{"id":103205,"date":"2023-06-23T11:27:07","date_gmt":"2023-06-23T16:27:07","guid":{"rendered":"https:\/\/news.medill.northwestern.edu\/chicago\/?p=103205"},"modified":"2023-06-23T11:27:07","modified_gmt":"2023-06-23T16:27:07","slug":"ice-core-lab","status":"publish","type":"post","link":"https:\/\/news.medill.northwestern.edu\/chicago\/ice-core-lab\/","title":{"rendered":"Millennia of ice, atmosphere are stored in this Colorado lab"},"content":{"rendered":"<p><strong>By Dilpreet Raju<\/strong><br \/>\n<em>Medill Reports<\/em><\/p>\n<p>Thousands of meters of ice are kept in below-freezing temperatures so climate researchers can analyze what the Earth&#8217;s climate was like hundreds of thousands of years ago. Climatologists can then take bits of the ice, which hold thousands of years of undisturbed snow, to extract what concentrations of greenhouse gases like carbon dioxide and methane were for previous periods in the planet&#8217;s life.<\/p>\n<p>The Earth&#8217;s surface temperature and concentrations of CO2 in the planet&#8217;s atmosphere are higher than ever, according to the National Oceanic and Atmospheric Administration. Ice cores provide valuable information to determine the impact of human involvement in climate change.<\/p>\n<p><iframe title=\"NSF Ice Core Facility\" src=\"https:\/\/player.vimeo.com\/video\/834526754?dnt=1&amp;app_id=122963\" width=\"800\" height=\"450\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p><em>Dilpreet Raju is a master\u2019s journalism candidate at Medill. You can follow him at @DilpreetRaju on Twitter or reach him at\u00a0<\/em><a href=\"mailto:dilpreet@u.northwestern.edu\"><em>dilpreet@u.northwestern.edu<\/em><\/a><em>.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>By Dilpreet Raju Medill Reports Thousands of meters of ice are kept in below-freezing temperatures so climate researchers can analyze what the Earth&#8217;s climate was like hundreds of thousands of years ago. Climatologists can then take bits of the ice, which hold thousands of years of undisturbed snow, to extract what concentrations of greenhouse gases [&hellip;]<\/p>\n","protected":false},"author":872,"featured_media":103206,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29,5390],"tags":[506],"class_list":["post-103205","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-health-and-science","category-summer-2023","tag-climate-change"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Millennia of ice, atmosphere are stored in this Colorado lab - Medill Reports Chicago<\/title>\n<meta name=\"description\" content=\"Thousands of meters of ice are kept in below-freezing temperatures so climate researchers can analyze what the Earth&#039;s climate was like hundreds of thousands of years ago.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/news.medill.northwestern.edu\/chicago\/ice-core-lab\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Millennia of ice, atmosphere are stored in this Colorado lab - Medill Reports Chicago\" \/>\n<meta property=\"og:description\" content=\"Thousands of meters of ice are kept in below-freezing temperatures so climate researchers can analyze what the Earth&#039;s climate was like hundreds of thousands of years ago.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/news.medill.northwestern.edu\/chicago\/ice-core-lab\/\" \/>\n<meta property=\"og:site_name\" content=\"Medill Reports Chicago\" \/>\n<meta property=\"article:published_time\" content=\"2023-06-23T16:27:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/s3.amazonaws.com\/medill.wordpress.offload\/wp-media-folder-medill-reports-chicago\/wp-content\/uploads\/sites\/3\/2023\/06\/Screen-Shot-2023-06-08-at-1.18.57-PM.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1152\" \/>\n\t<meta property=\"og:image:height\" content=\"636\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"dilpreet\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"dilpreet\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/news.medill.northwestern.edu\/chicago\/ice-core-lab\/\",\"url\":\"https:\/\/news.medill.northwestern.edu\/chicago\/ice-core-lab\/\",\"name\":\"Millennia of ice, atmosphere are stored in this Colorado lab - Medill Reports Chicago\",\"isPartOf\":{\"@id\":\"https:\/\/news.medill.northwestern.edu\/chicago\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/news.medill.northwestern.edu\/chicago\/ice-core-lab\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/news.medill.northwestern.edu\/chicago\/ice-core-lab\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/s3.amazonaws.com\/medill.wordpress.offload\/wp-media-folder-medill-reports-chicago\/wp-content\/uploads\/sites\/3\/2023\/06\/Screen-Shot-2023-06-08-at-1.18.57-PM.png\",\"datePublished\":\"2023-06-23T16:27:07+00:00\",\"author\":{\"@id\":\"https:\/\/news.medill.northwestern.edu\/chicago\/#\/schema\/person\/133d3986a5b40efaa29ef5cbb94a4bd7\"},\"description\":\"Thousands of meters of ice are kept in below-freezing temperatures so climate researchers can analyze what the Earth's climate was like hundreds of thousands of years ago.\",\"breadcrumb\":{\"@id\":\"https:\/\/news.medill.northwestern.edu\/chicago\/ice-core-lab\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/news.medill.northwestern.edu\/chicago\/ice-core-lab\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/news.medill.northwestern.edu\/chicago\/ice-core-lab\/#primaryimage\",\"url\":\"https:\/\/s3.amazonaws.com\/medill.wordpress.offload\/wp-media-folder-medill-reports-chicago\/wp-content\/uploads\/sites\/3\/2023\/06\/Screen-Shot-2023-06-08-at-1.18.57-PM.png\",\"contentUrl\":\"https:\/\/s3.amazonaws.com\/medill.wordpress.offload\/wp-media-folder-medill-reports-chicago\/wp-content\/uploads\/sites\/3\/2023\/06\/Screen-Shot-2023-06-08-at-1.18.57-PM.png\",\"width\":1152,\"height\":636,\"caption\":\"An aisle of ice cores rest at well below freezing temperatures in Lakewood, Colorado. 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