{"id":687,"date":"2019-12-02T14:43:39","date_gmt":"2019-12-02T14:43:39","guid":{"rendered":"https:\/\/www.bgs.ac.uk\/?post_type=dataset&#038;p=687"},"modified":"2024-04-02T08:02:59","modified_gmt":"2024-04-02T08:02:59","slug":"resistivity","status":"publish","type":"dataset","link":"https:\/\/www.bgs.ac.uk\/datasets\/resistivity\/","title":{"rendered":"BGS Resistivity"},"content":{"rendered":"\t\t\t<section class=\"hero-section hero-section-with-social\">\n\t\t\t\t\t\t\t\t<div class=\"hero-info-wrap\">\n\t\t\t\t\t<div class=\"container\">\n\t\t\t\t\t\t<div class=\"row\">\n\t\t\t\t\t\t\t<div class=\"col-12\">\n\t\t\t\t\t\t\t\t<div class=\"hero-info\">\n\t\t\t\t\t\t\t\t\t<h1>BGS Resistivity<\/h1>\n\t\t\t\t\t\t\t\t\t<p>BGS Datasets<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n\t\t\t<div class=\"social-wrap social-wrap-inline-them\">\n\t\t\t\t<div class=\"sea-background-f\">\n\t\t\t\t\t<span>Share this article<\/span><a target=\"_blank\"  href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https:\/\/www.bgs.ac.uk\/datasets\/resistivity\/\"><span class=\"icon-facebook\"><span class=\"hidden\">Facebook<\/span><\/span><\/a><a target=\"_blank\"  href=\"https:\/\/twitter.com\/intent\/tweet?text=BGS%20Resistivity&#038;url=https:\/\/www.bgs.ac.uk\/datasets\/resistivity\/\"><span class=\"icon-twitter\"><span class=\"hidden\">Twitter<\/span><\/span><\/a><a   onclick=\"javascript:void( (function() {var e=document.createElement('script' );e.setAttribute('type','text\/javascript' );e.setAttribute('charset','UTF-8' );e.setAttribute('src','\/\/assets.pinterest.com\/js\/pinmarklet.js?r='+Math.random()*99999999);document.body.appendChild(e)})());\"  href=\"javascript:void(0);\"><span class=\"icon-pinterest\"><span class=\"hidden\">Pinterest<\/span><\/span><\/a><a target=\"_blank\"  href=\"https:\/\/wa.me?text=https:\/\/www.bgs.ac.uk\/datasets\/resistivity\/\"><span class=\"icon-whatsapp\"><span class=\"hidden\">WhatsApp<\/span><\/span><\/a><a   href=\"mailto:?subject=BGS%20Resistivity&#038;body=This%20theme%20provides%20information%20on%20the%20electrical%20resistivity%20of%20a%20geological%20material,%20to%20be%20used%20where%20the%20earthing%20characteristics%20of%20the%20ground%20are%20required.%20(https:\/\/www.bgs.ac.uk\/datasets\/resistivity\/)\"><span class=\"icon-mail\"><span class=\"hidden\">Email<\/span><\/span><\/a><a href=\"#\" data-copy=\"https:\/\/www.bgs.ac.uk\/datasets\/resistivity\/\" class=\"copy-url-on-click\"><span class=\"icon-link\"><span class=\"hidden\">Copy Link<\/span><\/span><\/a><\/div><\/div>\t\t\t\t\t\t\t<\/section>\n\t\t\t\n\n\n<section class=\"wp-block-bgs-blocks-content-container content-section\"><div class=\"container\"><div class=\"row\"><div class=\"col-12\">\n<p>This theme provides information on the electrical resistivity of a geological material, to be used where the earthing characteristics of the ground are required.<\/p>\n\n\n\n<p>The spatial model covers England, Scotland and Wales at 1:50&nbsp;000-scale using data from these BGS datasets:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/www.bgs.ac.uk\/datasets\/soil-parent-material-model\/\">Soil Parent Material Model<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.bgs.ac.uk\/geological-research\/science-facilities\/engineering-geotechnical-capability\/national-geotechnical-properties-database\/\">National Geotechnical Property Database<\/a><\/li>\n\n\n\n<li>Geophysical Laboratories Database<\/li>\n<\/ul>\n\n\n\n<p>The resistivity of geological units is an important factor in engineering activities where the electrical characteristics of the ground are required, e.g. in earthing of electrical systems. The resistivity of the ground is dependent on a number of factors, including pore water resistivity, saturation and the clay content of the underlying geology.<\/p>\n\n\n\t\t\t\t<div  class=\"owl-carousel carousel-primary-color carousel owl-theme thumbs-carousel-js\">\n\t\t\t\t\t<div class=\"item\"><figure  class=\"img-wrap\"><img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2019\/12\/ResistSample.jpg\" class=\"attachment-medium size-medium\" alt=\"BGS Resistivity\" \/><figcaption class=\"caption sm-line\">\n\t\t\t\t\t<div class=\"caption-icon\">\n\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/themes\/bgs\/img\/info-caption.svg\" alt=\"Information icon\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"caption-text\"><p>BGS Resistivity map example. BGS \u00a9 UKRI.