{"id":1073,"date":"2017-08-23T10:07:02","date_gmt":"2017-08-23T10:07:02","guid":{"rendered":"http:\/\/www.earthsound.ie\/?page_id=1073"},"modified":"2017-09-07T09:41:30","modified_gmt":"2017-09-07T09:41:30","slug":"induced-polarisation-ip","status":"publish","type":"page","link":"http:\/\/www.earthsound.ie\/index.php\/induced-polarisation-ip\/","title":{"rendered":"Induced Polarisation (IP)"},"content":{"rendered":"<p style=\"text-align: justify;\">Induced Polarisation (IP) inspects the \u2018chargeability\u2019 of the soil, meaning its ability to become electrically charged by introducing a current into the ground and measuring the resultant voltage. This is especially useful when looking for organic materials (such as wood) as these will tend to have a raised chargeability when compared to the surrounding soil. Owing to this, IP has been used quite extensively when locating ancient wooden track-ways or <i>t\u00f3chars<\/i> as well as other archaeological monuments composed of wooden and organic materials.<\/p>\n<div id=\"attachment_1682\" style=\"width: 1290px\" class=\"wp-caption alignleft\"><img aria-describedby=\"caption-attachment-1682\" loading=\"lazy\" class=\"wp-image-1682 size-full\" src=\"http:\/\/www.earthsound.ie\/wp-content\/uploads\/2017\/09\/MayneBog_IP.jpg\" alt=\"\" width=\"1280\" height=\"932\" \/><p id=\"caption-attachment-1682\" class=\"wp-caption-text\">An induced polarisation survey being carried out over a possible t\u00f3char at Mayne Bog in Co. Westmeath<\/p><\/div>\n<div id=\"attachment_1689\" style=\"width: 1090px\" class=\"wp-caption alignleft\"><img aria-describedby=\"caption-attachment-1689\" loading=\"lazy\" class=\"wp-image-1689 size-full\" src=\"http:\/\/www.earthsound.ie\/wp-content\/uploads\/2017\/08\/ExcavatedTogher.jpg\" alt=\"\" width=\"1080\" height=\"702\" \/><p id=\"caption-attachment-1689\" class=\"wp-caption-text\">An excavated example of a timber &#8216;t\u00f3char&#8217; or trackway. Trackways such as this have been dated to the Bronze and Iron Ages<\/p><\/div>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><span style=\"color: #003366;\">&copy; 2002- 2026 Earthsound Geophysics Ltd.<\/span><\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1000\" src=\"http:\/\/www.earthsound.ie\/wp-content\/uploads\/2017\/08\/EAG_header_alt_old.jpg\" alt=\"\" width=\"1260\" height=\"240\" \/><\/p>\n\n<div class=\"twitter-share\"><a href=\"https:\/\/twitter.com\/intent\/tweet?via=EAG_Earthsound\" class=\"twitter-share-button\">Tweet<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Induced Polarisation (IP) inspects the \u2018chargeability\u2019 of the soil, meaning its ability to become electrically charged by introducing a current into the ground and measuring the resultant voltage. This is especially useful when looking for organic materials (such as wood) as these will tend to have a raised chargeability when compared to the surrounding soil. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"spay_email":""},"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P99dil-hj","_links":{"self":[{"href":"http:\/\/www.earthsound.ie\/index.php\/wp-json\/wp\/v2\/pages\/1073"}],"collection":[{"href":"http:\/\/www.earthsound.ie\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.earthsound.ie\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.earthsound.ie\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.earthsound.ie\/index.php\/wp-json\/wp\/v2\/comments?post=1073"}],"version-history":[{"count":12,"href":"http:\/\/www.earthsound.ie\/index.php\/wp-json\/wp\/v2\/pages\/1073\/revisions"}],"predecessor-version":[{"id":1758,"href":"http:\/\/www.earthsound.ie\/index.php\/wp-json\/wp\/v2\/pages\/1073\/revisions\/1758"}],"wp:attachment":[{"href":"http:\/\/www.earthsound.ie\/index.php\/wp-json\/wp\/v2\/media?parent=1073"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}