{"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\/tr\/okyanus-asidifikasyonu-sonuclari\/","title":{"rendered":"Okyanus asitlenmesinin deniz hayvanlar\u0131 \u00fczerindeki sonu\u00e7lar\u0131"},"content":{"rendered":"

Karbondioksit atmosferde yayg\u0131n olarak bulunan bir gazd\u0131r. Normalde, D\u00fcnya'n\u0131n karbon d\u00f6ng\u00fcs\u00fc \"gezegenin nefes almas\u0131\" yoluyla atmosfer, kara ve okyanustaki karbonun do\u011fal dengesini korur. Ancak, fosil yak\u0131tlar\u0131n emisyonu gibi insan faaliyetleri karbon d\u00f6ng\u00fcs\u00fcn\u00fcn dengesini bozmakta, sera etkisini ve okyanus asitlenmesini artt\u0131rarak iklim de\u011fi\u015fikli\u011fine neden olmaktad\u0131r.<\/p>\n\n\n\n

Dolay\u0131s\u0131yla, okyanus asitlenmesinin sonu\u00e7lar\u0131n\u0131 anlamak i\u00e7in \u00f6ncelikle karbon d\u00f6ng\u00fcs\u00fcn\u00fc \u00f6zetlemeniz gerekir. Bu konuda burada yazm\u0131\u015ft\u0131m1<\/sup>.<\/p>\n\n\n\n

Sera etkisi, \u0131s\u0131y\u0131 atmosferde hapsederek ve gezegeni \u0131s\u0131tarak D\u00fcnya'da ya\u015fam\u0131 m\u00fcmk\u00fcn k\u0131lar. Nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 burada g\u00f6sterdim1<\/sup>. Ancak bu kadar \u00f6nemli olmas\u0131na ra\u011fmen karbondioksitin artmas\u0131 bunu bir sorun haline getirmi\u015ftir.<\/p>\n\n\n\n

Ancak fazla karbondioksitin tamam\u0131 atmosferde kalm\u0131yor. Bilim insanlar\u0131, okyanuslar\u0131n insan faaliyetleri sonucu ortaya \u00e7\u0131kan karbondioksitin \u00fc\u00e7te birini emdi\u011fini tahmin etmektedir. Okyanuslar\u0131n karbondioksiti atmosferden uzakla\u015ft\u0131rmas\u0131, iklim de\u011fi\u015fikli\u011finin boyutunu geciktirmeye yard\u0131mc\u0131 olmaktad\u0131r. Ancak bu faydan\u0131n bir bedeli vard\u0131r.<\/p>\n\n\n\n

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Mind The Graph'i Hemen \u015eimdi \u00dccretsiz Kullanmaya Ba\u015flay\u0131n!<\/a><\/div>\n<\/div>\n\n\n\n

Karbondioksit ve okyanus kimyas\u0131<\/h2>\n\n\n\n

CO2 deniz suyunda \u00e7\u00f6z\u00fcnd\u00fckten sonra su (H2O) ile reaksiyona girerek karbonik asit olu\u015fturur: H2CO3: CO2 + H2O \u2194 H2CO3. Karbonik asit h\u0131zla \u00e7\u00f6z\u00fcnerek H+ iyonlar\u0131 (bir asit) ve bikarbonat, HCO3- (bir baz) olu\u015fturur. Deniz suyu do\u011fal olarak ba\u015fka bir baz olan karbonat iyonu (CO3-2) ile doymu\u015ftur, bu da H+'y\u0131 n\u00f6tralize etmek i\u00e7in bir antiasit gibi davranarak daha fazla bikarbonat olu\u015fturur. Net reaksiyon \u015fu \u015fekildedir: CO2 + H2O + CO3-2\u2192 2HCO3-<\/p>\n\n\n

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

Karbondioksit emilimi, okyanus asitlenmesi olarak adland\u0131r\u0131lan ve deniz suyunu daha asidik hale getiren reaksiyonlar\u0131 tetikleyerek okyanusun kimyas\u0131n\u0131 temelden de\u011fi\u015ftirmektedir. Asl\u0131nda okyanus, Sanayi \u00c7a\u011f\u0131'n\u0131n ba\u015flang\u0131c\u0131nda oldu\u011fundan yakla\u015f\u0131k y\u00fczde 30 daha asidik hale gelmi\u015ftir. Bu, fosil kay\u0131tlar\u0131nda omurgal\u0131lar\u0131n ve bitkilerin ortaya \u00e7\u0131kmas\u0131ndan \u00f6nce, en az 800.000 y\u0131l \u00f6ncesine dayanan fosil kay\u0131tlar\u0131nda g\u00f6r\u00fclenden daha b\u00fcy\u00fck ve daha h\u0131zl\u0131 bir de\u011fi\u015fimdir.<\/p>\n\n\n

