{"id":186293,"date":"2024-05-05T22:07:00","date_gmt":"2024-05-05T19:07:00","guid":{"rendered":"https:\/\/life.karpat.in.ua\/?p=186293"},"modified":"2024-05-05T01:47:24","modified_gmt":"2024-05-04T22:47:24","slug":"rejtelyes-lyuk-jelent-meg-az-antarktiszon","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=186293&lang=hu","title":{"rendered":"Rejt\u00e9lyes lyuk jelent meg az Antarktiszon"},"content":{"rendered":"\n

Egy Sv\u00e1jc ter\u00fclet\u00e9vel nagyj\u00e1b\u00f3l megegyez\u0151 m\u00e9ret\u0171 lyuk 1974 \u00f3ta id\u0151nk\u00e9nt kiny\u00edlik az Antarktisz jeg\u00e9n. A Maud Rise poliny\u00e1ra (a polinya tengeri j\u00e9ggel k\u00f6r\u00fclvett ny\u00edlt v\u00edzter\u00fclet f\u00f6ldrajzi elnevez\u00e9se) a Weddell-tengen\u00e9l bukkantak 50 \u00e9ve, \u00e9s az\u00f3ta t\u00f6bbsz\u00f6r is megny\u00edlt, b\u00e1r nem mindig ugyanakkor\u00e1ra, de mindig ugyanott. Ez komoly fejt\u00f6r\u00e9st okozott a kutat\u00f3knak \u2013 \u00edrja a Live Science.<\/strong><\/p>\n\n\n\n

2016 \u00e9s 2017 tel\u00e9n k\u00f6r\u00fclbel\u00fcl 80 ezer n\u00e9gyzetkilom\u00e9ter sz\u00e9lesre ny\u00edlt meg t\u00f6bb h\u00e9tre, \u00e9s ekkor v\u00e9gre siker\u00fclt felfedni, hogy mi magyar\u00e1zza a jelens\u00e9get.<\/p>\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n

T\u00e9len az antarktiszi j\u00e9g ter\u00fclete hatszoros\u00e1ra n\u0151, de a tengeri j\u00e9gben lyukak keletkeznek a sz\u00e1razf\u00f6ldr\u0151l \u00e9rkez\u0151 er\u0151s sz\u00e9l hat\u00e1s\u00e1ra, ami a lyukakban lefagyasztja a vizet. De a ny\u00edlt \u00f3ce\u00e1non, t\u00e1vol a part menti szelekt\u0151l nem val\u00f3sz\u00edn\u0171, hogy r\u00e9sek lesznek a tenger jeg\u00e9n, ahol p\u00e9ld\u00e1ul a Maude Rise is kialakul.<\/p>\n\n\n\n

Kider\u00fclt, hogy 2016-ban \u00e9s 2017-ben a Weddell-tenger k\u00f6rk\u00f6r\u00f6s \u00f3ce\u00e1ni \u00e1ramlata er\u0151sebb volt, mint m\u00e1s \u00e9vekben, \u00edgy a v\u00edz alatti mozg\u00e1sok k\u00f6nnyebben hozt\u00e1k a s\u00f3t \u00e9s a h\u0151t a felsz\u00edn k\u00f6zel\u00e9be. Az id\u0151r\u0151l id\u0151re megny\u00edl\u00f3 lyuk egy v\u00edz alatti hegy k\u00f6zel\u00e9ben tal\u00e1lhat\u00f3, az omin\u00f3zus k\u00e9t \u00e9vben az er\u0151sebb \u00e1ramlat miatt s\u00f3 ker\u00fclt a hegyre, a felsz\u00ednen s\u00fcv\u00edtett a sz\u00e9l, ami felh\u00fazta a s\u00f3sabb vizet. Ez a s\u00f3 cs\u00f6kkentette a felsz\u00edni v\u00edz fagy\u00e1spontj\u00e1t, \u00edgy kialakulhatott a lyuk \u00e9s fenn is maradhatott egy ideig.<\/p>\n\n\n\n

Az \u00e9ghajlatv\u00e1ltoz\u00e1s m\u00e1r most is er\u0151sebb\u00e9 teszi a d\u00e9li kontinensr\u0151l \u00e9rkez\u0151 szeleket, a j\u00f6v\u0151ben t\u00f6bb lyukra sz\u00e1m\u00edthatunk. Ezek a poliny\u00e1k megv\u00e1ltoztathatj\u00e1k a v\u00edz mozg\u00e1s\u00e1t, az \u00e1ramaltok h\u0151sz\u00e1ll\u00edt\u00e1s\u00e1t a kontinensek fel\u00e9. A glob\u00e1lis \u00f3ce\u00e1n vizeinek 40 sz\u00e1zal\u00e9ka az antarktiszi partvid\u00e9kr\u0151l sz\u00e1rmazik, l\u00e9tfontoss\u00e1g\u00faak a bolyg\u00f3 \u00e9ghajlat szab\u00e1lyoz\u00e1s\u00e1ban.<\/p>\n\n\n\n

(index.hu)<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Egy Sv\u00e1jc ter\u00fclet\u00e9vel nagyj\u00e1b\u00f3l megegyez\u0151 m\u00e9ret\u0171 lyuk 1974 \u00f3ta id\u0151nk\u00e9nt kiny\u00edlik az Antarktisz jeg\u00e9n. A Maud Rise poliny\u00e1ra (a polinya tengeri j\u00e9ggel k\u00f6r\u00fclvett ny\u00edlt v\u00edzter\u00fclet f\u00f6ldrajzi elnevez\u00e9se) a Weddell-tengen\u00e9l bukkantak 50 \u00e9ve, \u00e9s az\u00f3ta t\u00f6bbsz\u00f6r is megny\u00edlt, b\u00e1r nem mindig ugyanakkor\u00e1ra, de mindig ugyanott. Ez komoly fejt\u00f6r\u00e9st okozott a kutat\u00f3knak \u2013 \u00edrja a Live Science.<\/p>\n","protected":false},"author":12,"featured_media":186294,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,49,592,598,39],"tags":[24362,38114],"class_list":["post-186293","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-hirek","category-tarsadalom","category-tudomany","category-vilag","tag-antarktisz","tag-jeg"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/186293","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=186293"}],"version-history":[{"count":1,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/186293\/revisions"}],"predecessor-version":[{"id":186295,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/186293\/revisions\/186295"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/186294"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=186293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=186293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=186293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}