{"id":216054,"date":"2024-09-28T22:09:00","date_gmt":"2024-09-28T19:09:00","guid":{"rendered":"https:\/\/life.karpat.in.ua\/?p=216054"},"modified":"2024-09-28T12:11:15","modified_gmt":"2024-09-28T09:11:15","slug":"megfejtettek-mi-okozza-a-mariana-arok-melyerol-erkezo-kiserteties-hangot","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=216054&lang=hu","title":{"rendered":"Megfejtett\u00e9k, mi okozza a Mariana-\u00e1rok m\u00e9ly\u00e9r\u0151l \u00e9rkez\u0151 k\u00eds\u00e9rteties hangot"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Amerikai kutat\u00f3k t\u00edz \u00e9ven \u00e1t kerest\u00e9k a v\u00e1laszt arra, mi adhat ki rendk\u00edv\u00fcl furcsa, egy sci-fi \u0171rhaj\u00f3j\u00e1nak hangj\u00e1t id\u00e9z\u0151 hangot a Mariana-\u00e1rok m\u00e9ly\u00e9r\u0151l.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00edz \u00e9v ut\u00e1n v\u00e9gre megold\u00f3dott a rejt\u00e9ly, hogy mi okozza a Mariana-\u00e1rokb\u00f3l \u00e9rkez\u0151 k\u00eds\u00e9rteties hangokat. A vil\u00e1g legm\u00e9lyebb \u2013 10 935 m\u00e9ter m\u00e9ly \u2013 \u00f3ce\u00e1ni \u00e1rka fel\u0151l m\u00e9g 2014-ben hallottak el\u0151sz\u00f6r a tud\u00f3sok k\u00fcl\u00f6n\u00f6s hangokat, mik\u00f6zben akusztikus felm\u00e9r\u00e9seket v\u00e9geztek a m\u00e9lyben.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"370\" src=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2024\/09\/e52ec706-9bb5-4b2e-b041-3fd5d98cf50f.jpg\" alt=\"\" class=\"wp-image-216055\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2024\/09\/e52ec706-9bb5-4b2e-b041-3fd5d98cf50f.jpg 800w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2024\/09\/e52ec706-9bb5-4b2e-b041-3fd5d98cf50f-300x139.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2024\/09\/e52ec706-9bb5-4b2e-b041-3fd5d98cf50f-768x355.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">A hang k\u00e9t k\u00fcl\u00f6n\u00e1ll\u00f3 r\u00e9szre bonthat\u00f3: az egyik egy m\u00e9ly, robusztus hangra, amely a m\u00e9lyben t\u00f6bb helyr\u0151l is visszaver\u0151dik, m\u00edg a m\u00e1sik egy magas hang\u00fa f\u00e9mes recseg\u00e9s, amit a kutat\u00f3k a Star Trekben \u00e9s a Csillagok h\u00e1bor\u00faj\u00e1ban l\u00e1tott \u0171rhaj\u00f3k \u00e1ltal kiadott hangokhoz hasonl\u00edtottak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A kutat\u00f3k nem tudt\u00e1k mire v\u00e9lni a hangokat. B\u00e1r el\u0151sz\u00f6r azt gondolt\u00e1k, hogy a k\u00e9k b\u00e1ln\u00e1k (Balaenoptera musculus) vagy a hossz\u00fasz\u00e1rny\u00fa b\u00e1ln\u00e1k (Megaptera novaeangliae) adhatj\u00e1k azt ki, kider\u00fclt, hogy a r\u00f6gz\u00edtett hang egyetlen ismert b\u00e1ln\u00e1hoz sem t\u00e1rs\u00edthat\u00f3. \u00dagy t\u0171nik azonban, az amerikai Nemzeti \u00d3ce\u00e1n- \u00e9s L\u00e9gk\u00f6rkutat\u00e1si Hivatal (NOAA) tud\u00f3sainak siker\u00fclt megfejteni\u00fck a rejt\u00e9lyt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A Frontiers in Marine Science tudom\u00e1nyos lapban megjelent publik\u00e1ci\u00f3 szerint a hang forr\u00e1s\u00e1nak a Bryde-b\u00e1lna (vagy tr\u00f3pusi b\u00e1lna, Balaenoptera edeni) tekinthet\u0151, a szakemberek pedig \u00fagy v\u00e9lik, a hang seg\u00edts\u00e9g\u00e9vel az \u00e1llatok megtal\u00e1lhatj\u00e1k egym\u00e1st. A felfedez\u00e9shez a mesters\u00e9ges intelligencia is hozz\u00e1j\u00e1rult, amellyel a kutat\u00f3k 200 ezer \u00f3r\u00e1nyi hangfelv\u00e9telt tudtak \u00e1tn\u00e9zni \u2013 \u00edrja a LiveScience.