{"id":359150,"date":"2022-11-20T07:20:48","date_gmt":"2022-11-20T06:20:48","guid":{"rendered":"https:\/\/www.pcnen.com\/portal\/?p=359150"},"modified":"2022-11-20T07:20:48","modified_gmt":"2022-11-20T06:20:48","slug":"zemlja-moze-regulisati-i-stabilizovati-vlastitu-temperaturu","status":"publish","type":"post","link":"https:\/\/www.pcnen.com\/portal\/2022\/11\/20\/zemlja-moze-regulisati-i-stabilizovati-vlastitu-temperaturu\/","title":{"rendered":"Zemlja mo\u017ee regulisati i stabilizovati vlastitu temperaturu"},"content":{"rendered":"<p><a href=\"https:\/\/news.mit.edu\/2022\/earth-stabilizing-temperature-1116\" target=\"_blank\" rel=\"noopener\">Prema MIT,<\/a> ova\u00a0\u201estabiliziraju\u0107a povratna informacija\u201c\u00a0dio je razloga za\u0161to je Zemlja uspjela ugostiti razli\u010dite oblike \u017eivota u posljednjih 3,7 milijardi godina, prenosi portal provjeri.hr.<\/p>\n<p>Tragaju\u0107i za dokazima, istra\u017eiva\u010di su duboko istra\u017eili postoje\u0107e paleoklimatske podatke prikupljene tokom posljednjih 66 miliona godina, primjenjuju\u0107i matemati\u010dko modeliranje kako bi utvrdili jesu li kolebanja u prosje\u010dnim temperaturama na Zemlji mo\u017eda ograni\u010dena jednim ili vi\u0161e faktora.<\/p>\n<p>Tim MIT-a smatra da je tro\u0161enje silikata klju\u010dni mehanizam u tome kako Zemlja reguli\u0161e svoju temperaturu: kako se silikatne stijene s vremenom tro\u0161e i erodiraju, dublji slojevi minerala stalno su izlo\u017eeni atmosferi.\u00a0Hemijske reakcije sa silikatima izvla\u010de ugljen dioksid iz atmosfere, zadr\u017eavaju\u0107i ga u stijenama i okeanskim sedimentima.<\/p>\n<p>Naravno, vremenske skale stabilizacije temperature odgovaraju vremenskim skalama na kojima djeluje silikatno tro\u0161enje, do oko 400.000 godina.\u00a0Zapisi koje su ostavili fosili i ledena jezgra sugeri\u0161u da ovo tro\u0161enje doista odr\u017eava temperaturu pod kontrolom.<\/p>\n<p>Bez tog mehanizma geolo\u0161ke povratne sprege, sugeri\u0161u istra\u017eiva\u010di, na\u0161a bi planeta prolazila kroz fluktuacije temperature koje postaju sve ekstremnije.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zemlja je sposobna da reguli\u0161e i stabilizuje svoju temperaturu u velikim vremenskim razdobljima, \u010dak i nakon dramati\u010dnih klimatskih promjena, tvrdi se u novom istra\u017eivanju Massachusetts Institute of Technology (MIT).<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[8],"tags":[1142],"class_list":["post-359150","post","type-post","status-publish","format-standard","hentry","category-svastara","tag-klimatske-promjene"],"_links":{"self":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/359150","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/comments?post=359150"}],"version-history":[{"count":1,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/359150\/revisions"}],"predecessor-version":[{"id":359151,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/359150\/revisions\/359151"}],"wp:attachment":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/media?parent=359150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/categories?post=359150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/tags?post=359150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}