{"id":68242,"date":"2024-05-19T17:23:22","date_gmt":"2024-05-19T22:23:22","guid":{"rendered":"https:\/\/olduvai.ca\/?p=68242"},"modified":"2024-05-19T17:23:22","modified_gmt":"2024-05-19T22:23:22","slug":"tree-rings-reveal-summer-2023-was-the-hottest-in-2-millennia","status":"publish","type":"post","link":"https:\/\/olduvai.ca\/?p=68242","title":{"rendered":"Tree rings reveal summer 2023 was the hottest in 2 millennia"},"content":{"rendered":"<div id=\"hero\" class=\"clear-both widget widget-hero widget-hero widget-hero-hero widget-hero widget-hero-fter-news\" data-widget-type=\"hero\">\n<div class=\"news-article\">\n<header>\n<h3><a href=\"https:\/\/www.livescience.com\/planet-earth\/climate-change\/tree-rings-reveal-summer-2023-was-the-hottest-in-2-millennia\">Tree rings reveal summer 2023 was the hottest in 2 millennia<\/a><\/h3>\n<div class=\"byline-social\">\n<p class=\"strapline\">Tree rings suggest the Northern Hemisphere summer of 2023 was the hottest in 2,000 years, with temperatures exceeding those of the coldest summer in the same period by 7 degrees Fahrenheit (3.9 Celsius).<img decoding=\"async\" class=\" block-image-ads hero-image\" src=\"https:\/\/cdn.mos.cms.futurecdn.net\/FTop7nDWRbWKDwJjk34jUH-320-80.jpg\" sizes=\"(min-width: 1000px) 600px, calc(100vw - 40px)\" srcset=\"https:\/\/cdn.mos.cms.futurecdn.net\/FTop7nDWRbWKDwJjk34jUH-320-80.jpg 320w, https:\/\/cdn.mos.cms.futurecdn.net\/FTop7nDWRbWKDwJjk34jUH-480-80.jpg 480w, https:\/\/cdn.mos.cms.futurecdn.net\/FTop7nDWRbWKDwJjk34jUH-650-80.jpg 650w, https:\/\/cdn.mos.cms.futurecdn.net\/FTop7nDWRbWKDwJjk34jUH-970-80.jpg 970w, https:\/\/cdn.mos.cms.futurecdn.net\/FTop7nDWRbWKDwJjk34jUH-1024-80.jpg 1024w, https:\/\/cdn.mos.cms.futurecdn.net\/FTop7nDWRbWKDwJjk34jUH-1200-80.jpg 1200w, https:\/\/cdn.mos.cms.futurecdn.net\/FTop7nDWRbWKDwJjk34jUH-1920-80.jpg 1920w\" alt=\"Three women sit on a beach in Mumbai, India, and hold a cloth over their heads to protect themselves from the scorching sun.\" data-original-mos=\"https:\/\/cdn.mos.cms.futurecdn.net\/FTop7nDWRbWKDwJjk34jUH.jpg\" data-pin-media=\"https:\/\/cdn.mos.cms.futurecdn.net\/FTop7nDWRbWKDwJjk34jUH.jpg\" \/><\/p>\n<\/div>\n<\/header>\n<\/div>\n<\/div>\n<div id=\"content\" class=\"clear-both widget widget-contentparsed widget-content widget-contentparsed-content widget-content-parsed widget-content-parsed-content_document \" data-widget-type=\"contentparsed\">\n<div class=\"wcp-item-content\">\n<section class=\"content-wrapper\">\n<div class=\"box less-space hero-image-wrapper\"><span class=\"caption-text\">A photo taken in May 2024 shows three women shielding themselves from the scorching sun with a cloth in Mumbai, India.<\/span>\u00a0<span class=\"credit\">(Image credit: SOPA Images \/ Contributor via Getty Images)<\/span><\/div>\n<div class=\"left-rail-area\"><\/div>\n<div id=\"article-body\" class=\"text-copy bodyCopy auto\">\n<div><\/div>\n<p>Last year&#8217;s summer was the hottest in 2,000 years, ancient tree rings reveal.