{"id":362457,"date":"2025-01-17T07:17:59","date_gmt":"2025-01-17T06:17:59","guid":{"rendered":"https:\/\/climatescience.press\/?p=362457"},"modified":"2025-02-04T10:37:51","modified_gmt":"2025-02-04T09:37:51","slug":"critical-ocean-current-has-not-declined-in-the-last-60-years-amoc-study-finds","status":"publish","type":"post","link":"https:\/\/climatescience.press\/?p=362457","title":{"rendered":"<\/font>Critical ocean current has not declined in the last 60 years, AMOC study\u00a0finds"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

From Tallbloke’s Talkshop<\/a><\/p>\n\n\n\n

The headline says it all. Time for persistent AMOC worriers like the BBC<\/a> to pack up their coulds, mights and maybes and move on to other speculations. AMOC has many variables and alarmist guessing games are a waste of time.<\/em>
\u2013 \u2013 \u2013
Earth, being 71% covered in water, is influenced by the ocean and its movements, says Phys.org<\/a><\/em>.<\/p>\n\n\n\n

In the Atlantic Ocean, a system of connected currents, called the Atlantic Meridional Overturning Circulation (AMOC), moves water throughout the world\u2019s oceans powered by a combination of winds and ocean density.<\/p>\n\n\n\n

It not only distributes the ocean\u2019s heat, moisture, and nutrients, but regulates the Earth\u2019s climate and weather.<\/p>\n\n\n\n

As the climate is continuously changing and the atmosphere is warming, many scientists fear that fresh water from melting polar ice sheets could significantly disrupt\u2014or collapse\u2014the AMOC. While a decline of the AMOC would have grave consequences, a collapse would be truly catastrophic.<\/p>\n\n\n\n

However, studies about the AMOC\u2019s long term future are uncertain. Instead of predicting the future, a team of scientists from Woods Hole Oceanographic Institution (WHOI) quantified the past to help inform where we could be going.<\/p>\n\n\n\n

In a new paper published in Nature Communications, scientists found that the AMOC has not declined in the last 60 years.<\/p>\n\n\n\n

Authors Nicholas P. Foukal, adjunct scientist in Physical Oceanography at WHOI and assistant professor at the University of Georgia; Jens Terhaar, affiliated scientist at WHOI and senior scientist at the University of Bern; and Linus Vogt, visiting student at WHOI when he started to work on this study and now scientist at LOCEAN, Sorbonne Universit\u00e9, say their results mean that the AMOC is currently more stable than expected.<\/p>\n\n\n\n

\u201cOur paper says that the Atlantic overturning has not declined yet,\u201d said Foukal, who conducted the research while at WHOI. \u201cThat doesn\u2019t say anything about its future, but it doesn\u2019t appear the anticipated changes have occurred yet.\u201d<\/p>\n\n\n\n

Their findings contrast with previous work, notably a paper from 2018 cited in their study, which reported that the AMOC has declined over the last 70 years.<\/p>\n\n\n\n

This past work relied on sea surface temperature measurements to understand how the AMOC has changed, but \u201cwe\u2019ve learned that sea surface temperature doesn\u2019t work as well as initially thought,\u201d said Terhaar, who began leading this study at WHOI as a postdoctoral scientist and completed the work in Bern.
. . .
The paper states that air-sea heat flux anomalies in the North Atlantic are tightly linked to the AMOC and that \u201cthe decadal averaged AMOC has not weakened from 1963 to 2017.\u201d<\/p>\n\n\n\n

Since there are many processes that lead to large year-to-year variability in the AMOC, the air-sea heat flux and the AMOC are correlated strongest at those timescales, as opposed to annual averages.<\/p>\n\n\n\n

Full article here<\/a><\/em>.
\u2013 \u2013 \u2013
Image credit: researchgate.net<\/em><\/font><\/p>\n","protected":false},"excerpt":{"rendered":"

The headline says it all. Time for persistent AMOC worriers\u00a0like the BBC\u00a0to pack up their coulds, mights and maybes and move on to other speculations. AMOC has many variables and alarmist guessing games are a waste of time.<\/p>\n","protected":false},"author":121246920,"featured_media":362458,"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_seo_schema_type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_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":[691821384],"class_list":["post-362457","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-atlantic-meridional-overturning-circulation-amoc","fallback-thumbnail"],"jetpack_publicize_connections":[],"jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paxLW1-1wi5","jetpack-related-posts":[{"id":342652,"url":"https:\/\/climatescience.press\/?p=342652","url_meta":{"origin":362457,"position":0},"title":"Shock Gulf Stream News:\u00a0Top U.S. Scientists Find Flow Not Collapsing But \u201cRemarkably Stable\u201d Over Last 40 Years","author":"uwe.roland.gross","date":"09\/11\/2024","format":false,"excerpt":"Last year, Georgina Rannard of the BBC reported that \u201cscientists say\u201d a weakening Gulf Stream could collapse\u00a0as early as this year, a dire process that would bring catastrophic changes in the weather in the northern hemisphere. 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