{"id":387102,"date":"2025-07-05T15:16:40","date_gmt":"2025-07-05T13:16:40","guid":{"rendered":"https:\/\/climatescience.press\/?p=387102"},"modified":"2025-07-05T15:16:41","modified_gmt":"2025-07-05T13:16:41","slug":"new-study-indicates-the-north-atlantic-is-colder-now-than-any-other-time-in-the-last-9000-years","status":"publish","type":"post","link":"https:\/\/climatescience.press\/?p=387102","title":{"rendered":"New Study Indicates The North Atlantic Is Colder Now Than Any Other Time In The Last 9000 Years"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

<\/p>\n\n\n\n

From NoTrickZone<\/a><\/p>\n\n\n\n

By\u00a0Kenneth Richard<\/a><\/em><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

<\/p>\n\n\n\n

According to a\u00a0new study<\/a><\/strong>, abrupt (\u00b11-2\u00b0C per century) shifts in North Atlantic Sea surface temperature (SST) have occurred routinely over the last 9000 years. These decadal- to centennial-scale climate changes were \u201cinduced by Holocene summer insolation and atmosphere-ocean internal variability.\u201d<\/p>\n\n\n\n

The average SST throughout the 8.2 ka fluctuation was 10.0\u00b0C. The average 4.2 ka SST was 8.1\u00b0C. And during the Little Ice Age (LIA, 1600-1900 CE) the North Atlantic SSTs averaged 7.5\u00b0C.<\/p>\n\n\n\n

Since 1900, SSTs have been stable to declining, suggesting the modern period is the coldest of the Holocene.<\/p>\n\n\n\n

\"\"
Image Source:\u00a0Liu et al., 2025<\/a><\/strong><\/figcaption><\/figure>\n\n\n\n

North Atlantic SSTs have not warmed (net) in the last 120 years, or since the late 1800s.<\/p>\n\n\n\n

\"\"
Image Source:\u00a0Reverdin et al., 2018<\/a><\/strong><\/figcaption><\/figure>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

