{"id":21766,"date":"2020-07-17T20:30:00","date_gmt":"2020-07-17T17:30:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=21766"},"modified":"2020-07-16T18:02:47","modified_gmt":"2020-07-16T15:02:47","slug":"egeszen-az-antarktiszig-sodrodik-tobb-tonnanyi-mikromuanyag","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=21766&lang=hu","title":{"rendered":"Eg\u00e9szen az Antarktiszig sodr\u00f3dik t\u00f6bb tonn\u00e1nyi mikrom\u0171anyag"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Eg\u00e9szen az Antarktiszig sodor a sz\u00e9l az \u00f3ce\u00e1nokba t\u00f6bb tonn\u00e1nyi mikrom\u0171anyagot. A sz\u00e1razf\u00f6ldi k\u00f6zleked\u00e9sb\u0151l \u2013 sz\u00e1m\u00edt\u00e1sok szerint \u2013 \u00e9vente ak\u00e1r 140 ezer tonna mikrom\u0171anyag ker\u00fclhet a vizekbe.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"644\" height=\"674\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/07\/szemet-antarktisz.jpg\" alt=\"\" class=\"wp-image-21767\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/07\/szemet-antarktisz.jpg 644w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/07\/szemet-antarktisz-287x300.jpg 287w\" sizes=\"auto, (max-width: 644px) 100vw, 644px\" \/><figcaption>Az antarktiszi j\u00e9gben tal\u00e1lt mikrom\u0171anyag rostok mikroszk\u00f3p k\u00e9pe.<br>Forr\u00e1s: <a rel=\"noreferrer noopener\" href=\"https:\/\/WWW.THEGUARDIAN.COM\/WORLD\/2020\/APR\/22\/MICROPLASTICS-FOUND-FOR-FIRST-TIME-IN-ANTARCTIC-ICE-WHERE-KRILL-SOURCE-FOOD\" target=\"_blank\">THEGUARDIAN.COM<\/a><br><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Egy nemzetk\u00f6zi kutat\u00f3csoport a Nature Communications c\u00edm\u0171 tudom\u00e1nyos foly\u00f3iratban mutatta be eredm\u00e9nyeit. Az utakon zajl\u00f3 k\u00f6zleked\u00e9s a m\u0171anyagr\u00e9szecsk\u00e9k egyik igen jelent\u0151s forr\u00e1sa. A gumiabroncsok kop\u00e1sa r\u00e9v\u00e9n glob\u00e1lisan \u00e1tlagosan 0,8 kilogramm ker\u00fcl be fejenk\u00e9nt \u00e9vente a k\u00f6rnyezetbe, teh\u00e1t \u00f6sszess\u00e9g\u00e9ben 6,1 milli\u00f3 tonna, vagyis a vil\u00e1gszint\u0171 m\u0171anyagtermel\u00e9s k\u00e9t sz\u00e1zal\u00e9ka. Ehhez j\u00f6n m\u00e9g tov\u00e1bbi 500 ezer tonna a f\u00e9kbet\u00e9tek kop\u00e1sa miatt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A sz\u00e1razf\u00f6ldi k\u00f6zleked\u00e9sb\u0151l sz\u00e1rmaz\u00f3 legkisebb m\u0171anyagr\u00e9szecsk\u00e9k jelentik a teljes glob\u00e1lis mikrom\u0171anyag-terhelts\u00e9g egyharmad\u00e1t a Nature c\u00edm\u0171 lap szerint. Nagy r\u00e9sze az Egyes\u00fclt \u00c1llamok \u00e9s \u00c9szak-Eur\u00f3pa s\u0171r\u0171n lakott r\u00e9gi\u00f3ib\u00f3l, valamint D\u00e9lkelet-\u00c1zsia er\u0151sen v\u00e1rosiasodott ter\u00fcleteir\u0151l sz\u00e1rmazik.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Andreas Stohl, a B\u00e9csi Egyetem meteorol\u00f3giai \u00e9s geofizikai r\u00e9szleg\u00e9nek kutat\u00f3ja \u00e9s a Norv\u00e9g L\u00e9gkutat\u00f3 Int\u00e9zet (Norwegian Institute for Air Research \u2013 NILU) \u00e9s a B\u00e9cs k\u00f6zel\u00e9ben l\u00e9v\u0151 Nemzetk\u00f6zi Alkalmazott Rendszerelemz\u0151 Int\u00e9zet (IIASA) munkat\u00e1rsai v\u00e9gezt\u00e9k az els\u0151 modellsz\u00e1m\u00edt\u00e1st a sz\u00e1razf\u00f6ldi k\u00f6zleked\u00e9sb\u0151l sz\u00e1rmaz\u00f3 mikrom\u0171anyag sz\u00e9l \u00e1ltali glob\u00e1lis terjed\u00e9s\u00e9r\u0151l.Eszerint mintegy 100 ezer tonn\u00e1nyi, 10 mikrom\u00e9tern\u00e9l kisebb r\u00e9szecske ker\u00fcl a vil\u00e1gtengerekbe a gumiabroncsok kop\u00e1sa miatt \u00e9s tov\u00e1bbi 40 ezer tonn\u00e1nyi a f\u00e9kbet\u00e9tek kop\u00e1sa miatt.F\u0151k\u00e9nt az igaz\u00e1n apr\u00f3, kevesebb mint 2,5 mikrom\u00e9ternyi r\u00e9szecsk\u00e9k tudnak nagyon t\u00e1vol jutni a sz\u00e9l seg\u00edts\u00e9g\u00e9vel. Ilyen m\u00e9ret\u0171 mikror\u00e9szecsk\u00e9kb\u0151l 52 ezer tonna sz\u00e1rmazik az abroncskop\u00e1sb\u00f3l, tov\u00e1bbi 16 ezer tonna a f\u00e9kkop\u00e1sb\u00f3l &#8211; ez \u00f6sszess\u00e9g\u00e9ben 68 ezer tonna 2,5 mikrom\u00e9tern\u00e9l kisebb r\u00e9szecske.