<\/p>\n<p>Researchers already knew that 2023 was one for the books, with average temperatures soaring past anything recorded since 1850. But there are no measurements stretching further back than that date, and even the available data is patchy, according to a study published Tuesday (May 14) in the journal\u00a0<a href=\"http:\/\/dx.doi.org\/10.1038\/s41586-024-07512-y\" target=\"_blank\" rel=\"noopener\" data-analytics-id=\"inline-link\" data-url=\"http:\/\/dx.doi.org\/10.1038\/s41586-024-07512-y\" data-hl-processed=\"none\" data-component-tracked=\"1\"><u>Nature<\/u><\/a>. So, to determine whether 2023 was an exceptionally hot year relative to the millennia that preceded it, the study authors turned to records kept by nature.<\/p>\n<aside class=\"hawk-nest hawk-processed\" data-render-type=\"fte\" data-skip=\"dealsy\" data-widget-type=\"seasonal\" data-widget-id=\"62e385f5-cda2-4321-8f49-cc02d1d3d8c8\" data-result=\"missing\">\n<div class=\"hawk-master-widget-hawk-wrapper\"><\/div>\n<\/aside>\n<p>Trees\u00a0<a href=\"https:\/\/climate.nasa.gov\/news\/2540\/tree-rings-provide-snapshots-of-earths-past-climate\/\" target=\"_blank\" rel=\"noopener\" data-analytics-id=\"inline-link\" data-url=\"https:\/\/climate.nasa.gov\/news\/2540\/tree-rings-provide-snapshots-of-earths-past-climate\/\" data-hl-processed=\"none\" data-component-tracked=\"1\"><u>provide a snapshot of past climates<\/u><\/a>, because they are sensitive to changes in rainfall and temperature. This information is crystalized in their growth rings, which grow wider in warm, wet years than they do in cold, dry years. The scientists examined\u00a0<a href=\"https:\/\/doi.org\/10.1016\/j.dendro.2020.125757\" target=\"_blank\" rel=\"noopener\" data-analytics-id=\"inline-link\" data-url=\"https:\/\/doi.org\/10.1016\/j.dendro.2020.125757\" data-hl-processed=\"none\" data-component-tracked=\"1\"><u>available tree-ring data<\/u><\/a>\u00a0dating back to the height of the\u00a0<a href=\"https:\/\/www.livescience.com\/ancient-rome\" data-analytics-id=\"inline-link\" data-before-rewrite-localise=\"https:\/\/www.livescience.com\/ancient-rome\" data-component-tracked=\"1\"><u>Roman Empire<\/u><\/a>\u00a0and concluded that 2023 really was a standout, even when accounting for natural variations in climate over time.<\/p>\n<div class=\"more-about__card --related --inline\">\n<div class=\"more-about__cardHeader\">READ MORE<\/div>\n<div class=\"more-about__cardItems\">\n<div class=\"more-about__cardBody\">\n<p>This was the hottest summer ever recorded on Earth<\/p>\n<\/div>\n<div class=\"more-about__cardBody\">\n<p>Experts are certain 2023 will be &#8216;the warmest year in recorded history&#8217;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>&#8220;When you look at the long sweep of history, you can see just how dramatic recent\u00a0<a href=\"https:\/\/www.livescience.com\/37003-global-warming.html\" data-analytics-id=\"inline-link\" data-before-rewrite-localise=\"https:\/\/www.livescience.com\/37003-global-warming.html\" data-component-tracked=\"1\"><u>global warming<\/u><\/a>\u00a0is,&#8221; co-author\u00a0<a href=\"https:\/\/www.geog.cam.ac.uk\/people\/buentgen\/\" target=\"_blank\" rel=\"noopener\" data-analytics-id=\"inline-link\" data-url=\"https:\/\/www.geog.cam.ac.uk\/people\/buentgen\/\" data-hl-processed=\"none\" data-component-tracked=\"1\"><u>Ulf B\u00fcntgen<\/u><\/a>, a professor of environmental systems analysis at the University of Cambridge in the U.K., said in a\u00a0<a