{"id":8936,"date":"2019-05-22T17:56:36","date_gmt":"2019-05-22T20:56:36","guid":{"rendered":"https:\/\/blog.mindthegraph.com\/?p=8936"},"modified":"2022-10-18T11:41:07","modified_gmt":"2022-10-18T14:41:07","slug":"ocean-acidification-consequences","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/hu\/ocean-acidification-consequences\/","title":{"rendered":"Az \u00f3ce\u00e1nok elsavasod\u00e1s\u00e1nak k\u00f6vetkezm\u00e9nyei a tengeri \u00e1llatokra n\u00e9zve"},"content":{"rendered":"

A sz\u00e9n-dioxid egy gyakori g\u00e1z a l\u00e9gk\u00f6rben. Norm\u00e1lis esetben a F\u00f6ld sz\u00e9nk\u00f6rforg\u00e1sa a \"bolyg\u00f3 l\u00e9legz\u00e9se\" r\u00e9v\u00e9n fenntartja a sz\u00e9n term\u00e9szetes egyens\u00faly\u00e1t a l\u00e9gk\u00f6rben, a sz\u00e1razf\u00f6ld\u00f6n \u00e9s az \u00f3ce\u00e1nban. Az emberi tev\u00e9kenys\u00e9g, p\u00e9ld\u00e1ul a fosszilis t\u00fczel\u0151anyagok kibocs\u00e1t\u00e1sa azonban megbontja a sz\u00e9nk\u00f6rforg\u00e1s egyens\u00faly\u00e1t, ami az \u00fcvegh\u00e1zhat\u00e1s fokoz\u00f3d\u00e1sa \u00e9s az \u00f3ce\u00e1nok elsavasod\u00e1sa r\u00e9v\u00e9n kl\u00edmav\u00e1ltoz\u00e1st okoz.<\/p>\n\n\n\n

Ahhoz teh\u00e1t, hogy meg\u00e9rts\u00fck az \u00f3ce\u00e1nok elsavasod\u00e1s\u00e1nak k\u00f6vetkezm\u00e9nyeit, el\u0151sz\u00f6r is fel kell id\u00e9zn\u00fcnk a sz\u00e9nciklust. Err\u0151l itt \u00edrtam1<\/sup>.<\/p>\n\n\n\n

Az \u00fcvegh\u00e1zhat\u00e1s lehet\u0151v\u00e9 teszi az \u00e9letet a F\u00f6ld\u00f6n az\u00e1ltal, hogy a l\u00e9gk\u00f6rbe z\u00e1rja a h\u0151t, \u00e9s ez\u00e1ltal felmeleg\u00edti a bolyg\u00f3t. Itt mutattam meg, hogyan m\u0171k\u00f6dik1<\/sup>. Fontoss\u00e1ga ellen\u00e9re azonban a sz\u00e9n-dioxid n\u00f6veked\u00e9se miatt ez probl\u00e9m\u00e1v\u00e1 v\u00e1lt.<\/p>\n\n\n\n

De nem minden felesleges sz\u00e9n-dioxid marad a l\u00e9gk\u00f6rben. A tud\u00f3sok becsl\u00e9se szerint az \u00f3ce\u00e1nok az emberi tev\u00e9kenys\u00e9g \u00e1ltal termelt sz\u00e9n-dioxid egyharmad\u00e1t elnyelt\u00e9k. Az \u00f3ce\u00e1nok \u00e1ltal a l\u00e9gk\u00f6rb\u0151l elt\u00e1vol\u00edtott sz\u00e9n-dioxid seg\u00edt k\u00e9sleltetni az \u00e9ghajlatv\u00e1ltoz\u00e1s m\u00e9rt\u00e9k\u00e9t. Ennek az el\u0151nynek azonban \u00e1ra van.<\/p>\n\n\n\n

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Kezdje el haszn\u00e1lni a Mind The Graph-ot most ingyen!<\/a><\/div>\n<\/div>\n\n\n\n

