{"id":8837,"date":"2025-08-06T14:11:00","date_gmt":"2025-08-06T19:11:00","guid":{"rendered":"https:\/\/permafrostnet.ca\/?p=8837"},"modified":"2026-10-27T03:57:20","modified_gmt":"2026-10-27T08:57:20","slug":"beyond-magt-learning-more-from-permafrost-thermal-monitoring-data-with-additional-metrics","status":"publish","type":"post","link":"https:\/\/permafrostnet.ca\/fr\/blog\/beyond-magt-learning-more-from-permafrost-thermal-monitoring-data-with-additional-metrics\/","title":{"rendered":"Beyond MAGT: learning more from permafrost thermal monitoring data with additional metrics."},"content":{"rendered":"\n<h2 id=\"wp-block-themeisle-blocks-advanced-heading-e990b683\" class=\"wp-block-themeisle-blocks-advanced-heading wp-block-themeisle-blocks-advanced-heading-e990b683\">Ground temperature is the most common variable in permafrost monitoring and one of three products used to characterize the permafrost Essential Climate Variable by the World Meteorological Organization.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PermafrostNet&#8217;s data scientist, <a href=\"https:\/\/permafrostnet.ca\/people\/nicholas-brown\/\">Nicholas Brown<\/a>, has conducted an investigation into the metrics used to assess indicators of permafrost and heat changes in the ground.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Based on this investigation, recommendations are provided for a set of five metrics that offer a more comprehensive picture of permafrost thaw.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Metrics such as the mean annual ground temperature (MAGT) and active layer thickness (ALT) are used to monitor and quantify permafrost change. However, these have limitations including those arising from the effects of latent heat, which reduce their sensitivity.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"982\" height=\"1024\" src=\"https:\/\/permafrostnet.ca\/wp-content\/uploads\/2025\/10\/Screenshot-2025-10-06-at-2.46.06\u202fPM-982x1024.jpg\" alt=\"\" class=\"wp-image-8838\" srcset=\"https:\/\/permafrostnet.ca\/wp-content\/uploads\/2025\/10\/Screenshot-2025-10-06-at-2.46.06\u202fPM-982x1024.jpg 982w, https:\/\/permafrostnet.ca\/wp-content\/uploads\/2025\/10\/Screenshot-2025-10-06-at-2.46.06\u202fPM-288x300.jpg 288w, https:\/\/permafrostnet.ca\/wp-content\/uploads\/2025\/10\/Screenshot-2025-10-06-at-2.46.06\u202fPM-768x801.jpg 768w, https:\/\/permafrostnet.ca\/wp-content\/uploads\/2025\/10\/Screenshot-2025-10-06-at-2.46.06\u202fPM-12x12.jpg 12w, https:\/\/permafrostnet.ca\/wp-content\/uploads\/2025\/10\/Screenshot-2025-10-06-at-2.46.06\u202fPM.jpg 1368w\" sizes=\"(max-width: 982px) 100vw, 982px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The team investigated the behaviour of existing and novel metrics derived from temperature observations (TSP metrics) using an ensemble of more than seventy 120-year simulations. They evaluated which TSP metrics provide new insight into permafrost change and evaluated how reliably each one indicates changes in sensible, latent, and total heat contents for different levels of sensor quality. They also quantified the effect of sensor placement on the magnitude of observed MAGT trends.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"545\" src=\"https:\/\/permafrostnet.ca\/wp-content\/uploads\/2025\/10\/Screenshot-2025-10-06-at-3.03.14\u202fPM-1024x545.png\" alt=\"\" class=\"wp-image-8839\" style=\"width:1024px;height:auto\" srcset=\"https:\/\/permafrostnet.ca\/wp-content\/uploads\/2025\/10\/Screenshot-2025-10-06-at-3.03.14\u202fPM-1024x545.png 1024w, https:\/\/permafrostnet.ca\/wp-content\/uploads\/2025\/10\/Screenshot-2025-10-06-at-3.03.14\u202fPM-300x160.png 300w, https:\/\/permafrostnet.ca\/wp-content\/uploads\/2025\/10\/Screenshot-2025-10-06-at-3.03.14\u202fPM-768x409.png 768w, https:\/\/permafrostnet.ca\/wp-content\/uploads\/2025\/10\/Screenshot-2025-10-06-at-3.03.14\u202fPM-18x10.png 18w, https:\/\/permafrostnet.ca\/wp-content\/uploads\/2025\/10\/Screenshot-2025-10-06-at-3.03.14\u202fPM.png 1420w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Brown, N. and Gruber, S. (2025).