{"id":101,"date":"2026-02-01T09:00:40","date_gmt":"2026-02-01T12:00:40","guid":{"rendered":"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/?page_id=101"},"modified":"2026-03-03T08:27:36","modified_gmt":"2026-03-03T11:27:36","slug":"fisica-nuclear-na-arqueologia","status":"publish","type":"page","link":"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/fisica-nuclear-na-arqueologia\/","title":{"rendered":"F\u00edsica Nuclear na Arqueologia"},"content":{"rendered":"<p style=\"text-align: center;\">Atrav\u00e9s de uma rea\u00e7\u00e3o nuclear a radia\u00e7\u00e3o c\u00f3smica d\u00e1 origem ao carbono 14, que entra no ciclo do carbono, sendo incorporado \u00e0s plantas e a todos os organismos vivos.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-102\" src=\"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-content\/uploads\/sites\/7\/2026\/02\/fisica_nuclear_na_arqueologia_01.jpg\" alt=\"\" width=\"600\" height=\"289\" srcset=\"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-content\/uploads\/sites\/7\/2026\/02\/fisica_nuclear_na_arqueologia_01.jpg 600w, https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-content\/uploads\/sites\/7\/2026\/02\/fisica_nuclear_na_arqueologia_01-300x145.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p style=\"text-align: center;\">Os organismos morrem, as trocas com o ambiente cessam e apenas o decaimento nuclear \u00e9 respons\u00e1vel pela diminui\u00e7\u00e3o no conte\u00fado de carbono 14.<\/p>\n<div class=\"text-center mb-3\"><img loading=\"lazy\" decoding=\"async\" class=\"mx-3\" src=\"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-content\/uploads\/sites\/7\/2026\/02\/fisica_nuclear_na_arqueologia_02.png\" alt=\"\" width=\"300\" height=\"234\" \/><img loading=\"lazy\" decoding=\"async\" class=\"mx-3\" src=\"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-content\/uploads\/sites\/7\/2026\/02\/fisica_nuclear_na_arqueologia_03.png\" alt=\"\" width=\"300\" height=\"234\" \/><img loading=\"lazy\" decoding=\"async\" class=\"mx-3\" src=\"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-content\/uploads\/sites\/7\/2026\/02\/fisica_nuclear_na_arqueologia_04.png\" alt=\"\" width=\"300\" height=\"234\" \/><\/div>\n<p style=\"text-align: center;\">Ossos de animais e humanos, carv\u00f5es de fogueira e diversos outros materiais encontrados em s\u00edtios arqueol\u00f3gicos podem ter sua idade determinada pela quantidade de carbono 14 remanescente.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-107\" src=\"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-content\/uploads\/sites\/7\/2026\/02\/fisica_nuclear_na_arqueologia_05.png\" alt=\"\" width=\"430\" height=\"414\" srcset=\"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-content\/uploads\/sites\/7\/2026\/02\/fisica_nuclear_na_arqueologia_05.png 430w, https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-content\/uploads\/sites\/7\/2026\/02\/fisica_nuclear_na_arqueologia_05-300x289.png 300w\" sizes=\"auto, (max-width: 430px) 100vw, 430px\" \/><\/p>\n<p>Leia mais sobre esse tema:<\/p>\n<p>Macario, K. D., et al. \u201cChronological model of a Brazilian Holocene shellmound (Sambaqui da Tarioba, Rio de Janeiro, Brazil).\u201d Radiocarbon 56.2 (2014): 489-499.<\/p>\n<p><a href=\"https:\/\/doi.org\/10.2458\/56.16954\">https:\/\/doi.org\/10.2458\/56.16954<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Atrav\u00e9s de uma rea\u00e7\u00e3o nuclear a radia\u00e7\u00e3o c\u00f3smica d\u00e1 origem ao carbono 14, que entra no ciclo do carbono, sendo incorporado \u00e0s plantas e a todos os organismos vivos. Os organismos morrem, as trocas com o ambiente cessam e apenas o decaimento nuclear \u00e9 respons\u00e1vel pela diminui\u00e7\u00e3o no conte\u00fado de carbono 14. Ossos de animais [&hellip;]<\/p>\n","protected":false},"author":149,"featured_media":90,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-101","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-json\/wp\/v2\/pages\/101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-json\/wp\/v2\/users\/149"}],"replies":[{"embeddable":true,"href":"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-json\/wp\/v2\/comments?post=101"}],"version-history":[{"count":7,"href":"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-json\/wp\/v2\/pages\/101\/revisions"}],"predecessor-version":[{"id":214,"href":"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-json\/wp\/v2\/pages\/101\/revisions\/214"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-json\/wp\/v2\/media\/90"}],"wp:attachment":[{"href":"https:\/\/inct-fna.if.uff.br\/408419-2024-5\/wp-json\/wp\/v2\/media?parent=101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}