Tefra kronoloji, k\u00fcl (tefra) katmanlar\u0131ndan yararlan\u0131larak ger\u00e7ekle\u015ftirilen tarihleme y\u00f6ntemidir. K\u00fcl katmanlar\u0131 \u00e7ok duyarl\u0131 sonu\u00e7lar veren stratigrafik zaman i\u015faretleridir; ama bir jeolojik kronoloji olu\u015fturmak i\u00e7in, olanakl\u0131 en geni\u015f bir alan \u00fczerinde olabildi\u011fince \u00e7ok k\u00fcl birimlerini kar\u015f\u0131la\u015ft\u0131rmak ve tan\u0131mlamak gerekir.<\/p>\n
\u0130zlanda\u2019da \u00e7ok say\u0131da \u015fiddetli yanarda\u011f p\u00fcsk\u00fcrmesi ger\u00e7ekle\u015fmi\u015f oldu\u011fundan, tefra kronolojinin kurucusu olan Sigurdur Thorarisson burada k\u00fcl y\u0131\u011f\u0131lmas\u0131 \u00f6ncesinde ve sonras\u0131nda olu\u015fan jeolojik ve arkeolojik olaylar\u0131n ayr\u0131nt\u0131l\u0131 bir kronolojisini olu\u015fturabilmi\u015ftir. Thorarisson tefra kronoloji yard\u0131m\u0131yla \u0130zlanda\u2019daki iklim de\u011fi\u015fiklikleri ve bunun \u0130zlanda\u2019n\u0131n ekolojisi \u00fczerindeki etkileri konusunda ayr\u0131nt\u0131l\u0131 bir \u00e7al\u0131\u015fma yapm\u0131\u015ft\u0131r.<\/p>\n
Tefra kronoloji \u00e7al\u0131\u015fmalar\u0131 Japonya\u2019da da \u00f6nem ta\u015f\u0131r; Japon bilim adamlar\u0131 bu bilimin geli\u015fmesine \u00f6nemli katk\u0131larda bulunmu\u015flard\u0131r. Kuzey Amerika\u2019n\u0131n bat\u0131s\u0131nda Pleyistosen B\u00f6l\u00fcmde (y. 2,5 milyon-10 bin y\u0131l \u00f6nce) yanarda\u011flardan p\u00fcsk\u00fcren k\u00fcller incelenmi\u015f ve birbirinden 2.000 km uzakl\u0131ktaki k\u00fcl katmanlar\u0131 ili\u015fkilendirilmi\u015ftir. K\u00fcller, kara alanlar\u0131ndan okyanus havzalar\u0131na do\u011fru izlenir ve b\u00f6ylece kara k\u00f6kenli stratigrafik \u00e7\u00f6keller ile deniz \u00e7\u00f6kelleri aras\u0131nda ili\u015fki kurulur.<\/p>\n","protected":false},"excerpt":{"rendered":"
Tefra kronoloji, k\u00fcl (tefra) katmanlar\u0131ndan yararlan\u0131larak ger\u00e7ekle\u015ftirilen tarihleme y\u00f6ntemidir. K\u00fcl katmanlar\u0131 \u00e7ok duyarl\u0131 sonu\u00e7lar veren stratigrafik zaman i\u015faretleridir; ama bir jeolojik kronoloji olu\u015fturmak i\u00e7in, olanakl\u0131 en geni\u015f bir alan \u00fczerinde…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[92],"tags":[2961],"class_list":["post-8073","post","type-post","status-publish","format-standard","hentry","category-bilim","tag-kronoloji"],"_links":{"self":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/8073"}],"collection":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8073"}],"version-history":[{"count":1,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/8073\/revisions"}],"predecessor-version":[{"id":8074,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/8073\/revisions\/8074"}],"wp:attachment":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8073"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8073"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8073"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}