{"id":2102,"date":"2026-04-24T20:09:17","date_gmt":"2026-04-24T20:09:17","guid":{"rendered":"https:\/\/latinzona.hu\/?p=2102"},"modified":"2026-04-24T20:09:18","modified_gmt":"2026-04-24T20:09:18","slug":"az-andok-vulkanjai-komoly-hatassal-voltak-a-fold-lehulesere","status":"publish","type":"post","link":"https:\/\/latinzona.hu\/index.php\/2026\/04\/24\/az-andok-vulkanjai-komoly-hatassal-voltak-a-fold-lehulesere\/","title":{"rendered":"Az Andok vulk\u00e1njai \u00e9s a glob\u00e1lis leh\u0171l\u00e9s"},"content":{"rendered":"\n

Egy nemzetk\u00f6zi kutat\u00f3csoport \u2013 argentin, amerikai, brit, n\u00e9met \u00e9s chilei tud\u00f3sok r\u00e9szv\u00e9tel\u00e9vel \u2013 kimutatta, hogy az Andok vulk\u00e1ni tev\u00e9kenys\u00e9ge hozz\u00e1j\u00e1rult a F\u00f6ld leh\u0171l\u00e9s\u00e9hez t\u00f6bb milli\u00f3 \u00e9vvel ezel\u0151tt. A tanulm\u00e1ny a Communications Earth & Environment<\/em> foly\u00f3iratban jelent meg.<\/a><\/p>\n\n\n\n

A kutat\u00e1s szerint k\u00f6r\u00fclbel\u00fcl 7 milli\u00f3 \u00e9vvel ezel\u0151tt az Andok vulk\u00e1njai t\u00e1panyagokban gazdag hamut juttattak az \u00f3ce\u00e1nokba. Ez term\u00e9szetes tr\u00e1gyak\u00e9nt hatott: el\u0151seg\u00edtette a fotoszintetiz\u00e1l\u00f3 alg\u00e1k, els\u0151sorban a fitoplankton \u00e9s a kovamoszatok elszaporod\u00e1s\u00e1t.<\/strong> Ezek az \u00e9l\u0151l\u00e9nyek n\u00f6veked\u00e9s\u00fck sor\u00e1n nagy mennyis\u00e9g\u0171 CO\u2082-t vonnak ki a l\u00e9gk\u00f6rb\u0151l, ami glob\u00e1lis leh\u0171l\u00e9st eredm\u00e9nyezett.<\/p>\n\n\n\n

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

Az Andok vulk\u00e1njai komoly k\u00e1rokat okozhattak a F\u00f6ldnek<\/h2>\n\n\n\n

A folyamat nem \u00e1llt meg az alg\u00e1kn\u00e1l: a megn\u00f6vekedett t\u00e1panyagk\u00edn\u00e1lat az eg\u00e9sz t\u00e1pl\u00e1l\u00e9kl\u00e1ncon v\u00e9giggy\u0171r\u0171z\u00f6tt, eg\u00e9szen a b\u00e1ln\u00e1kig. A b\u00e1ln\u00e1k test\u00fckben jelent\u0151s sz\u00e9nmennyis\u00e9get t\u00e1rolnak. Elpusztul\u00e1suk ut\u00e1n a tengerfen\u00e9kre s\u00fcllyedve hossz\u00fa id\u0151re megk\u00f6tik azt \u2013 ez tov\u00e1bb er\u0151s\u00edtette a leh\u0171l\u00e9si folyamatot.<\/p>\n\n\n\n

A jelens\u00e9g nem maradt helyi hat\u00e1s\u00fa: sz\u00e1m\u00edt\u00f3g\u00e9pes modellek seg\u00edts\u00e9g\u00e9vel a kutat\u00f3k igazolt\u00e1k, hogy a hat\u00e1s kiterjedt \u00c9szak-Chil\u00e9re, Argent\u00edn\u00e1ra, s\u0151t az Atlanti-\u00f3ce\u00e1nra is. <\/strong>Emellett a tanulm\u00e1ny meger\u0151s\u00edtette a kor\u00e1bban Cerro Ballen\u00e1ban (Atacama) megfigyelt t\u00f6meges b\u00e1lnapusztul\u00e1sok ok\u00e1t is. Az akkori id\u0151szakban fell\u00e9p\u0151 k\u00e1ros algavir\u00e1gz\u00e1sok (\u201ev\u00f6r\u00f6s \u00e1r”) szint\u00e9n a vulk\u00e1ni hamuhull\u00e1shoz k\u00f6thet\u0151k.<\/p>\n\n\n\n

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

Fontos eredm\u00e9ny az is, hogy az esem\u00e9ny \u00f6sszef\u00fcgg a modern b\u00e1lnafajok evol\u00faci\u00f3j\u00e1val. A testm\u00e9ret n\u00f6veked\u00e9se \u00e9s a mai b\u00e1lnacsal\u00e1dok el\u0151ret\u00f6r\u00e9se id\u0151ben egybeesik ezzel az id\u0151szakkal.<\/p>\n\n\n\n

A kutat\u00f3k hangs\u00falyozz\u00e1k: a kl\u00edmarendszer rendk\u00edv\u00fcl \u00f6sszetett, \u00e9s hat\u00e1sai \u00e9vezredes, ak\u00e1r milli\u00f3s id\u0151l\u00e9pt\u00e9kben \u00e9rv\u00e9nyes\u00fclnek \u2013 ez\u00e9rt a m\u00falt meg\u00e9rt\u00e9se elengedhetetlen a jelenlegi kl\u00edmav\u00e1ltoz\u00e1s kezel\u00e9s\u00e9hez. Ezt az antarktiszi es\u0151k kapcs\u00e1n is lehet l\u00e1tni.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Egy nemzetk\u00f6zi kutat\u00f3csoport \u2013 argentin, amerikai, brit, n\u00e9met \u00e9s chilei tud\u00f3sok r\u00e9szv\u00e9tel\u00e9vel \u2013 kimutatta, hogy az Andok vulk\u00e1ni tev\u00e9kenys\u00e9ge hozz\u00e1j\u00e1rult a F\u00f6ld leh\u0171l\u00e9s\u00e9hez t\u00f6bb milli\u00f3 […]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":2105,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[27],"tags":[28],"yoast_head":"\nAz Andok vulk\u00e1njai \u00e9s a glob\u00e1lis leh\u0171l\u00e9s - Latin Z\u00f3na<\/title>\n<meta name=\"description\" content=\"Kutat\u00f3k szerint az Andok vulk\u00e1njai komoly hat\u00e1ssal voltak sok milli\u00f3 \u00e9vvel ezel\u0151tt a F\u00f6ld leh\u0171l\u00e9s\u00e9re \u00e9s ak\u00e1r a j\u00e9gkorszak kialakul\u00e1s\u00e1ra is.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/latinzona.hu\/index.php\/2026\/04\/24\/az-andok-vulkanjai-komoly-hatassal-voltak-a-fold-lehulesere\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Az Andok vulk\u00e1njai \u00e9s a glob\u00e1lis leh\u0171l\u00e9s - 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