{"id":4187,"date":"2026-01-30T12:05:07","date_gmt":"2026-01-30T09:05:07","guid":{"rendered":"https:\/\/www.merceknet.com\/tr\/?p=4187"},"modified":"2026-01-30T12:05:07","modified_gmt":"2026-01-30T09:05:07","slug":"yerin-640-km-altinda-dev-okyanus-mu-var","status":"publish","type":"post","link":"https:\/\/www.merceknet.com\/tr\/2026\/01\/30\/yerin-640-km-altinda-dev-okyanus-mu-var\/","title":{"rendered":"Yer\u2019in 640 km alt\u0131nda \u201cdev okyanus\u201d mu var?"},"content":{"rendered":"<p data-start=\"0\" data-end=\"693\">2014\u2019te <em data-start=\"8\" data-end=\"16\">Nature<\/em> dergisinde yay\u0131mlanan bir bulgu, D\u00fcnya\u2019n\u0131n \u201cmanto ge\u00e7i\u015f zonu\u201d olarak bilinen <strong data-start=\"94\" data-end=\"115\">410\u2013660 kilometre<\/strong> derinlik aral\u0131\u011f\u0131nda suyun, <strong data-start=\"143\" data-end=\"158\">ringwoodite<\/strong> gibi minerallerin kristal yap\u0131s\u0131na <strong data-start=\"194\" data-end=\"207\">hidroksil<\/strong> formunda ba\u011flanarak depolanabildi\u011fine dair \u00f6nemli kan\u0131t sundu. Brezilya\u2019n\u0131n Ju\u00edna b\u00f6lgesinden \u00e7\u0131kt\u0131\u011f\u0131 belirtilen bir elmas\u0131n i\u00e7inde tespit edilen ringwoodite inkl\u00fczyonu, ge\u00e7i\u015f zonunun en az\u0131ndan yerel \u00f6l\u00e7ekte \u201chidratl\u0131\u201d olabilece\u011fini ortaya koydu. Ara\u015ft\u0131rmada, ringwoodite ve wadsleyite gibi fazlar\u0131n teorik olarak k\u00fctlelerinin <strong data-start=\"536\" data-end=\"557\">yakla\u015f\u0131k %2,5\u2019ine<\/strong> kadar su bar\u0131nd\u0131rabilecek kapasitede oldu\u011fu; incelenen \u00f6rne\u011fin ise <strong data-start=\"625\" data-end=\"652\">yakla\u015f\u0131k %1 (a\u011f\u0131rl\u0131k\u00e7a)<\/strong> d\u00fczeyinde suya i\u015faret etti\u011fi bildirildi.<\/p>\n<h3 data-start=\"695\" data-end=\"741\">\u201cDeprem dalgalar\u0131\u201d bulgusu neye dayan\u0131yor?<\/h3>\n<p data-start=\"742\" data-end=\"1249\">Ayn\u0131 y\u0131l <em data-start=\"751\" data-end=\"760\">Science<\/em>\u2019ta yay\u0131mlanan bir ba\u015fka \u00e7al\u0131\u015fma ise <strong data-start=\"797\" data-end=\"824\">y\u00fcksek bas\u0131n\u00e7 deneyleri<\/strong> ile <strong data-start=\"829\" data-end=\"850\">sismik g\u00f6zlemleri<\/strong> birlikte de\u011ferlendirerek, <strong data-start=\"877\" data-end=\"894\">660 kilometre<\/strong> civar\u0131nda ringwoodite\u2019\u0131n daha derin fazlara d\u00f6n\u00fc\u015f\u00fcm\u00fc s\u0131ras\u0131nda suyu serbest b\u0131rakmas\u0131n\u0131n <strong data-start=\"984\" data-end=\"999\">k\u0131smi erime<\/strong> olu\u015fturabilece\u011fini tart\u0131\u015ft\u0131. Bu mekanizman\u0131n baz\u0131 b\u00f6lgelerde g\u00f6zlenen <strong data-start=\"1070\" data-end=\"1094\">sismik h\u0131z d\u00fc\u015f\u00fc\u015fleri<\/strong> ile uyumlu olabilece\u011fi; dolay\u0131s\u0131yla suyun ge\u00e7i\u015f zonunda yaln\u0131zca noktasal de\u011fil, daha geni\u015f \u00f6l\u00e7ekte de bulunabilece\u011fi ihtimalini g\u00fc\u00e7lendirdi\u011fi vurguland\u0131.<\/p>\n<h3 data-start=\"1251\" data-end=\"1301\">\u201cOkyanuslar\u0131n 3 kat\u0131\u201d s\u00f6ylemi nereden geliyor?