<strong> Beyond MAGT: learning more from permafrost thermal monitoring data with additional metrics<\/strong>, <em>EGUSphere<\/em> [preprint], DOI: <a href=\"https:\/\/doi.org\/10.1016\/j.compgeo.2024.106549\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/doi.org\/10.5194\/egusphere-2025-2658<\/a><span style=\"white-space-collapse: collapse; font-size: 9pt; font-family: &quot;Open Sans&quot;, sans-serif; color: rgb(70, 70, 70);\"><\/span><span style=\"font-size: medium; white-space-collapse: collapse;\"><\/span><\/p>\n\n\n\n<div style=\"height:44px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PermafrostNet&#8217;s data scientist, Nicholas Brown, has conducted an investigation into the metrics used to assess indicators of permafrost and heat changes in the ground. Based on this investigation, recommendations are provided for a set of five metrics that offer a more comprehensive picture of permafrost thaw. Metrics such as the [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":8839,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_monsterinsights_skip_tracking":false,"_EventAllDay":false,"_EventTimezone":"","_EventStartDate":"","_EventEndDate":"","_EventStartDateUTC":"","_EventEndDateUTC":"","_EventShowMap":false,"_EventShowMapLink":false,"_EventURL":"","_EventCost":"","_EventCostDescription":"","_EventCurrencySymbol":"","_EventCurrencyCode":"","_EventCurrencyPosition":"","_EventDateTimeSeparator":"","_EventTimeRangeSeparator":"","_EventOrganizerID":[],"_EventVenueID":[],"_OrganizerEmail":"","_OrganizerPhone":"","_OrganizerWebsite":"","_VenueAddress":"","_VenueCity":"","_VenueCountry":"","_VenueProvince":"","_VenueState":"","_VenueZip":"","_VenuePhone":"","_VenueURL":"","_VenueStateProvince":"","_VenueLat":"","_VenueLng":"","_VenueShowMap":false,"_VenueShowMapLink":false,"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[36,35,118],"tags":[168,156,37,82,14],"class_list":["post-8837","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-news","category-publications","tag-active-layer-thickness","tag-ground-temperature","tag-permafrost","tag-permafrost-monitoring","tag-simulation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Beyond MAGT: learning more from permafrost thermal monitoring data with additional metrics. &#8211; PermafrostNet<\/title>\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.permafrostnet.ca\/news\/beyond-magt-learning-more-from-permafrost-thermal-monitoring-data-with-additional-metrics\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Beyond MAGT: learning more from permafrost thermal monitoring data with additional metrics. &#8211; PermafrostNet\" \/>\n<meta property=\"og:description\" content=\"PermafrostNet&#8217;s data scientist, Nicholas Brown, has conducted an investigation into the metrics used to assess indicators of permafrost and heat changes in the ground. Based on this investigation, recommendations are provided for a set of five metrics that offer a more comprehensive picture of permafrost thaw. Metrics such as the [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.permafrostnet.ca\/news\/beyond-magt-learning-more-from-permafrost-thermal-monitoring-data-with-additional-metrics\/\" \/>\n<meta property=\"og:site_name\" content=\"PermafrostNet\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-06T19:11:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-27T08:57:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.permafrostnet.ca\/wp-content\/uploads\/2025\/10\/Screenshot-2025-10-06-at-3.03.14\u202fPM.