{"id":345601,"date":"2024-10-06T10:36:20","date_gmt":"2024-10-06T08:36:20","guid":{"rendered":"https:\/\/climatescience.press\/?p=345601"},"modified":"2024-10-06T10:36:23","modified_gmt":"2024-10-06T08:36:23","slug":"not-about-co2greenland-still-much-colder-today-than-much-of-the-past-10000-years","status":"publish","type":"post","link":"https:\/\/climatescience.press\/?p=345601","title":{"rendered":"\u00a0Not About CO2\u2026Greenland Still Much Colder Today Than Much Of The Past 10,000 Years"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"723\" height=\"372\" data-attachment-id=\"345609\" data-permalink=\"https:\/\/climatescience.press\/?attachment_id=345609\" data-orig-file=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/10\/0Screenshot-2024-10-06-103524.png?fit=1365%2C703&amp;ssl=1\" data-orig-size=\"1365,703\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"0Screenshot 2024-10-06 103524\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/10\/0Screenshot-2024-10-06-103524.png?fit=723%2C372&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/10\/0Screenshot-2024-10-06-103524.png?resize=723%2C372&#038;ssl=1\" alt=\"\" class=\"wp-image-345609\" srcset=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/10\/0Screenshot-2024-10-06-103524.png?resize=1024%2C527&amp;ssl=1 1024w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/10\/0Screenshot-2024-10-06-103524.png?resize=300%2C155&amp;ssl=1 300w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/10\/0Screenshot-2024-10-06-103524.png?resize=768%2C396&amp;ssl=1 768w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/10\/0Screenshot-2024-10-06-103524.png?resize=1200%2C618&amp;ssl=1 1200w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/10\/0Screenshot-2024-10-06-103524.png?w=1365&amp;ssl=1 1365w\" sizes=\"auto, (max-width: 723px) 100vw, 723px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">From <a href=\"https:\/\/notrickszone.com\/2024\/10\/04\/not-about-co2-greenland-still-much-colder-today-than-much-of-the-past-10000-years\/\">NoTricksZone<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>By\u00a0<a href=\"https:\/\/notrickszone.com\/author\/admin\/\">P Gosselin<\/a><\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Norwegian climate blog site&nbsp;<a href=\"https:\/\/avdekt.no\/stabil-is-pa-nordpolen-siste-20-ar\/\">avdekt.no here reports<\/a>&nbsp;how the GISP2 ice core data from Greenland shows the current temperature is well below the Holocene average.&nbsp;<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Moreover, these temperatures also match perfectly with the historical sources in Norway and Europe, according to&nbsp;<a href=\"https:\/\/avdekt.no\/stabil-is-pa-nordpolen-siste-20-ar\/\">avedkt.no<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The chart below shows a temperature reconstruction based on ice cores going back more than 10,000 years.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"723\" height=\"372\" data-attachment-id=\"345606\" data-permalink=\"https:\/\/climatescience.press\/?attachment_id=345606\" data-orig-file=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/10\/0GISP2-iskjernedata-fra-Gronland-1024x527-1.jpg?fit=1024%2C527&amp;ssl=1\" data-orig-size=\"1024,527\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"0GISP2-iskjernedata-fra-Gronland-1024&amp;#215;527\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/10\/0GISP2-iskjernedata-fra-Gronland-1024x527-1.jpg?fit=723%2C372&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/10\/0GISP2-iskjernedata-fra-Gronland-1024x527-1.jpg?resize=723%2C372&#038;ssl=1\" alt=\"\" class=\"wp-image-345606\" srcset=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/10\/0GISP2-iskjernedata-fra-Gronland-1024x527-1.jpg?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/10\/0GISP2-iskjernedata-fra-Gronland-1024x527-1.jpg?resize=300%2C154&amp;ssl=1 300w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/10\/0GISP2-iskjernedata-fra-Gronland-1024x527-1.jpg?resize=768%2C395&amp;ssl=1 768w\" sizes=\"auto, (max-width: 723px) 100vw, 723px\" \/><figcaption class=\"wp-element-caption\"><em>Chart:\u00a0<a href=\"https:\/\/avdekt.no\/stabil-is-pa-nordpolen-siste-20-ar\/\">avdekt.no<\/a>\u00a0<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The temperature over the Holocene was above today\u2019s level on at least 9 occasions, each spanning many years. Indeed today\u2019s temperature is still on the cool side for the Holocene.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Although man is having a heating impact on today\u2019s modern climate through land-use and modest greenhouse gas warming, natural solar and oceanic factors are still far more powerful than man\u2019s impact. How else can the wide variations occurring over the Holocene be explained?