<\/h3>\n<p data-start=\"1302\" data-end=\"1908\">Kamuoyunda s\u0131k tekrarlanan \u201cokyanuslar\u0131n toplam\u0131ndan \u00fc\u00e7 kat fazla su\u201d ifadesi, ge\u00e7i\u015f zonu minerallerinin <strong data-start=\"1407\" data-end=\"1421\">tam doygun<\/strong> olabilece\u011fi varsay\u0131m\u0131yla yap\u0131lan <strong data-start=\"1455\" data-end=\"1468\">\u00fcst s\u0131n\u0131r<\/strong> t\u00fcr\u00fc hesaplamalara dayan\u0131yor. Bu \u00e7er\u00e7eve 2014\u2019ten bu yana pop\u00fcler bilim dilinde yayg\u0131n bi\u00e7imde kullan\u0131l\u0131yor. Bununla birlikte daha yeni k\u00fcresel modelleme \u00e7al\u0131\u015fmalar\u0131, suyun da\u011f\u0131l\u0131m\u0131n\u0131n <strong data-start=\"1654\" data-end=\"1667\">heterojen<\/strong> olabilece\u011fine i\u015faret ediyor; baz\u0131 senaryolarda \u201cokyanus e\u015fde\u011feri\u201d toplam\u0131n <strong data-start=\"1743\" data-end=\"1770\">yakla\u015f\u0131k 0,64\u20131 okyanus<\/strong> band\u0131nda kalabilece\u011fi de g\u00f6steriliyor. Bu nedenle \u201c3 kat\u201d ifadesi, t\u00fcm \u00e7al\u0131\u015fmalar\u0131n \u00fczerinde uzla\u015ft\u0131\u011f\u0131 kesin bir sonu\u00e7 olarak g\u00f6r\u00fclm\u00fcyor.<\/p>\n<h3 data-start=\"1910\" data-end=\"1955\">Neden 640 kilometre ifadesi kullan\u0131l\u0131yor?<\/h3>\n<p data-start=\"1956\" data-end=\"2281\">Bilimsel literat\u00fcrde kritik e\u015fik \u00e7o\u011funlukla <strong data-start=\"2000\" data-end=\"2032\">660 kilometrelik s\u00fcreksizlik<\/strong> olarak tan\u0131mlan\u0131yor ve bu seviye ge\u00e7i\u015f zonunun alt s\u0131n\u0131r\u0131 kabul ediliyor. Pop\u00fcler anlat\u0131larda ise \u201c400 mil\u201din yakla\u015f\u0131k <strong data-start=\"2152\" data-end=\"2169\">643 kilometre<\/strong>ye kar\u015f\u0131l\u0131k gelmesi nedeniyle derinlik de\u011ferinin <strong data-start=\"2218\" data-end=\"2235\">640 kilometre<\/strong> \u015feklinde yuvarlanarak kullan\u0131ld\u0131\u011f\u0131 g\u00f6r\u00fcl\u00fcyor.<\/p>\n<h3 data-start=\"2283\" data-end=\"2303\">Ke\u015ffin \u00f6nemi ne?<\/h3>\n<p data-start=\"2304\" data-end=\"3015\">Bu bulgular, D\u00fcnya\u2019n\u0131n su b\u00fct\u00e7esinin yaln\u0131zca okyanuslar ve y\u00fczey sular\u0131 \u00fczerinden de\u011fil, manto i\u00e7inde i\u015fleyebilen daha derin bir <strong data-start=\"2434\" data-end=\"2448\">su d\u00f6ng\u00fcs\u00fc<\/strong> \u00fczerinden de de\u011ferlendirilmesi gerekti\u011fine i\u015faret ediyor. Levha dalmas\u0131yla suyun derine ta\u015f\u0131nabilece\u011fi ve belirli derinliklerde mineraller taraf\u0131ndan \u201ctutulabilece\u011fi\u201d d\u00fc\u015f\u00fcncesi, gezegen \u00f6l\u00e7e\u011finde gizli bir d\u00f6ng\u00fc ihtimalini g\u00fc\u00e7lendiriyor. Ayr\u0131ca hidratl\u0131 minerallerin d\u00f6n\u00fc\u015f\u00fcm\u00fcyle ili\u015fkili <strong data-start=\"2737\" data-end=\"2752\">k\u0131smi erime<\/strong> s\u00fcre\u00e7leri, magman\u0131n olu\u015fumu, volkanizma ve tektonik dinamikler \u00fczerinde etkili olabilecek mekanizmalar aras\u0131nda de\u011ferlendiriliyor. \u00d6te yandan y\u00fczey sular\u0131n\u0131n k\u00f6kenine ili\u015fkin \u201cd\u0131\u015f kaynaklar m\u0131, i\u00e7 d\u00f6ng\u00fc m\u00fc?\u201d tart\u0131\u015fmas\u0131 da bu t\u00fcr verilerle yeniden \u00e7er\u00e7eveleniyor.