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1420\" \/>\n\t<meta property=\"og:image:height\" content=\"756\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Tristan MacLean\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@PermafrostNet\" \/>\n<meta name=\"twitter:site\" content=\"@PermafrostNet\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Tristan MacLean\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimation du temps de lecture\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.permafrostnet.ca\\\/news\\\/beyond-magt-learning-more-from-permafrost-thermal-monitoring-data-with-additional-metrics\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.permafrostnet.ca\\\/news\\\/beyond-magt-learning-more-from-permafrost-thermal-monitoring-data-with-additional-metrics\\\/\"},\"author\":{\"name\":\"Tristan MacLean\",\"@id\":\"https:\\\/\\\/www.permafrostnet.ca\\\/#\\\/schema\\\/person\\\/70e67e64ed65de9f0559f2a871467859\"},\"headline\":\"Beyond MAGT: learning more from permafrost thermal monitoring data with additional metrics.\",\"datePublished\":\"2025-08-06T19:11:00+00:00\",\"dateModified\":\"2026-10-27T08:57:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.permafrostnet.ca\\\/news\\\/beyond-magt-learning-more-from-permafrost-thermal-monitoring-data-with-additional-metrics\\\/\"},\"wordCount\":223,\"publisher\":{\"@id\":\"https:\\\/\\\/www.permafrostnet.ca\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.permafrostnet.ca\\\/news\\\/beyond-magt-learning-more-from-permafrost-thermal-monitoring-data-with-additional-metrics\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/permafrostnet.ca\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/Screenshot-2025-10-06-at-3.03.14\u202fPM.png\",\"keywords\":[\"active layer thickness\",\"ground temperature\",\"permafrost\",\"permafrost monitoring\",\"simulation\"],\"articleSection\":[\"Blog\",\"News\",\"Publications\"],\"inLanguage\":\"fr-CA\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.permafrostnet.ca\\\/news\\\/beyond-magt-learning-more-from-permafrost-thermal-monitoring-data-with-additional-metrics\\\/\",\"url\":\"https:\\\/\\\/www.permafrostnet.ca\\\/news\\\/beyond-magt-learning-more-from-permafrost-thermal-monitoring-data-with-additional-metrics\\\/\",\"name\":\"Beyond MAGT: learning more from permafrost thermal monitoring data with additional metrics. &#8211; 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MacLean","author_link":"https:\/\/permafrostnet.ca\/fr\/author\/tristan\/"},"uagb_comment_info":0,"uagb_excerpt":"PermafrostNet&#8217;s data scientist, Nicholas Brown, has conducted an investigation into the metrics used to assess indicators of permafrost and heat changes in the ground. Based on this investigation, recommendations are provided for a set of five metrics that offer a more comprehensive picture of permafrost thaw. Metrics such as the [&hellip;]","_links":{"self":[{"href":"https:\/\/permafrostnet.ca\/fr\/wp-json\/wp\/v2\/posts\/8837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/permafrostnet.ca\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/permafrostnet.ca\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/permafrostnet.ca\/fr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/permafrostnet.ca\/fr\/wp-json\/wp\/v2\/comments?post=8837"}],"version-history":[{"count":4,"href":"https:\/\/permafrostnet.ca\/fr\/wp-json\/wp\/v2\/posts\/8837\/revisions"}],"predecessor-version":[{"id":8854,"href":"https:\/\/permafrostnet.ca\/fr\/wp-json\/wp\/v2\/posts\/8837\/revisions\/8854"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/permafrostnet.ca\/fr\/wp-json\/wp\/v2\/media\/8839"}],"wp:attachment":[{"href":"https:\/\/permafrostnet.ca\/fr\/wp-json\/wp\/v2\/media?parent=8837"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/permafrostnet.ca\/fr\/wp-json\/wp\/v2\/categories?post=8837"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/permafrostnet.ca\/fr\/wp-json\/wp\/v2\/tags?post=8837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}