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Today\u2019s temperature is still 2\u00b0C below the warmer peaks seen 7,900, 7,000 and 3,400 years ago.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Greenland GISP2 ice core is viewed as a gold standard when it comes to proxy data-based&nbsp; temperature reconstructions, unlike other proxy data reconstructions based on&nbsp;<a href=\"https:\/\/climateaudit.org\/2023\/11\/24\/mbh98-new-light-on-the-real-data\/\">dubious&nbsp; tree ring analyses<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Norwegian climate blog site\u00a0avdekt.no here reports\u00a0how the GISP2 ice core data from Greenland shows the current temperature is well below the Holocene average.\u00a0<\/p>\n","protected":false},"author":121246920,"featured_media":345609,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_crdt_document":"","advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[691830811,691818252,691818192,691819222],"class_list":{"0":"post-345601","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-uncategorized","8":"tag-gisp2-ice-core-data","9":"tag-greenland","10":"tag-holocene","11":"tag-temperature","13":"fallback-thumbnail"},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/10\/0Screenshot-2024-10-06-103524.png?fit=1365%2C703&ssl=1","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paxLW1-1rUd","jetpack-related-posts":[{"id":192102,"url":"https:\/\/climatescience.press\/?p=192102","url_meta":{"origin":345601,"position":0},"title":"New Analysis of Greenland\u2019s GISP2 Temperatures Expose Selection Bias in Paleo Reconstructions","author":"uwe.roland.gross","date":"17\/03\/2022","format":false,"excerpt":"Scientists admit that 3 different Greenland Summit (GISP2) temperature reconstruction \u201cstrategies\u201d produce 3 different paleoclimate temperature results. The reconstructions chosen as the most \u201crobust\u201d are therefore the ones that align best with the authors\u2019 presuppositions. In a new study published in\u00a0Quaternary Science Reviews\u00a0scientists (D\u00f6ring and Luenberger, 2022) report they reject\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2022\/03\/00Holocene-Cooling-SW-Greenland-6-8C-warmer-10-5-ka-Allan-2021.jpg?fit=1200%2C640&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2022\/03\/00Holocene-Cooling-SW-Greenland-6-8C-warmer-10-5-ka-Allan-2021.jpg?fit=1200%2C640&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2022\/03\/00Holocene-Cooling-SW-Greenland-6-8C-warmer-10-5-ka-Allan-2021.jpg?fit=1200%2C640&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2022\/03\/00Holocene-Cooling-SW-Greenland-6-8C-warmer-10-5-ka-Allan-2021.jpg?fit=1200%2C640&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2022\/03\/00Holocene-Cooling-SW-Greenland-6-8C-warmer-10-5-ka-Allan-2021.jpg?fit=1200%2C640&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":360304,"url":"https:\/\/climatescience.press\/?p=360304","url_meta":{"origin":345601,"position":1},"title":"Central Greenland Was Recently Ice-Free and Covered with Plants When CO2 Was Under 300 ppm","author":"uwe.roland.gross","date":"03\/01\/2025","format":false,"excerpt":"Scientists have known since the GISP2 borehole was drilled in 1993 that Central Greenland deglaciated at least once in the late Pleistocene (Bierman et al., 2024). Indeed, the Summit of the modern Greenland ice sheet was actually ice-free at some point between 250,000 and 1.1 million years ago \u2013 which\u2026","rel":"","context":"In \"carbon dioxide (CO\u2082)\"","block_context":{"text":"carbon dioxide (CO\u2082)","link":"https:\/\/climatescience.press\/?tag=carbon-dioxide-co%e2%82%82"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/01\/0DSC06126.jpg?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/01\/0DSC06126.jpg?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/01\/0DSC06126.jpg?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/01\/0DSC06126.jpg?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/01\/0DSC06126.jpg?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":170711,"url":"https:\/\/climatescience.press\/?p=170711","url_meta":{"origin":345601,"position":2},"title":"Holocene CO2 Variability and Underlying Trends","author":"uwe.roland.gross","date":"01\/11\/2021","format":false,"excerpt":"Guest Post by Renee Hannon Introduction This post compares CO2\u00a0data from Antarctic ice cores during the Holocene interglacial period with other publicly available CO2\u00a0datasets. Antarctic ice CO2\u00a0is regarded as the gold standard for paleo-atmospheric global CO2\u00a0during past interglacial and glacial periods. Antarctic CO2\u00a0does capture the multi-millennial underlying trend; however, short-term\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2021\/11\/0Figure-4-1-720x405-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2021\/11\/0Figure-4-1-720x405-1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2021\/11\/0Figure-4-1-720x405-1.