<\/p>\n<h3 data-start=\"3017\" data-end=\"3064\">\u201cYeralt\u0131 okyanusu\u201d ifadesi neden yan\u0131lt\u0131c\u0131?<\/h3>\n<p data-start=\"3065\" data-end=\"3429\">Vurgulanmas\u0131 gereken temel nokta, burada s\u00f6z konusu olan\u0131n <strong data-start=\"3124\" data-end=\"3150\">serbest\u00e7e akan s\u0131v\u0131 su<\/strong> olmad\u0131\u011f\u0131d\u0131r. Ringwoodite i\u00e7indeki su, mineralin kristal yap\u0131s\u0131na <strong data-start=\"3216\" data-end=\"3237\">kimyasal ba\u011flarla<\/strong> entegre olmu\u015f hidroksil bile\u015fenleri olarak d\u00fc\u015f\u00fcn\u00fcl\u00fcr. Bu nedenle \u201cyerin alt\u0131nda okyanus bulundu\u201d s\u00f6ylemi, bilimsel i\u00e7eri\u011fi pop\u00fclerle\u015ftirirken ger\u00e7e\u011fi basitle\u015ftiren bir <strong data-start=\"3406\" data-end=\"3418\">metafora<\/strong> d\u00f6n\u00fc\u015f\u00fcyor.<\/p>\n<p data-start=\"3431\" data-end=\"3833\"><strong data-start=\"3431\" data-end=\"3459\">Editoryal de\u011ferlendirme:<\/strong> Anlat\u0131n\u0131n bilimsel kar\u015f\u0131l\u0131\u011f\u0131 bulunuyor; ancak \u201c640 kilometrede s\u0131v\u0131 okyanus ke\u015ffi\u201d yerine daha do\u011fru \u00e7er\u00e7eve, **\u201cmanto ge\u00e7i\u015f zonunda minerallere hapsolmu\u015f b\u00fcy\u00fck \u00f6l\u00e7ekli su rezervuar\u0131 olas\u0131l\u0131\u011f\u0131\u201d**d\u0131r. 2014 bulgular\u0131 \u00f6nemli bir e\u015fik kabul edilirken, toplam miktar\u0131n b\u00fcy\u00fckl\u00fc\u011f\u00fc ve k\u00fcresel yayg\u0131nl\u0131\u011f\u0131n derecesi, farkl\u0131 \u00e7al\u0131\u015fmalar\u0131n h\u00e2l\u00e2 tart\u0131\u015ft\u0131\u011f\u0131 bir ba\u015fl\u0131k olarak \u00f6ne \u00e7\u0131k\u0131yor<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bilimsel literat\u00fcrde, D\u00fcnya\u2019n\u0131n 410\u2013660 km derinlikteki \u201cmanto ge\u00e7i\u015f zonu\u201dnda suyun ringwoodite ve wadsleyite gibi minerallerin kristal yap\u0131s\u0131na hidroksil formunda ba\u011flanarak depolanabildi\u011fine dair g\u00fc\u00e7l\u00fc kan\u0131tlar var. Ancak \u201cdev bir okyanus ke\u015ffedildi\u201d ifadesi, s\u0131v\u0131 su k\u00fctlesi \u00e7a\u011fr\u0131\u015f\u0131m\u0131 yapt\u0131\u011f\u0131 i\u00e7in yan\u0131lt\u0131c\u0131: S\u00f6z konusu olan, kaya\/mineral i\u00e7inde kimyasal olarak tutulan su.<\/p>\n","protected":false},"author":2,"featured_media":4188,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-4187","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Yer\u2019in 640 km alt\u0131nda \u201cdev okyanus\u201d mu var? - Merceknet Haber<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.merceknet.com\/tr\/2026\/01\/30\/yerin-640-km-altinda-dev-okyanus-mu-var\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Yer\u2019in 640 km alt\u0131nda \u201cdev okyanus\u201d mu var? - Merceknet Haber\" \/>\n<meta property=\"og:description\" content=\"Bilimsel literat\u00fcrde, D\u00fcnya\u2019n\u0131n 410\u2013660 km derinlikteki \u201cmanto ge\u00e7i\u015f zonu\u201dnda suyun ringwoodite ve wadsleyite gibi minerallerin kristal yap\u0131s\u0131na hidroksil formunda ba\u011flanarak depolanabildi\u011fine dair g\u00fc\u00e7l\u00fc kan\u0131tlar var. 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