{"id":16877,"date":"2026-03-19T12:10:04","date_gmt":"2026-03-19T10:10:04","guid":{"rendered":"https:\/\/ultimabozza.it\/antarctica-warming-destabilizes-climate\/"},"modified":"2026-03-19T15:12:57","modified_gmt":"2026-03-19T13:12:57","slug":"antarctica-warming-destabilizes-climate","status":"publish","type":"post","link":"https:\/\/ultimabozza.it\/en\/antarctica-warming-destabilizes-climate\/","title":{"rendered":"Antarctica, warming destabilizes climate"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">It&#8217;s not just a matter of melting ice. <strong>Something decisive is changing in <a href=\"https:\/\/ultimabozza.it\/en\/antarctica-12800-square-kilometers-of-ice-lost-in-30-years\/\">Antarctica<\/a>: the behavior of the atmosphere<\/strong>. From the mid-twentieth century to the present, especially on the Antarctic Peninsula, surface temperatures have increased significantly, triggering a transformation affecting the lower layers of air. <\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.media.enea.it\/comunicati-e-news\/archivio-anni\/anno-2026\/ambiente-enea-il-riscaldamento-dell-antartide-modifica-la-stabilita-dell-atmosfera.html\">This is the finding of a study<\/a> coordinated by ENEA together with six international scientific institutions and published in the <em>Journal of Climate.<\/em> The key finding is the <strong>progressive loss of atmospheric stability near the ground-a direct effect of warming <\/strong>that changes the way energy and air flows are distributed over the White Continent. <\/p>\n\n<p class=\"wp-block-paragraph\">In other words, Antarctica is no longer that<strong>&#8220;stable capsule<\/strong>&#8221; that for decades helped maintain a balance in global atmospheric dynamics.<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-l-aumento-delle-onde-invisibili\"><strong>The rise of invisible waves<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">This loss of stability has a crucial consequence: <strong>it encourages the formation of so-called atmospheric gravity waves.<\/strong> They have nothing to do with gravitational waves in deep space: they are air oscillations generated when air masses are disturbed and try to return to equilibrium. <\/p>\n\n<p class=\"wp-block-paragraph\">The Antarctic Peninsula has always been a major source area for these waves. But today something is changing. The study shows for the first time a marked and consistent increase in these phenomena, linked precisely to surface warming and changes in lower atmospheric flows.  <\/p>\n\n<p class=\"wp-block-paragraph\">In a more unstable atmosphere, these waves arise more easily and are able to propagate with greater intensity upward through the entire atmospheric column.<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-dall-antartide-alla-stratosfera-effetti-globali\"><strong>From Antarctica to the stratosphere: global effects<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">The most relevant point is that these changes do not remain confined to the Antarctic continent. Atmospheric gravity waves travel to the stratosphere and beyond, affecting circulation on a global scale. They can alter the behavior of the polar vortex, affect the processes that regulate ozone, and help change the weather even in the mid-latitudes, that is, our own.  <\/p>\n\n<p class=\"wp-block-paragraph\">This is where the picture becomes more interesting &#8211; and also more disturbing. An increase in these waves is a sign of a deeper reorganization of the Earth&#8217;s climate machine. This is not an isolated effect, but a gear that is shifting, with possible cascading repercussions.  <\/p>\n\n<p class=\"wp-block-paragraph\">The results are not based on a single observational method. The researchers integrated data from weather stations, satellite observations, climate reanalyses and model simulations. All indicators converge in the same direction: <strong>the intensity and frequency of gravity waves are increasing<\/strong>.  <\/p>\n\n<p class=\"wp-block-paragraph\">A signal deemed so relevant that the study was selected by the American Meteorological Society among the <em>Early Online Highlights<\/em>, a kind of showcase for scientific contributions considered most significant internationally.<\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-un-campanello-d-allarme-poco-visibile\"><strong>A dimly visible wake-up call<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Global warming is often told through powerful images: collapsing glaciers, calving icebergs, rising sea levels. But there are less visible signs, like this one, that tell of even deeper transformations. <\/p>\n\n<p class=\"wp-block-paragraph\">The change in the stability of the Antarctic atmosphere and the increase in gravity waves is one of them. A technical, almost invisible phenomenon, but one that could have very real effects on global climate. After all, it is the classic climate paradox: the most decisive transformations are often the ones that are unseen. And that is precisely why they are likely to come when it is too late to ignore them.   <\/p>\n","protected":false},"excerpt":{"rendered":"<p>From the Antarctic Peninsula a new clue to global warming: not just failing ice, but also an atmosphere losing stability and altering the planet&#8217;s equilibrium<\/p>\n","protected":false},"author":15,"featured_media":16878,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowscnaCw:productID":"","_app_feed_target":"","footnotes":""},"categories":[1597,28],"tags":[1868,1767],"class_list":["post-16877","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-climate-crisis","category-senza-categoria","tag-antarctica","tag-climate"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.5 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Antarctica, warming destabilizes climate &#8226; 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