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\"okyanus<\/a><\/figure><\/div>\n\n\n
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Dakikalar \u0130\u00e7inde Etkili Bilim Fig\u00fcrleri Olu\u015fturun<\/a><\/div>\n<\/div>\n\n\n\n

Okyanus asitlenmesi bal\u0131klar, mercanlar ve kabuklu deniz hayvanlar\u0131 gibi deniz ya\u015fam\u0131n\u0131 nas\u0131l etkileyecek?<\/h2>\n\n\n\n

Hidrojen iyonlar\u0131n\u0131n konsantrasyonu artt\u0131k\u00e7a, su daha asidik hale gelir. Bunun yan\u0131 s\u0131ra, karbonat iyonlar\u0131 daha az bulunur hale gelir.<\/p>\n\n\n\n

Fazladan hidrojen iyonlar\u0131n\u0131n baz\u0131lar\u0131 karbonat iyonlar\u0131yla tepkimeye girerek daha fazla bikarbonat olu\u015fturur. Karbonat azald\u0131k\u00e7a, mercanlar ve istiridyeler gibi bu organizmalar kabuklar\u0131n\u0131 ve iskeletlerini in\u015fa etmekte ve korumakta daha fazla zorluk \u00e7ekerler. Artan asitlik baz\u0131 karbonat kabuklar\u0131n\u0131n ve iskeletlerinin \u00e7\u00f6z\u00fcnmesine bile neden olabilir. Hidrojen iyonlar\u0131 kat\u0131 kalsiyum karbonat ile reaksiyona girerek onu \u00e7\u00f6z\u00fcnebilir bikarbonat ve kalsiyum iyonlar\u0131na d\u00f6n\u00fc\u015ft\u00fcr\u00fcr.<\/p>\n\n\n

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

Planktonu olu\u015fturan k\u00fc\u00e7\u00fck bitki ve hayvanlar\u0131n kar\u0131\u015f\u0131m\u0131 aras\u0131nda pteropod ad\u0131 verilen k\u00fc\u00e7\u00fck bir deniz salyangozu ya\u015far. K\u00fc\u00e7\u00fck boyutlar\u0131na ra\u011fmen, pteropodlar bal\u0131klar, foklar ve balinalar da dahil olmak \u00fczere bir\u00e7ok t\u00fcr i\u00e7in \u00f6nemli bir besin kayna\u011f\u0131d\u0131r. Ancak pteropodlar, okyanus asitlenmesine kar\u015f\u0131 savunmas\u0131z olan hassas kalsiyum karbonat kabuklara sahiptir. Bir dizi deneyde, pteropod kabuklar\u0131 2100 y\u0131l\u0131na kadar G\u00fcney Okyanusu i\u00e7in \u00f6ng\u00f6r\u00fclen pH (asitlik) de\u011ferinde deniz suyuna yerle\u015ftirildi. 48 saat i\u00e7inde pteropod kabuklar\u0131 \u00e7\u00f6z\u00fcnmeye ba\u015flad\u0131.<\/p>\n\n\n\n

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Mind The Graph ile G\u00f6r\u00fcn\u00fcrl\u00fck Kazan\u0131n<\/a><\/div>\n<\/div>\n\n\n\n

Ara\u015ft\u0131rman\u0131z\u0131 g\u00f6rselle\u015ftirme<\/strong><\/h3>\n\n\n\n

\u0130nfografikler ve videolar gibi g\u00f6rsel kaynaklar bilim ileti\u015fimi i\u00e7in g\u00fc\u00e7l\u00fc bir yoldur. T\u00fcm bu infografikleri, bilim insanlar\u0131n\u0131n g\u00f6z al\u0131c\u0131 materyaller olu\u015fturmas\u0131na olanak tan\u0131yan \u00e7evrimi\u00e7i bir platform olan Mind the graph'\u0131 kullanarak olu\u015fturdum.<\/p>\n\n\n\n

  1. Karbon d\u00f6ng\u00fcs\u00fc ve sera etkisi - Bilimsel bir infografik.<\/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":"

    Karbondioksit atmosferde yayg\u0131n olarak bulunan bir gazd\u0131r. Normalde, D\u00fcnya'n\u0131n karbon d\u00f6ng\u00fcs\u00fc \"gezegenin nefes almas\u0131\" yoluyla atmosfer, kara ve okyanustaki do\u011fal karbon dengesini korur. Ancak, fosil yak\u0131tlar\u0131n emisyonu gibi insan faaliyetleri karbon d\u00f6ng\u00fcs\u00fcn\u00fcn dengesini bozarak iklim de\u011fi\u015fikli\u011fine neden olmakta, sera [...]<\/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\/tr\/okyanus-asidifikasyonu-sonuclari\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Consequences of ocean acidification on marine animals - 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