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BGS GeoSure Shrink Swell 3D for London and Thames Valley

The BGS GeoSure Shrink Swell 3D data is a regional hazard susceptibility map that identifies areas of potential shrink–swell hazard, in three dimensional space, at intervals down to 20m in the London and Thames Valley area. Shrinking and swelling clays can change volume due to variation in moisture, which can cause ground movement that may affect many foundations. The data provides an indication of variation in Volume Change Potential (VCP) of shrink-swell clays and is classified on an A-E (low to high) range of hazard susceptibility. BGS GeoSure Shrink Swell 3D for London is part of the BGS GeoSure range of natural subsidence products. It is derived from the BGS Geology 50k data, the BGS London Lithoframe 3D model and the GeoSure v7 Shrink-Swell layer.

Simple

Date (Creation)
2017-01
Identifier
http://data.bgs.ac.uk/id/dataHolding/13607109
Distributor
  British Geological Survey - Enquiries
Environmental Science Centre, Nicker Hill, Keyworth , NOTTINGHAM , NOTTINGHAMSHIRE , NG12 5GG , United Kingdom
0115 936 3143
0115 936 3276
Point of contact
  British Geological Survey - Enquiries
Environmental Science Centre, Nicker Hill, Keyworth , NOTTINGHAM , NOTTINGHAMSHIRE , NG12 5GG , United Kingdom
0115 936 3143
0115 936 3276
Maintenance and update frequency
asNeeded As needed
GEMET - INSPIRE themes, version 1.0
  • Geology
BGS Thesaurus of Geosciences
  • data.gov.uk (non-INSPIRE)
  • Geohazards
  • Three dimensional models
dataCentre
  • data.gov.uk (non-INSPIRE)
Keywords
  • NERC_DDC
Access constraints
otherRestrictions 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
otherRestrictions 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 Vector
Metadata language
EnglishEnglish
Topic category
  • Geoscientific information
Geographic identifier
Greater London Authority [id=41441]

Date (Revision)
2009

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End date
2017-01 Before
Unique resource identifier
OSGB 1936 / British National Grid (EPSG::27700)
Distribution format
Distributor
  British Geological Survey - Enquiries
Environmental Science Centre, Nicker Hill, Keyworth , NOTTINGHAM , NOTTINGHAMSHIRE , NG12 5GG , United Kingdom
0115 936 3143
0115 936 3276
OnLine resource
BGS GeoSure shrink–swell 3D for London and Thames Valley ( WWW:LINK-1.0-http--link )
Hierarchy level
dataset Dataset
Other
dataset

Conformance result

Date (Publication)
2011
Explanation
See the referenced specification
Pass
No

Conformance result

Date (Publication)
2010-12-08
Explanation
See http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2010:323:0011:0102:EN:PDF
Pass
No
Statement
The dataset was derived from the London Lithoframe 3D model. Depths to each of the formations used in the model were extracted across the model extent at a resolution of 50x50m. This data was then further processed to produce an attributed feature class showing which formation was present at specific depths. The depths used are 0, 1, 2, 3, 4, 5, 10, 15 and 20m. Each of the formations was given a VCP value and VCP range. A further processing stage ensured consistency with the DIGMAP 50k surface geology.
File identifier
4930ac62-0d72-1269-e054-002128a47908 XML
Metadata language
EnglishEnglish
Hierarchy level
dataset Dataset
Date stamp
2025-12-11
Metadata standard name
UK GEMINI
Metadata standard version
2.3
Point of contact
  British Geological Survey
Environmental Science Centre,Keyworth , NOTTINGHAM , NOTTINGHAMSHIRE , NG12 5GG , United Kingdom
+44 115 936 3100
Dataset URI
http://data.bgs.ac.uk/id/dataHolding/13607109
 
 

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