{"id":29746,"date":"2020-09-18T20:15:00","date_gmt":"2020-09-18T17:15:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=29746"},"modified":"2020-09-18T13:22:57","modified_gmt":"2020-09-18T10:22:57","slug":"felerositi-sziberiaban-a-talajeroziot-a-klimavaltozas","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=29746&lang=hu","title":{"rendered":"Feler\u0151s\u00edti Szib\u00e9ri\u00e1ban a talajer\u00f3zi\u00f3t a kl\u00edmav\u00e1ltoz\u00e1s"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>A kutat\u00f3k felh\u00edvt\u00e1k a figyelmet arra, hogy a permafroszt, vagyis az \u00fagynevezett \u00e1lland\u00f3an fagyott talaj olvad\u00e1sa miatt a v\u00edz egyre t\u00f6bb talajt mos el \u2013 \u00edrja a Magyar Nemzet.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az er\u00f3zi\u00f3 m\u00e9rt\u00e9ke aggaszt\u00f3 \u2013 k\u00f6z\u00f6lt\u00e9k a bremerhaveni Alfred Wegener Int\u00e9zet \u00e9s a Helmholtz Sarkvid\u00e9k- \u00e9s Tengerkutat\u00f3 K\u00f6zpont munkat\u00e1rsai. Csak a Szib\u00e9ri\u00e1ban l\u00e9v\u0151 L\u00e9na foly\u00f3 egyik szikl\u00e1j\u00e1n\u00e1l \u00e9vente 16 m\u00e9ter szakad le a partvonalb\u00f3l \u2013 emelt\u00e9k ki a Frontiers in Earth Science c\u00edm\u0171 tudom\u00e1nyos lapban megjelent tanulm\u00e1nyukban.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ez egyre gyakrabban fordul el\u0151 az 1960-as \u00e9vek \u00f3ta. A kutat\u00f3csoport munk\u00e1j\u00e1hoz m\u0171holdas felv\u00e9teleket elemzett.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/sziberia2-1024x768.jpg\" alt=\"\" class=\"wp-image-29747\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/sziberia2-1024x768.jpg 1024w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/sziberia2-300x225.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/sziberia2-768x576.jpg 768w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/sziberia2.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A kl\u00edmav\u00e1ltoz\u00e1s miatt a permafroszt, amely norm\u00e1l esetben eg\u00e9sz \u00e9vben eg\u00e9szen a m\u00e9lyebb r\u00e9tegekig fagyott, lassan felolvad. Ilyen \u0151si, \u00e1lland\u00f3an fagyott ter\u00fcletek els\u0151sorban Kanad\u00e1ban, Alaszk\u00e1ban, valamint Szib\u00e9ria \u00e9szaki \u00e9s keleti r\u00e9sz\u00e9n tal\u00e1lhat\u00f3k. Ezekben a talajr\u00e9tegekben nagy mennyis\u00e9g\u0171 sz\u00e9n-dioxid rakt\u00e1roz\u00f3dik, amely olvad\u00e1skor a l\u00e9gk\u00f6rbe ker\u00fcl.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A L\u00e9na delt\u00e1j\u00e1ban l\u00e9v\u0151 szikla p\u00e9ld\u00e1j\u00e1nak bemutat\u00e1s\u00e1val a tud\u00f3sok azt szeml\u00e9ltetik, hogy a kl\u00edma felmeleged\u00e9se eg\u00e9sz t\u00e1jegys\u00e9geket v\u00e1ltoztathat meg.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A tud\u00f3sok a Szobo-Szisze-sziget 1,7 kilom\u00e9ter hossz\u00fa \u00e9s 27 m\u00e9ter magas Jedoma nev\u0171 szikl\u00e1j\u00e1t vizsg\u00e1lt\u00e1k, ahol a permafroszt talaj meredeken a L\u00e9na egy mell\u00e9k\u00e1g\u00e1ba zuhan. Itt k\u00fcl\u00f6n\u00f6sen nagy talajvesztes\u00e9g figyelhet\u0151 meg.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/sziberia1-1024x576.jpg\" alt=\"\" class=\"wp-image-29748\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/sziberia1-1024x576.jpg 1024w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/sziberia1-300x169.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/sziberia1-768x432.jpg 768w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/sziberia1-1536x864.jpg 1536w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/09\/sziberia1.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Az 1960-as \u00e9vek k\u00f6zep\u00e9n a foly\u00f3 az 1,7 kilom\u00e9ter sz\u00e9les szakaszon \u00e9vente \u00f6t m\u00e9ter f\u00f6ldet hordott el. 2015 \u00e9s 2018 k\u00f6z\u00f6tt ez m\u00e1r \u00e9vente csaknem 16 m\u00e9ter volt. A szikla 1965 \u00e9s 2018 k\u00f6z\u00f6tt, helysz\u00ednt\u0151l f\u00fcgg\u0151en, \u00f6sszesen 322-679 m\u00e9tert vesz\u00edtett \u2013 \u00e1llap\u00edtott\u00e1k meg a szak\u00e9rt\u0151k.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hasonl\u00f3 jelens\u00e9g figyelhet\u0151 meg a tud\u00f3sok szerint Kanada \u00e9s Alaszka \u00e9szaki-sarkvid\u00e9ki partjain\u00e1l. Egyre er\u0151teljesebb hat\u00e1ssal vannak ezekre a hull\u00e1mver\u00e9s \u00e9s a folyami \u00e1ramlatok els\u0151sorban az\u00e9rt, mert egyre hosszabb ideig tart a meleg \u00e9vszak.<\/p>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><strong><a href=\"https:\/\/magyarnemzet.hu\/mozaik\/felerositi-a-talajeroziot-a-klimavaltozas-sziberiaban-8678415\/\" target=\"_blank\" rel=\"noreferrer noopener\">(magyarnemzet.hu)<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A kutat\u00f3k felh\u00edvt\u00e1k a figyelmet arra, hogy a permafroszt, vagyis az \u00fagynevezett \u00e1lland\u00f3an fagyott talaj olvad\u00e1sa miatt a v\u00edz egyre t\u00f6bb talajt mos el.<\/p>\n","protected":false},"author":12,"featured_media":29748,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,596,49,592,39],"tags":[20259,9793,4787],"class_list":["post-29746","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-erdekes","category-hirek","category-tarsadalom","category-vilag","tag-fagyas","tag-sziberia","tag-talajerozio"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/29746","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=29746"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/29746\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/29748"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=29746"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29746"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29746"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}