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2021\/11\/0Figure-4-1-720x405-1.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":339085,"url":"https:\/\/climatescience.press\/?p=339085","url_meta":{"origin":345601,"position":3},"title":"Lost for 30 years in a freezer: The whole of Greenland melted away when CO2 was perfect \u2014 consensus broken","author":"uwe.roland.gross","date":"09\/08\/2024","format":false,"excerpt":"The Experts thought Greenland\u2019s ice has been there for the whole Pleistoscene era, or the last 2.6 million years. It was just another useless consensus, stultifying science \u2014 feeding the myth that the climate was perfect until Big Coal screwed it up.","rel":"","context":"In \"Climate models\"","block_context":{"text":"Climate models","link":"https:\/\/climatescience.press\/?tag=climate-models"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/08\/0211295_web.jpg?fit=1200%2C900&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/08\/0211295_web.jpg?fit=1200%2C900&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/08\/0211295_web.jpg?fit=1200%2C900&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/08\/0211295_web.jpg?fit=1200%2C900&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/08\/0211295_web.jpg?fit=1200%2C900&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":360658,"url":"https:\/\/climatescience.press\/?p=360658","url_meta":{"origin":345601,"position":4},"title":"Scientists: Greenland July 14\u00b0C Warmer With 35% Less CO2 250,000 Years Ago!","author":"uwe.roland.gross","date":"06\/01\/2025","format":false,"excerpt":"A new study by Bierman et al titled:\u00a0Plant, insect, and fungi fossils under the center of Greenland\u2019s ice sheet are evidence of ice-free times, shows that \u201cin the middle of Greenland, where a three-kilometer-thick ice sheet now sits, plants and insects once flourished and at CO2 levels well below today\u2019s\u2026","rel":"","context":"In \"carbon dioxide (CO\u2082)\"","block_context":{"text":"carbon dioxide (CO\u2082)","link":"https:\/\/climatescience.press\/?tag=carbon-dioxide-co%e2%82%82"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/01\/0Seljalandsfoss-summer.webp?fit=1200%2C583&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/01\/0Seljalandsfoss-summer.webp?fit=1200%2C583&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/01\/0Seljalandsfoss-summer.webp?fit=1200%2C583&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/01\/0Seljalandsfoss-summer.webp?fit=1200%2C583&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/01\/0Seljalandsfoss-summer.webp?fit=1200%2C583&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":425089,"url":"https:\/\/climatescience.press\/?p=425089","url_meta":{"origin":345601,"position":5},"title":"Holocene Warming","author":"uwe.roland.gross","date":"07\/02\/2026","format":false,"excerpt":"\u201cair temperatures in the [Arctic or globally] are now at their warmest in the past 6,800\u20137,800 y, and that the recent rate of temperature change is unprecedented over the entire Holocene.\u201d (Lecavalier et al., 2017)","rel":"","context":"In \"Arctic warming\"","block_context":{"text":"Arctic warming","link":"https:\/\/climatescience.press\/?tag=arctic-warming"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/02\/0Screenshot-2026-02-07-151319.png?fit=1200%2C652&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/02\/0Screenshot-2026-02-07-151319.png?fit=1200%2C652&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/02\/0Screenshot-2026-02-07-151319.png?fit=1200%2C652&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/02\/0Screenshot-2026-02-07-151319.png?fit=1200%2C652&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/02\/0Screenshot-2026-02-07-151319.png?fit=1200%2C652&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/posts\/345601","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/users\/121246920"}],"replies":[{"embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=345601"}],"version-history":[{"count":5,"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/posts\/345601\/revisions"}],"predecessor-version":[{"id":345611,"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/posts\/345601\/revisions\/345611"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/media\/345609"}],"wp:attachment":[{"href":"https:\/\/climatescience.press\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=345601"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=345601"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=345601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}