<\/p>\n<\/div>\n\t\t\t\t\t\n\t\t\t\t<\/figcaption><\/figure><\/div><div class=\"item\"><figure  class=\"img-wrap\"><img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2019\/12\/ResistMap-1.jpg\" class=\"attachment-medium size-medium\" alt=\"BGS UK Resistivity map\" \/><figcaption class=\"caption sm-line\">\n\t\t\t\t\t<div class=\"caption-icon\">\n\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/themes\/bgs\/img\/info-caption.svg\" alt=\"Information icon\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"caption-text\"><p>BGS Resistivity map of the UK. BGS \u00a9 UKRI \u2013 Contains OS data \u00a9 Crown copyright 2020.<\/p>\n<\/div>\n\t\t\t\t\t\n\t\t\t\t<\/figcaption><\/figure><\/div>\t\t\t\t<\/div>\n\t\t\t\t\n\n\n<h2 class=\"wp-block-heading\">What is resistivity?<\/h2>\n\n\n\n<p>Electrical resistivity is an intrinsic property of a material and is measured as its resistance to current per unit length for a uniform cross-section. The national attribution of resistivity is based on the calculation of resistivity using the methodology published in <a aria-label=\"undefined (opens in a new tab)\" rel=\"noreferrer noopener\" href=\"http:\/\/mr.crossref.org\/iPage?doi=10.1190%2F1.2432261\" target=\"_blank\">An effective medium algorithm for calculating water saturations at any salinity or frequency<\/a> (Berg (2007).<\/p>\n\n\n\n<p>We hold several thousand field resistivity soundings but they cover a limited number of geological units and are unlikely to cover the lithological variation and saturation conditions that may be encountered. The Berg method uses a number of parameters that are known for the lithologies of many geological units (or can be reasonably estimated using knowledge of similar materials (from the datasets listed) and the field soundings results as a guide.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Who uses resistivity data?<\/h2>\n\n\n\n<p>Resistivity is of interest to a wide range of organisations concerned with development including:<\/p>\n\n\n\n<ul>\n<li>infrastructure<\/li>\n\n\n\n<li>utility companies<\/li>\n\n\n\n<li>local authorities<\/li>\n\n\n\n<li>green energy companies<\/li>\n\n\n\n<li>developers <\/li>\n\n\n\n<li>engineering consultants and contractors <\/li>\n<\/ul>\n\n\n\n<p>Resistivity is particularly relevant to the major power distribution networks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Classification<\/h2>\n\n\n\n<p>The <a href=\"https:\/\/www.bgs.ac.uk\/datasets\/soil-parent-material-model\/\">Soil Parent Material Model<\/a> of Great Britain, which describes the geology of the near surface, has been classified with modelled values of electrical resistivity. The description of the classification can be found in the free <a href=\"https:\/\/www.bgs.ac.uk\/?wpdmdl=12059\">downloadable user guide<\/a>.<\/p>\n<\/div><\/div><\/div><\/section>\n\n\n\n\n\t\t\t\t\t<section   id=\"latest-content-6337-block_2986fb616831d17a7eb7362051c0f9cd\" class=\"grid-section  primary-background   \" >\n\t\t\t\t\t\t<div class=\"container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"row header-of-section\">\n\t\t\t\t\t\t\t\t<div class=\"col-12\">\n\t\t\t\t\t\t\t\t\t<h2>You may also be interested in<\/h2>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"row grid-wrap\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"col-lg-6 col-12\">\n\t<div class=\"cards cards-orizontal-sm  cards-find-more  cards-bordered\">\n\t\t\t\t<a href=\"https:\/\/www.bgs.ac.uk\/geological-data\/datasets\/\" class=\"media-wrap\">\n\t\t\t<img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2020\/01\/feature_250kSample-150x150.jpg\" class=\"lazy-blur wp-post-image\" alt=\"BGS Geology 250k sample\" data-src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2020\/01\/feature_250kSample.jpg\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<div class=\"info-wrap\">\n\t\t\t<div class=\"info\">\n\t\t\t\t<h4><a href=\"https:\/\/www.bgs.ac.uk\/geological-data\/datasets\/\">Datasets<\/a><\/h4>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p>We have a wide range of  licensed geoscience data. The datasets range from the geological data family (BGS Geology) to offshore data, ground stability datasets and 3D models.