A sz\u00e9n-dioxid \u00e9s az \u00f3ce\u00e1n k\u00e9mi\u00e1ja<\/h2>\n\n\n\n

A tengerv\u00edzben old\u00f3dva a CO2 v\u00edzzel (H2O) reakci\u00f3ba l\u00e9pve sz\u00e9nsavat (H2CO3) k\u00e9pez: CO2 + H2O \u2194 H2CO3. A sz\u00e9nsav gyorsan old\u00f3dik, \u00e9s H+ ionokat (sav) \u00e9s bikarbon\u00e1tot, HCO3- (b\u00e1zis) k\u00e9pez. A tengerv\u00edz a term\u00e9szetben tel\u00edtett egy m\u00e1sik b\u00e1zissal, karbon\u00e1tionnal (CO3-2), amely savlek\u00f6t\u0151k\u00e9nt hat, \u00e9s semleges\u00edti a H+ -ot, \u00edgy t\u00f6bb bikarbon\u00e1t k\u00e9pz\u0151dik. A nett\u00f3 reakci\u00f3 \u00edgy n\u00e9z ki: CO2 + H2O + CO3-2\u2192 2HCO3-<\/p>\n\n\n

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

A sz\u00e9n-dioxid elnyel\u00e9se alapvet\u0151en megv\u00e1ltoztatja az \u00f3ce\u00e1n k\u00e9miai \u00f6sszet\u00e9tel\u00e9t, mivel olyan reakci\u00f3kat ind\u00edt el, amelyek a tengervizet savasabb\u00e1 teszik, ezt a jelens\u00e9get nevezz\u00fck az \u00f3ce\u00e1nok elsavasod\u00e1s\u00e1nak. Az \u00f3ce\u00e1n val\u00f3j\u00e1ban k\u00f6zel 30 sz\u00e1zal\u00e9kkal savasabb lett, mint az ipari korszak kezdet\u00e9n volt. Ez a v\u00e1ltoz\u00e1s nagyobb \u00e9s gyorsabb, mint amit a fosszilis feljegyz\u00e9sekben legal\u00e1bb 800 000 \u00e9vre visszamen\u0151leg, a gerincesek \u00e9s a n\u00f6v\u00e9nyek fosszilis feljegyz\u00e9sekben val\u00f3 megjelen\u00e9se el\u0151tt megfigyeltek.<\/p>\n\n\n

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\"az<\/a><\/figure><\/div>\n\n\n
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Hat\u00e9kony tudom\u00e1nyos \u00e1br\u00e1k l\u00e9trehoz\u00e1sa percek alatt<\/a><\/div>\n<\/div>\n\n\n\n

Hogyan hat az \u00f3ce\u00e1nok savasod\u00e1sa a tengeri \u00e9l\u0151vil\u00e1gra, p\u00e9ld\u00e1ul a halakra, korallokra \u00e9s kagyl\u00f3kra?<\/h2>\n\n\n\n

A hidrog\u00e9nionok koncentr\u00e1ci\u00f3j\u00e1nak n\u00f6veked\u00e9s\u00e9vel a v\u00edz savasabb\u00e1 v\u00e1lik. Emellett a karbon\u00e1tionok mennyis\u00e9ge is cs\u00f6kken.<\/p>\n\n\n\n

Az extra hidrog\u00e9nionok egy r\u00e9sze reakci\u00f3ba l\u00e9p a karbon\u00e1tionokkal, \u00e9s t\u00f6bb bikarbon\u00e1tot k\u00e9pez. Ahogy a karbon\u00e1t mennyis\u00e9ge cs\u00f6kken, ezek az \u00e9l\u0151l\u00e9nyek, p\u00e9ld\u00e1ul a korallok \u00e9s a kagyl\u00f3k nehezebben \u00e9p\u00edtik fel \u00e9s tartj\u00e1k fenn h\u00e9jukat \u00e9s v\u00e1zukat. A megn\u00f6vekedett savass\u00e1g m\u00e9g azt is okozhatja, hogy egyes karbon\u00e1tos h\u00e9jak \u00e9s csontv\u00e1zak felold\u00f3dnak. A hidrog\u00e9nionok reakci\u00f3ba l\u00e9pnek a szil\u00e1rd kalcium-karbon\u00e1ttal, \u00e9s azt oldhat\u00f3 bikarbon\u00e1tt\u00e1 \u00e9s kalciumionokk\u00e1 alak\u00edtj\u00e1k.<\/p>\n\n\n