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"644\" height=\"429\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/07\/szemet-antarktisz-2.jpg\" alt=\"\" class=\"wp-image-21768\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/07\/szemet-antarktisz-2.jpg 644w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/07\/szemet-antarktisz-2-300x200.jpg 300w\" sizes=\"auto, (max-width: 644px) 100vw, 644px\" \/><figcaption>A mikrom\u0171anyagok nem csak a bel\u0151l\u00fck kiold\u00f3d\u00f3 adal\u00e9kanyagok miatt vesz\u00e9lyesek, hanem mert k\u00e9pesek megk\u00f6tni a v\u00edzben l\u00e9v\u0151szerves szennyez\u0151ket, \u00edgy azok koncentr\u00e1ltabban jutnak az \u00e9l\u0151l\u00e9nyek szervezet\u00e9be.<br>Forr\u00e1s: FLICKR<br><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u201eEbb\u0151l az \u00f6sszesen 140 ezer tonn\u00e1nyi mikrom\u0171anyagb\u00f3l 48 ezer tonna h\u00f3val \u00e9s j\u00e9ggel bor\u00edtott ter\u00fcleten rak\u00f3dik le\u201d \u2013 mondta Stohl. K\u00fcl\u00f6n\u00f6sen \u00e9rintett az \u00c9szaki-sarkvid\u00e9k \u00e9s f\u0151k\u00e9ppen a tengeri j\u00e9g.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br>Ezek a lerak\u00f3d\u00e1sok a r\u00e9gi\u00f3 eleve \u00e9rz\u00e9keny \u00f6kosziszt\u00e9m\u00e1ira \u00e9s val\u00f3sz\u00edn\u0171leg az ott \u00e9l\u0151 emberek eg\u00e9szs\u00e9g\u00e9re is nagy hat\u00e1ssal lehetnek a szak\u00e9rt\u0151 szerint.A s\u00f6t\u00e9t r\u00e9szecsk\u00e9k hat\u00e1s\u00e1ra r\u00e1ad\u00e1sul a h\u00f3- \u00e9s j\u00e9gt\u00f6megek gyorsabban olvadnak, mivel \u00e1ltaluk cs\u00f6kken a felsz\u00edn \u00e1ltal visszavert napf\u00e9ny mennyis\u00e9ge. Hasonl\u00f3 hat\u00e1sa van az Arktisz k\u00f6rny\u00e9k\u00e9n lerak\u00f3d\u00f3 koromnak.<\/p>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\">(MTI\/<a href=\"https:\/\/www.origo.hu\/tudomany\/20200715-mikromuanyag.html\" target=\"_blank\" rel=\"noreferrer noopener\">origo.h<\/a>u)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Eg\u00e9szen az Antarktiszig sodor a sz\u00e9l az \u00f3ce\u00e1nokba t\u00f6bb tonn\u00e1nyi mikrom\u0171anyagot. A sz\u00e1razf\u00f6ldi k\u00f6zleked\u00e9sb\u0151l \u2013 sz\u00e1m\u00edt\u00e1sok szerint \u2013 \u00e9vente ak\u00e1r 140 ezer tonna mikrom\u0171anyag ker\u00fclhet a vizekbe.<\/p>\n","protected":false},"author":5,"featured_media":21768,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,49,11,592,598,39],"tags":[3132,2462,710,9630],"class_list":["post-21766","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-hirek","category-kiemelt-tema","category-tarsadalom","category-tudomany","category-vilag","tag-antartktisz","tag-kornyezetszennyezes","tag-kutatas","tag-oceanok"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/21766","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\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=21766"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/21766\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/21768"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21766"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}