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UKGEOS Cheshire - Electrical Resistivity Tomography (ERT) data (Feb 2025)

This data contains raw electrical resistivity tomography (ERT) measurements made at the UKGEOS (United Kingdom Geoenergy Observatories) site at Thornton science park in Cheshire, as well as associated metadata, during February 2025. The measurements in this case were made in support of a 3-day closed loop heat injection test starting on the 10th of February 2025. During the test approx. 24kW of heat was equally distributed between 4 observatory heat exchanger boreholes via a circulating heat exchange fluid. This resulted in the fluid delivery temperature increasing from 12 to 27C. The ERT data was collected from 12 boreholes instrumented with ERT electrodes at 1m intervals from 12 to 96 m below the ground surface to facilitate down and cross- hole imaging with electrical currents (1008 electrodes in total). The electrodes are connected to a geoelectrical monitoring system comprising two PRIME servers (1 and 2) which are installed at the site indefinitely. The PRIME instrument is bespoke developed by the British Geological Survey (BGS) for long term geoelectrical monitoring applications, in this case the purpose of the data is to study how the electrical resistivity of the ground responds to temperature changes and other hydrogeological processes. Metadata includes the position of the electrodes within the subsurface, furthermore, finite element meshes are included to aid the user in processing this data. There is a readme (text) file provided with this data that describes its formatting and usage. This data is managed by BGS.

Simple

Date (Creation)
2025-06-19
Identifier
http://data.bgs.ac.uk/id/dataHolding/13608431
Distributor
  British Geological Survey - Enquiries
Environmental Science Centre, Nicker Hill, Keyworth , NOTTINGHAM , NOTTINGHAMSHIRE , NG12 5GG , United Kingdom
0115 936 3143
0115 936 3276
Originator
  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
Distributor
  British Geological Survey - Enquiries
Originator
  British Geological Survey - Enquiries
Maintenance and update frequency
notPlanned Not planned
GEMET - INSPIRE themes, version 1.0
  • Geology
BGS Thesaurus of Geosciences
  • data.gov.uk (non-INSPIRE)
  • Geothermal energy
  • Resistivity
  • Tomography
  • Abrasion
  • Citable Data
  • Borehole imaging
  • Geophysical data
  • Boreholes
dataCentre
  • UKGEOS
  • Citable Data
  • data.gov.uk (non-INSPIRE)
Keywords
  • NERC_DDC
Access constraints
otherRestrictions Other restrictions
Other constraints
no limitations
Other constraints
The dataset is made freely available for access, e.g. via the Internet. Either no third party data / information is contained in the dataset or BGS has secured written permission from the owner(s) of any third party data / information contained in the dataset to make the dataset freely accessible.
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
Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced NERC materials "Contains NERC materials ©NERC [year]"
Metadata language
EnglishEnglish
Topic category
  • Geoscientific information
Begin date
2025-02-07
End date
2025-02-21

Vertical extent

Minimum value
0.0000
Maximum value
100.0000

Vertical datum

No information provided.

Reference System Information

No information provided.
Distribution format
  • Tab-Separated Values (TSV) file ()

  • Comma-Separated Values (CSV) file (.csv) ()

  • Gmsh script file (.geo, .pos) ()

  • Gmsh ASCII mesh file (.msh) ( 4.1 )

Distributor
  British Geological Survey - Enquiries
Environmental Science Centre, Nicker Hill, Keyworth , NOTTINGHAM , NOTTINGHAMSHIRE , NG12 5GG , United Kingdom
0115 936 3143
0115 936 3276
Distributor
  British Geological Survey - Enquiries
OnLine resource
Data
OnLine resource
Digital Object Identifier (DOI)

Cimpoiasu, M. O., Boyd, J. P., Wilkinson, P. B., Ngui, J., Spence, M. (2025). UKGEOS Cheshire - Electrical Resistivity Tomography (ERT) data (Feb 2025). NERC EDS National Geoscience Data Centre. (Dataset). https://doi.org/10.5285/ed322978-ced8-40e9-ae61-a4c66a9199ae

Hierarchy level
nonGeographicDataset Non geographic dataset
Other
non geographic 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 resistance data are generated via a multichannel electrical resistivity instrument known as PRIME (PRoactive Infrastructure Monitoring and Evaluation system). Measurements provided are raw measurements only (barring any internal filtering by PRIME). The sensors for the PRIME instrument (electrodes) are in boreholes. The coordinates of the electrodes are also provided with reference to a local and national (OSGB36) coordinate system. The elevations of the electrodes are given with reference to OSGB36 datum, hence although all electrodes are below the ground surface some occupy positive elevation values. The accompanying mesh (for data processing) was generated via the Gmsh software using the known electrode positions and known elevation of the ground surface (at ~20m).
File identifier
38655a96-3918-6fab-e063-3050940a2315 XML
Metadata language
EnglishEnglish
Hierarchy level
nonGeographicDataset Non geographic dataset
Hierarchy level name
non geographic dataset
Date stamp
2025-11-13
Metadata standard name
UK GEMINI
Metadata standard version
2.3
Point of contact
  British Geological Survey
The Lyell Centre, Research Avenue South , EDINBURGH , LOTHIAN , EH14 4AP , United Kingdom
+44 131 667 1000
Dataset URI
http://data.bgs.ac.uk/id/dataHolding/13608431
 
 

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