{"id":317595,"date":"2024-04-14T08:21:04","date_gmt":"2024-04-14T06:21:04","guid":{"rendered":"https:\/\/climatescience.press\/?p=317595"},"modified":"2024-04-14T08:21:07","modified_gmt":"2024-04-14T06:21:07","slug":"three-more-new-temperature-reconstructions-document-a-warmer-medieval-period","status":"publish","type":"post","link":"https:\/\/climatescience.press\/?p=317595","title":{"rendered":"\u00a0Three More New Temperature Reconstructions Document A Warmer Medieval Period"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

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

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

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

The North Atlantic, the Pacific Northwest (USA), and northern Finland were all warmer than today between 1000 and 2000 years ago.<\/strong><\/p>\n\n\n\n

Today\u2019s (2000 CE) July air temperatures in the Azores \u2013 archipelago islands in the middle North Atlantic, ~1400 km west of Portugal \u2013 are visually shown to average about 10 to 11\u00b0C in a newly published reconstruction (Raposeiro et al., 2024<\/a><\/strong>).<\/p>\n\n\n\n

This average air temperature is about 1 to 2\u00b0C warmer than this location\u2019s Little Ice Age climate, or the coldest period (~9.1\u00b0C from 1750-1800) of the last 2000 years. However, the Medieval Climate Anomaly (MCA) had temperatures reaching into the 13-15\u00b0C range, which is 3-4\u00b0C warmer than modern.<\/p>\n\n\n\n

\"\"
Image Source:\u00a0Raposeiro et al., 2024<\/a><\/strong><\/figcaption><\/figure>\n\n\n\n

A temperature reconstruction from a lake in the USA\u2019s Pacific Northwest (Baig, 2024<\/a><\/strong>) indicates glacial temperatures were only 1.0 to 1.6\u00b0C colder than the modern temperature, 12.2\u00b0C. Temperatures reached 13.7\u00b0C, or 1.5\u00b0C warmer than today, ~2500 years ago, and then fluctuated between 12.6 and 12.2\u00b0C from 1900 years ago until today, a period encompassing both the Medieval Warm Period and Little Ice Age.<\/p>\n\n\n\n

\"\"
Image Source:\u00a0Baig, 2024<\/a><\/strong><\/figcaption><\/figure>\n\n\n\n

Another lake sediment temperature reconstruction using branched glycerol dialkyl glycerol tetraethers (brGDGTs) from northern Finland (Otiniano et al., 2024<\/a><\/strong>) suggests the modern temperature (represented as the blue diamond) is among the coldest of the last ~8000 years. Temperatures were much warmer than modern about 1200 to 1500 years ago, and throughout the period from 7000 to 3000 years ago.<\/p>\n\n\n

\n
\"\"
Image Source:\u00a0Otiniano et al., 2024<\/a><\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

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

The North Atlantic, the Pacific Northwest (USA), and northern Finland were all warmer than today between 1000 and 2000 years ago.<\/p>\n","protected":false},"author":121246920,"featured_media":317602,"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":[691828120,691828122,691828121,691828119,691828118],"class_list":{"0":"post-317595","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-uncategorized","8":"tag-azores","9":"tag-medieval-climate-anomaly-mca","10":"tag-northern-finland","11":"tag-usas-pacific-northwest","12":"tag-warmer-medieval-period","14":"fallback-thumbnail"},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/04\/0-Warmer-Medieval-Period.jpeg?fit=1688%2C1688&ssl=1","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paxLW1-1kCv","jetpack-related-posts":[{"id":376187,"url":"https:\/\/climatescience.press\/?p=376187","url_meta":{"origin":317595,"position":0},"title":"New 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