According to a\u00a0new study, abrupt (\u00b11-2\u00b0C per century) shifts in North Atlantic Sea surface temperature (SST) have occurred routinely over the last 9000 years. These decadal- to centennial-scale climate changes were \u201cinduced by Holocene summer insolation and atmosphere-ocean internal variability.\u201d<\/p>\n","protected":false},"author":121246920,"featured_media":387107,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","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_feature_clip_id":0,"_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":[691818056,691836333,691836332,691819281,691818873,691822276],"class_list":["post-387102","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-climate-change","tag-coldest-of-the-holocene","tag-last-9000-years","tag-little-ice-age","tag-north-atlantic","tag-sea-surface-temperature-sst","fallback-thumbnail"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/07\/0AQNIufr_LyzLiWjseRqh9t51BpXUnTki9ljFPn-bIBfLLeZoM_7gfvlh8TfDD8UOvRl6CaSZvKP_RD3kuI36ePF6rWiExQuAtl3eEEt0uMdUEebFexrrSNwo0ixuWL4SqPhvaq12xfaY5sEHHhY8u8O0D_od3A-1.jpeg?fit=1280%2C1280&ssl=1","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paxLW1-1CHA","jetpack-related-posts":[{"id":426755,"url":"https:\/\/climatescience.press\/?p=426755","url_meta":{"origin":387102,"position":0},"title":"New Study: A 4\u00b0C Warmer Beaufort Sea Had \u2018No Sea Ice\u2019 11,700 \u2013 8200 Years Ago","author":"uwe.roland.gross","date":"02\/17\/2026","format":false,"excerpt":"According to a\u00a0new study, there was \u201cno sea ice\u201d in the Arctic\u2019s Beaufort Sea from 11,700 to 8200 years ago.","rel":"","context":"In \"Atlantic meridional overturning circulation (AMOC)\"","block_context":{"text":"Atlantic meridional overturning circulation (AMOC)","link":"https:\/\/climatescience.press\/?tag=atlantic-meridional-overturning-circulation-amoc"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/04\/0arcticseaice.jpg?fit=1200%2C685&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/04\/0arcticseaice.jpg?fit=1200%2C685&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/04\/0arcticseaice.jpg?fit=1200%2C685&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/04\/0arcticseaice.jpg?fit=1200%2C685&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/04\/0arcticseaice.jpg?fit=1200%2C685&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":414093,"url":"https:\/\/climatescience.press\/?p=414093","url_meta":{"origin":387102,"position":1},"title":"The Deep Ocean May Be Colder Today Than Any Time in the Last 4.5 million Years","author":"uwe.roland.gross","date":"11\/21\/2025","format":false,"excerpt":"A\u00a0new study\u00a0finds Earth\u2019s bottom water temperatures (BWTs) have cooled by 2-3\u00b0C over the last 4.5 million years through to the pre-industrial era (1750).","rel":"","context":"In \"bottom water temperatures (BWTs)\"","block_context":{"text":"bottom water temperatures (BWTs)","link":"https:\/\/climatescience.press\/?tag=bottom-water-temperatures-bwts"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/11\/0AQMAVSVmiA3x530VV5I6sqrobTA0ag93dzfPQuzTMhKuWV8xYNXM51XkaZVvOUVDictRMmOaJydiQF1Uqd7g7SaBGNHbsMPA0h7XG0SRkdkuMJknTP_aUCu8jzi14p0_-1.jpeg?fit=1200%2C710&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/11\/0AQMAVSVmiA3x530VV5I6sqrobTA0ag93dzfPQuzTMhKuWV8xYNXM51XkaZVvOUVDictRMmOaJydiQF1Uqd7g7SaBGNHbsMPA0h7XG0SRkdkuMJknTP_aUCu8jzi14p0_-1.jpeg?fit=1200%2C710&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/11\/0AQMAVSVmiA3x530VV5I6sqrobTA0ag93dzfPQuzTMhKuWV8xYNXM51XkaZVvOUVDictRMmOaJydiQF1Uqd7g7SaBGNHbsMPA0h7XG0SRkdkuMJknTP_aUCu8jzi14p0_-1.jpeg?fit=1200%2C710&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/11\/0AQMAVSVmiA3x530VV5I6sqrobTA0ag93dzfPQuzTMhKuWV8xYNXM51XkaZVvOUVDictRMmOaJydiQF1Uqd7g7SaBGNHbsMPA0h7XG0SRkdkuMJknTP_aUCu8jzi14p0_-1.jpeg?fit=1200%2C710&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/11\/0AQMAVSVmiA3x530VV5I6sqrobTA0ag93dzfPQuzTMhKuWV8xYNXM51XkaZVvOUVDictRMmOaJydiQF1Uqd7g7SaBGNHbsMPA0h7XG0SRkdkuMJknTP_aUCu8jzi14p0_-1.jpeg?fit=1200%2C710&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":413772,"url":"https:\/\/climatescience.press\/?p=413772","url_meta":{"origin":387102,"position":2},"title":"The Cooling Also Not Our Fault\u00a02025","author":"uwe.roland.gross","date":"11\/18\/2025","format":false,"excerpt":"From Science Matters By\u00a0Ron Clutz With the lack of global warming and the steep decline of SSTs the last 2 years, climatists are pivoting to the notion invented by the infamous M. Mann, AKA Mr. Hockey Stick (aiming to erase the Medieval warming period).