<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<a href=\"https:\/\/www.bgs.ac.uk\/geological-data\/datasets\/\">Show more<\/a>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n<div class=\"col-lg-6 col-12\">\n\t<div class=\"cards cards-orizontal-sm  cards-find-more  cards-bordered\">\n\t\t\t\t<a href=\"https:\/\/www.bgs.ac.uk\/datasets\/soil-parent-material-model\/\" class=\"media-wrap\">\n\t\t\t<img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2019\/12\/SoilParentSample1-150x150.jpg\" class=\"lazy-blur wp-post-image\" alt=\"Soil Parent Sample 1\" data-src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2019\/12\/SoilParentSample1.jpg\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<div class=\"info-wrap\">\n\t\t\t<div class=\"info\">\n\t\t\t\t<h4><a href=\"https:\/\/www.bgs.ac.uk\/datasets\/soil-parent-material-model\/\">Soil Parent Material Model<\/a><\/h4>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p>The Soil Parent Material Model details the distribution of properties of the weathered and unweathered soil parent materials of the UK.<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<a href=\"https:\/\/www.bgs.ac.uk\/datasets\/soil-parent-material-model\/\">Show more<\/a>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n<div class=\"col-lg-6 col-12\">\n\t<div class=\"cards cards-orizontal-sm  cards-find-more  cards-bordered\">\n\t\t\t\t<a href=\"https:\/\/www.bgs.ac.uk\/geological-research\/science-facilities\/engineering-geotechnical-capability\/national-geotechnical-properties-database\/\" class=\"media-wrap\">\n\t\t\t<img decoding=\"async\" src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2020\/02\/feature_NGPD-150x150.jpg\" class=\"lazy-blur wp-post-image\" alt=\"National Geotechnical Database\" data-src=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2020\/02\/feature_NGPD.jpg\" \/>\t\t\t\t\t<\/a>\n\t\t\t\t<div class=\"info-wrap\">\n\t\t\t<div class=\"info\">\n\t\t\t\t<h4><a href=\"https:\/\/www.bgs.ac.uk\/geological-research\/science-facilities\/engineering-geotechnical-capability\/national-geotechnical-properties-database\/\">National Geotechnical Properties Database<\/a><\/h4>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p>This is a relational database enabling interrogation of AGS 4.0 formatted geoenvironmental and geotechnical data critical to UK engineering.<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<a href=\"https:\/\/www.bgs.ac.uk\/geological-research\/science-facilities\/engineering-geotechnical-capability\/national-geotechnical-properties-database\/\">Show more<\/a>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"row\">\n\t\t\t\t\t\t\t\t<div class=\"col-12\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\t\t","protected":false},"excerpt":{"rendered":"<p>This theme provides information on the electrical resistivity of a geological material, to be used where the earthing characteristics of the ground are required.<\/p>\n","protected":false},"featured_media":2440,"parent":0,"menu_order":70,"template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"on","_relevanssi_pin_keywords":"resitivity, geotechnical properties, geotechnical","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"7260,32954,18527,17592,17424,21627","_relevanssi_noindex_reason":""},"tags":[],"region":[8,116],"topic":[26,21],"purpose":[34,41],"area":[15],"challenge":[],"challenge_topic":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>BGS Resistivity - British Geological Survey<\/title>\n<meta name=\"description\" content=\"This dataset provides information on modelled ranges of resistivity of bedrock and superficial deposits throughout the UK.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bgs.ac.uk\/datasets\/resistivity\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"BGS Resistivity - British Geological Survey\" \/>\n<meta property=\"og:description\" content=\"This dataset provides information on modelled ranges of resistivity of bedrock and superficial deposits throughout the UK.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.bgs.ac.uk\/datasets\/resistivity\/\" \/>\n<meta property=\"og:site_name\" content=\"British Geological Survey\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-02T08:02:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.bgs.ac.uk\/wp-content\/uploads\/2019\/12\/ResistSample.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"738\" \/>\n\t<meta property=\"og:image:height\" content=\"650\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.bgs.ac.uk\/datasets\/resistivity\/\",\"url\":\"https:\/\/www.bgs.ac.uk\/datasets\/resistivity\/\",\"name\":\"BGS Resistivity - 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