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

A planktont alkot\u00f3 apr\u00f3 n\u00f6v\u00e9nyek \u00e9s \u00e1llatok kever\u00e9ke k\u00f6z\u00f6tt \u00e9l egy apr\u00f3 tengeri csiga, a pteropoda. Kis m\u00e9ret\u00fck ellen\u00e9re a pteropod\u00e1k sz\u00e1mos faj, k\u00f6zt\u00fck halak, f\u00f3k\u00e1k \u00e9s b\u00e1ln\u00e1k sz\u00e1m\u00e1ra fontos t\u00e1pl\u00e1l\u00e9kforr\u00e1s. A pteropod\u00e1knak azonban \u00e9rz\u00e9keny kalcium-karbon\u00e1t h\u00e9juk van, amely \u00e9rz\u00e9keny az \u00f3ce\u00e1nok elsavasod\u00e1s\u00e1ra. Egy k\u00eds\u00e9rletsorozatban a pteropod\u00e1k h\u00e9j\u00e1t olyan pH-\u00e9rt\u00e9k\u0171 (savass\u00e1g\u00fa) tengerv\u00edzbe helyezt\u00e9k, amilyet a D\u00e9li-\u00f3ce\u00e1n 2100-ra el\u0151re jeleztek. A pteropod\u00e1k h\u00e9ja 48 \u00f3r\u00e1n bel\u00fcl elkezdett felold\u00f3dni.<\/p>\n\n\n\n

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L\u00e1that\u00f3s\u00e1g a Mind The Graph seg\u00edts\u00e9g\u00e9vel<\/a><\/div>\n<\/div>\n\n\n\n

A kutat\u00e1s vizualiz\u00e1l\u00e1sa<\/strong><\/h3>\n\n\n\n

Az olyan vizu\u00e1lis forr\u00e1sok, mint az infografik\u00e1k \u00e9s a vide\u00f3k hat\u00e9kony m\u00f3dja a tudom\u00e1nyos ismeretterjeszt\u00e9snek. Ezeket az infografik\u00e1kat mind a Mind the graph seg\u00edts\u00e9g\u00e9vel k\u00e9sz\u00edtettem, amely egy olyan online platform, amely lehet\u0151v\u00e9 teszi a tud\u00f3sok sz\u00e1m\u00e1ra, hogy figyelemfelkelt\u0151 anyagokat k\u00e9sz\u00edtsenek.<\/p>\n\n\n\n

  1. Sz\u00e9nk\u00f6rforg\u00e1s \u00e9s \u00fcvegh\u00e1zhat\u00e1s - Tudom\u00e1nyos infografika.<\/a><\/li><\/ol>\n\n\n\n

    <\/p>\n\n\n\n

    <\/p>\n\n\n\n

    <\/p>\n\n\n\n

    <\/p>","protected":false},"excerpt":{"rendered":"

    A sz\u00e9n-dioxid egy gyakori g\u00e1z a l\u00e9gk\u00f6rben. Norm\u00e1lis esetben a F\u00f6ld sz\u00e9nk\u00f6rforg\u00e1sa a \"bolyg\u00f3 l\u00e9legz\u00e9se\" r\u00e9v\u00e9n fenntartja a sz\u00e9n term\u00e9szetes egyens\u00faly\u00e1t a l\u00e9gk\u00f6rben, a sz\u00e1razf\u00f6ld\u00f6n \u00e9s az \u00f3ce\u00e1nban. Az emberi tev\u00e9kenys\u00e9g, mint a fosszilis t\u00fczel\u0151anyagok kibocs\u00e1t\u00e1sa azonban megbontja a sz\u00e9nk\u00f6rforg\u00e1s egyens\u00faly\u00e1t, ami \u00e9ghajlatv\u00e1ltoz\u00e1st okoz, mivel n\u00f6veli az \u00fcvegh\u00e1zhat\u00e1st okoz\u00f3 [...]<\/p>","protected":false},"author":11,"featured_media":8959,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":[],"categories":[66,958],"tags":[219,51,299,311,310,554],"yoast_head":"\nConsequences of ocean acidification on marine animals - Mind the Graph Blog<\/title>\n<meta name=\"description\" content=\"Scientists estimate that the oceans absorbed one-third of all the carbon dioxide produced by human activities causing ocean acidification\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mindthegraph.com\/blog\/hu\/ocean-acidification-consequences\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Consequences of ocean acidification on marine animals - 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