\u00a0 The reasoning is convoluted, as you\u2026","rel":"","context":"In \"Atlantic meridional overturning circulation (AMOC)\"","block_context":{"text":"Atlantic meridional overturning circulation (AMOC)","link":"https:\/\/climatescience.press\/?tag=atlantic-meridional-overturning-circulation-amoc"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/11\/0Screenshot-2025-11-17-094353.png?fit=1200%2C729&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/11\/0Screenshot-2025-11-17-094353.png?fit=1200%2C729&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/11\/0Screenshot-2025-11-17-094353.png?fit=1200%2C729&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/11\/0Screenshot-2025-11-17-094353.png?fit=1200%2C729&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/11\/0Screenshot-2025-11-17-094353.png?fit=1200%2C729&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":448066,"url":"https:\/\/climatescience.press\/?p=448066","url_meta":{"origin":387102,"position":3},"title":"The Missing Jet ‘Governor’: How a Hidden Barotropic Effect Explains Climate Models\u2019 Failure on India\u2019s Shifting Monsoon","author":"uwe.roland.gross","date":"06\/02\/2026","format":false,"excerpt":"The \"cold blob\" (also called the North Atlantic warming hole) is a region of unusually cool sea surface temperatures south of Greenland, in contrast to the overall warming of the global ocean. It is widely linked to a slowdown in the Atlantic Meridional Overturning Circulation (AMOC), which includes the Gulf\u2026","rel":"","context":"In \"\"barotropic governor\"\"","block_context":{"text":"\"barotropic governor\"","link":"https:\/\/climatescience.press\/?tag=barotropic-governor"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/0-The-Missing-Jet-Governor-How-a-Hidden-Barotropic-Effect-Explains-Climate-Models-Failure-on-Indias-Shifting-Monsoon.jpg?fit=1168%2C784&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/0-The-Missing-Jet-Governor-How-a-Hidden-Barotropic-Effect-Explains-Climate-Models-Failure-on-Indias-Shifting-Monsoon.jpg?fit=1168%2C784&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/0-The-Missing-Jet-Governor-How-a-Hidden-Barotropic-Effect-Explains-Climate-Models-Failure-on-Indias-Shifting-Monsoon.jpg?fit=1168%2C784&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/0-The-Missing-Jet-Governor-How-a-Hidden-Barotropic-Effect-Explains-Climate-Models-Failure-on-Indias-Shifting-Monsoon.jpg?fit=1168%2C784&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/0-The-Missing-Jet-Governor-How-a-Hidden-Barotropic-Effect-Explains-Climate-Models-Failure-on-Indias-Shifting-Monsoon.jpg?fit=1168%2C784&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":265079,"url":"https:\/\/climatescience.press\/?p=265079","url_meta":{"origin":387102,"position":4},"title":"What\u2019s causing the extremely warm temperatures in the North Atlantic?","author":"uwe.roland.gross","date":"07\/03\/2023","format":false,"excerpt":"With the Atlantic hurricane season underway, we are closely monitoring the exceptionally warm SSTs in the Atlantic.\u00a0 This post describes what has been happening and why.","rel":"","context":"In \"CO2\"","block_context":{"text":"CO2","link":"https:\/\/climatescience.press\/?tag=co2"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/07\/00-North-Atlantic.jpeg?fit=1200%2C876&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/07\/00-North-Atlantic.jpeg?fit=1200%2C876&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/07\/00-North-Atlantic.jpeg?fit=1200%2C876&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/07\/00-North-Atlantic.jpeg?fit=1200%2C876&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/07\/00-North-Atlantic.jpeg?fit=1200%2C876&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":273602,"url":"https:\/\/climatescience.press\/?p=273602","url_meta":{"origin":387102,"position":5},"title":"State of the climate \u2013 summer 2023","author":"uwe.roland.gross","date":"08\/15\/2023","format":false,"excerpt":"A deep dive into the causes of the unusual weather\/climate during 2023.\u00a0 People are blaming fossil-fueled warming and El Nino, and now the Hunga-Tonga eruption and the change in ship fuels.\u00a0 But the real story is more complicated.","rel":"","context":"In \"Antarctic sea ice\"","block_context":{"text":"Antarctic sea ice","link":"https:\/\/climatescience.press\/?tag=antarctic-sea-ice"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/08\/image-610.png?fit=1024%2C1024&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/08\/image-610.png?fit=1024%2C1024&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/08\/image-610.png?fit=1024%2C1024&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/08\/image-610.png?fit=1024%2C1024&ssl=1&resize=700%2C400 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/posts\/387102","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=387102"}],"version-history":[{"count":4,"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/posts\/387102\/revisions"}],"predecessor-version":[{"id":387110,"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/posts\/387102\/revisions\/387110"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/media\/387107"}],"wp:attachment":[{"href":"https:\/\/climatescience.press\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=387102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=387102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=387102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}