and interpreted from the high-resolution (2m) multibeam echo-sounder (MBES) bathymetry data collected, in 2011, during the Civil Hydrography Programme (CHP) surveys managed by the Maritime and Coastguard Agency (MCA). MBES backscatter, physical samples (e.g. grabs, cores, and boreholes) and previous geological mapping were also used to further inform the geological interpretation. In 2019, G. Carter, R. Ellen, J. Everest, R. Kendall and E. Phillips mapped the area covered by the HI1327, HI1326 and HI1325 MBES MCA surveys, with ESRI ArcGIS using the BGS SIGMA Desktop application. The geological linework was done at a scale ranging from 1:5000 to 1:7000, to ensure smooth linework when the dataset is viewed at a scale of 1:10000. Bedrock and superficial deposits were mapped into two independent SIGMA layers and later merged to create the Seabed Substrate layer included in this dataset. Additional attribute fields were added to the layers, in particular to the geomorphology, to complement the information captured automatically by the SIGMA. The methodology used is described in more detail in the user guide for this dataset (OR/22/011).

Metadata

File identifier

d93e1d7f-ae41-236e-e054-002128a47908 XML

Metadata language

English

Hierarchy level

Dataset

Date stamp

2025-05-08

Metadata standard name

UK GEMINI

Metadata standard version

2.3

Metadata author

Organisation name	Individual name	Electronic mail address	Role
British Geological Survey		enquiries@bgs.ac.uk	Point of contact

Dataset URI

http://data.bgs.ac.uk/id/dataHolding/13607913