href=\"https:\/\/phys.org\/news\/2024-05-hottest-summer-years.html\" target=\"_blank\" rel=\"noopener\" data-analytics-id=\"inline-link\" data-url=\"https:\/\/phys.org\/news\/2024-05-hottest-summer-years.html\" data-hl-processed=\"none\" data-component-tracked=\"1\"><u>statement<\/u><\/a>. The data indicated that &#8220;2023 was an exceptionally hot year, and this trend will continue unless we reduce\u00a0<a href=\"https:\/\/www.livescience.com\/37821-greenhouse-gases.html\" data-analytics-id=\"inline-link\" data-before-rewrite-localise=\"https:\/\/www.livescience.com\/37821-greenhouse-gases.html\" data-component-tracked=\"1\"><u>greenhouse gas<\/u><\/a>\u00a0emissions dramatically,&#8221; he said.<\/p>\n<figure class=\"van-image-figure inline-layout\" data-bordeaux-image-check=\"\">\n<div class=\"image-full-width-wrapper\">\n<div class=\"image-widthsetter\">\n<p class=\"vanilla-image-block\"><picture><source srcset=\"https:\/\/cdn.mos.cms.futurecdn.net\/9PTuinrk4hKnq9U99fE22B-320-80.jpg.webp 320w, https:\/\/cdn.mos.cms.futurecdn.net\/9PTuinrk4hKnq9U99fE22B-480-80.jpg.webp 480w, https:\/\/cdn.mos.cms.futurecdn.net\/9PTuinrk4hKnq9U99fE22B-650-80.jpg.webp 650w, https:\/\/cdn.mos.cms.futurecdn.net\/9PTuinrk4hKnq9U99fE22B-970-80.jpg.webp 970w, https:\/\/cdn.mos.cms.futurecdn.net\/9PTuinrk4hKnq9U99fE22B-1024-80.jpg.webp 1024w, https:\/\/cdn.mos.cms.futurecdn.net\/9PTuinrk4hKnq9U99fE22B-1200-80.jpg.webp 1200w\" type=\"image\/webp\" sizes=\"(min-width: 1000px) 970px, calc(100vw - 40px)\" \/><\/picture><\/p>\n<\/div>\n<\/div>\n<\/figure>\n<p>&#8230;click on the above link to read the rest of the article&#8230;<\/p>\n<\/div>\n<\/section>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Tree rings reveal summer 2023 was the hottest in 2 millennia Tree rings suggest the Northern Hemisphere summer of 2023 was the hottest in 2,000 years, with temperatures exceeding those of the coldest summer in the same period by 7 degrees Fahrenheit (3.9 Celsius). A photo taken in May 2024 shows three women shielding themselves [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[4],"tags":[141,288,369,1144,3288,8123,34607,34608],"class_list":["post-68242","post","type-post","status-publish","format-standard","hentry","category-environment","tag-climate-change","tag-extreme-weather","tag-global-warming","tag-heat","tag-heatwave","tag-livescience","tag-sascha-pare","tag-tree-rings"],"_links":{"self":[{"href":"https:\/\/olduvai.ca\/index.php?rest_route=\/wp\/v2\/posts\/68242","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/olduvai.ca\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/olduvai.ca\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/olduvai.ca\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/olduvai.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=68242"}],"version-history":[{"count":1,"href":"https:\/\/olduvai.ca\/index.php?rest_route=\/wp\/v2\/posts\/68242\/revisions"}],"predecessor-version":[{"id":68243,"href":"https:\/\/olduvai.ca\/index.php?rest_route=\/wp\/v2\/posts\/68242\/revisions\/68243"}],"wp:attachment":[{"href":"https:\/\/olduvai.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=68242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/olduvai.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=68242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/olduvai.ca\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=68242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}