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Biotwang (Mariana trenches audio)\" width=\"500\" height=\"281\" data-mhmlazyloadvideo=\"66f7c7f91ef9a\" data-src=\"https:\/\/www.youtube.com\/embed\/Hq88Lc_Xjwk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><script data-plugin=\"mhm_lazyloadvideo\">mhmlazyloadvideo(\"66f7c7f91ef9a\");<\/script><noscript><iframe title=\"Biotwang (Mariana trenches audio)\" width=\"500\" height=\"281\" data-mhmlazyloadvideo=\"6a233cb7e457c\" data-src=\"https:\/\/www.youtube.com\/embed\/Hq88Lc_Xjwk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/noscript><script data-plugin=\"mhm_lazyloadvideo\">mhmlazyloadvideo(\"6a233cb7e457c\");<\/script><noscript><iframe title=\"Biotwang (Mariana trenches audio)\" width=\"500\" height=\"281\" data-mhmlazyloadvideo=\"66f7c7f91ef9a\" data-src=\"https:\/\/www.youtube.com\/embed\/Hq88Lc_Xjwk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><script data-plugin=\"mhm_lazyloadvideo\">mhmlazyloadvideo(\"66f7c7f91ef9a\");<\/script><noscript><iframe loading=\"lazy\" title=\"Biotwang (Mariana trenches audio)\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/Hq88Lc_Xjwk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/noscript><\/noscript>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A szakemberek akkor kezdt\u00e9k gyan\u00edtani, hogy a Bryde-b\u00e1lna lehet a forr\u00e1s, amikor a Mariana-\u00e1rok k\u00f6zel\u00e9ben 10 p\u00e9ld\u00e1nyt tal\u00e1ltak, amelyb\u0151l kilenc adtak ki a jellegzetes hangot. Ann Allen, a tanulm\u00e1ny vezet\u0151 szerz\u0151je szerint egy m\u00e9g lehet v\u00e9letlen, kett\u0151 v\u00e9letlen egybees\u00e9s, kilenc viszont m\u00e1r a forr\u00e1st jel\u00f6lheti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ahhoz azonban, hogy kider\u00fclj\u00f6n, val\u00f3ban ezek az \u00e1llatok felel\u0151sek-e a kiadott hang\u00e9rt, az \u00e9vek sor\u00e1n a k\u00f6rny\u00e9ken r\u00f6gz\u00edtett hangfelv\u00e9teleket is \u00e1t kellett n\u00e9zni. Ehhez el\u0151sz\u00f6r k\u00e9pp\u00e9 \u2013 spektogramm\u00e1 \u2013 kellett alak\u00edtani a hangot, hogy azt\u00e1n az algoritmusnak is k\u00f6nnyebb legyen egyez\u00e9st tal\u00e1lnia. Ezut\u00e1n m\u00e1r k\u00f6nny\u0171 volt bizony\u00edtani az egyez\u00e9st.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A tanulm\u00e1ny azt is meg\u00e1llap\u00edtotta, hogy a hangot csak a Csendes-\u00f3ce\u00e1n \u00e9szaknyugati r\u00e9sz\u00e9n lehetett hallani, annak ellen\u00e9re, hogy az \u00e1llatok sokkal nagyobb ter\u00fcletet lefedve v\u00e1ndorolnak. Hogy pontosan mi\u00e9rt adj\u00e1k ki ezt a hangot, egyel\u0151re nem tudni, de a kutat\u00f3k \u00fagy sejtik, hogy ezzel tarthatj\u00e1k egym\u00e1ssal a kapcsolatot.<\/p>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><strong><a href=\"https:\/\/hvg.hu\/tudomany\/20240923_mariana-arok-mely-rejtelyes-hang-vizsgalat-eredmeny#rss\" target=\"_blank\" rel=\"noreferrer noopener\">(hvg.hu)<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Amerikai kutat\u00f3k t\u00edz \u00e9ven \u00e1t kerest\u00e9k a v\u00e1laszt arra, mi adhat ki rendk\u00edv\u00fcl furcsa, egy sci-fi \u0171rhaj\u00f3j\u00e1nak hangj\u00e1t id\u00e9z\u0151 hangot a Mariana-\u00e1rok m\u00e9ly\u00e9r\u0151l.<\/p>\n","protected":false},"author":12,"featured_media":216055,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,596,598,25,39],"tags":[1343122,1343123],"class_list":["post-216054","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-erdekes","category-tudomany","category-videok","category-vilag","tag-marianna-arok","tag-radiohullamok"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/216054","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=216054"}],"version-history":[{"count":1,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/216054\/revisions"}],"predecessor-version":[{"id":216056,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/216054\/revisions\/216056"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/216055"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=216054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=216054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=216054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}