Arktika ve Antarktika<\/p>\n
Karalarda buzdan kal\u0131n bir z\u0131rh ve donmu\u015f toprak, denizlerde buzda\u011flar\u0131, \u00e7ok so\u011fuk ve g\u00fcne\u015fsiz bir k\u0131\u015f. \u0130nsan kutup b\u00f6lgelerini b\u00f6yle d\u00fc\u015f\u00fcn\u00fcyor. Ya\u015fam ko\u015fullar\u0131n\u0131n a\u011f\u0131rl\u0131\u011f\u0131 nedeniyle bu b\u00f6lgeler bug\u00fcne de\u011fin insanlar\u0131n y\u0131k\u0131c\u0131 m\u00fcdahalesinden kurtulmu\u015f. Kutuplar\u0131n gerek atmosfer, gerekse d\u00fcnya iklimi \u00fcst\u00fcndeki d\u00fczenleyici etkileri ise tart\u0131\u015f\u0131lm\u0131yor bile. Kutup buzlar\u0131ndaki bir erimenin yery\u00fcz\u00fc \u00e7ap\u0131nda iklim de\u011fi\u015fikliklerine yol a\u00e7aca\u011f\u0131, bunun da t\u00fcm insanl\u0131k i\u00e7in \u00e7ok k\u00f6t\u00fc sonu\u00e7lar verece\u011fi biliniyor.
\nYerk\u00fcremizin kuzey ve g\u00fcneyindeki buzdan \u00f6rt\u00fcler, b\u00fct\u00fcn de\u011fi\u015fmez g\u00f6r\u00fcnt\u00fclerine kar\u015f\u0131n, D\u00fcnya\u2019n\u0131n 4,5 milyar y\u0131ll\u0131k ya\u015fam\u0131nda daha \u00e7ok kural d\u0131\u015f\u0131 bir durum olu\u015fturur. Bug\u00fcnk\u00fc bilgilerimize g\u00f6re yery\u00fcz\u00fcnde \u00fc\u00e7 b\u00fcy\u00fck so\u011fuk d\u00f6nemi ya\u015fanm\u0131\u015ft\u0131r. Bunlardan biri 750, biri de 250 milyon y\u0131l \u00f6nce yer alm\u0131\u015ft\u0131r; \u00fc\u00e7\u00fcnc\u00fcs\u00fc olan \u201cB\u00fcy\u00fck Buzul \u00c7a\u011f\u0131\u201d ise yakla\u015f\u0131k 2 milyon y\u0131l \u00f6nce, Pleyistosen B\u00f6l\u00fcm\u2019de ba\u015flam\u0131\u015ft\u0131r ve g\u00fcn\u00fcm\u00fczde de s\u00fcrmektedir. G\u00fcn\u00fcm\u00fcze en yak\u0131n bu jeolojik d\u00f6nemde buzullar en az d\u00f6rt kez bug\u00fcn Avrupa, Asya ve Amerika\u2019da \u0131l\u0131man iklim ku\u015fa\u011f\u0131 i\u00e7inde olduklar\u0131 bilinen b\u00f6lgelere kadar inmi\u015f, aralardaki s\u0131cak d\u00f6nemlerde de kutuplarla y\u00fcksek da\u011flar\u0131n tepelerinde bug\u00fcn bulunduklar\u0131 s\u0131n\u0131rlara, hatta daha da gerilere \u00e7ekilmi\u015ftir. Alman buzul \u00e7a\u011f\u0131 ara\u015ft\u0131rmac\u0131s\u0131 Albrecht Penck (1858-1945) bu d\u00f6rt buzul kat\u0131na, \u00fclkesinin g\u00fcneyinde \u00e7al\u0131\u015fmalar\u0131n\u0131 s\u00fcrd\u00fcrerek onlar\u0131n varl\u0131\u011f\u0131n\u0131 kan\u0131tlad\u0131\u011f\u0131 b\u00f6lgedeki k\u00fc\u00e7\u00fck \u0131rmaklar\u0131n ad\u0131n\u0131 vermi\u015fti: G\u00fcnz, Mindel, Riss ve W\u00fcrm.
\n Yakla\u015f\u0131k 10.000 y\u0131l \u00f6nce W\u00fcrm Buzul Kat\u0131\u2019n\u0131n sona ermesinden beri yery\u00fcz\u00fc yeni bir s\u0131cak d\u00f6nem ya\u015famaktad\u0131r. Kutuplardaki ve Gr\u00f6nland\u2019daki buz katmanlar\u0131na bak\u0131l\u0131rsa D\u00fcnya\u2019n\u0131n hala \u201cbuzlanmaya yatk\u0131n\u201d oldu\u011fu s\u00f6ylenebilir. Ama 4,5 milyar y\u0131ll\u0131k ya\u015fam\u0131n\u0131n b\u00fcy\u00fck bir b\u00f6l\u00fcm\u00fcn\u00fc buzsuz ge\u00e7irdi\u011fi anla\u015f\u0131l\u0131yor. O zamanlar s\u0131cak, hatta tropik bir iklim \u00e7ok daha geni\u015f bir alana yay\u0131l\u0131yormu\u015f. B\u00fcy\u00fck su k\u00fctleleri buz olarak karalara ba\u011fl\u0131 olmad\u0131\u011f\u0131ndan, denizlerin d\u00fczeyi bug\u00fcnk\u00fcne g\u00f6re 60 m daha y\u00fcksekmi\u015f ve karalar\u0131n \u00f6nemli bir b\u00f6l\u00fcm\u00fc suyun alt\u0131ndaym\u0131\u015f.<\/p>\n","protected":false},"excerpt":{"rendered":"
Arktika ve Antarktika Karalarda buzdan kal\u0131n bir z\u0131rh ve donmu\u015f toprak, denizlerde buzda\u011flar\u0131, \u00e7ok so\u011fuk ve g\u00fcne\u015fsiz bir k\u0131\u015f. \u0130nsan kutup b\u00f6lgelerini b\u00f6yle d\u00fc\u015f\u00fcn\u00fcyor. Ya\u015fam ko\u015fullar\u0131n\u0131n a\u011f\u0131rl\u0131\u011f\u0131 nedeniyle bu b\u00f6lgeler bug\u00fcne de\u011fin insanlar\u0131n y\u0131k\u0131c\u0131 m\u00fcdahalesinden kurtulmu\u015f. Kutuplar\u0131n gerek atmosfer, gerekse d\u00fcnya iklimi \u00fcst\u00fcndeki d\u00fczenleyici etkileri ise tart\u0131\u015f\u0131lm\u0131yor bile. Kutup buzlar\u0131ndaki bir erimenin yery\u00fcz\u00fc \u00e7ap\u0131nda iklim …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1403,1406],"tags":[3458,4303,2796,2107,4302,4304],"class_list":["post-1525","post","type-post","status-publish","format-standard","hentry","category-odevler","category-sosyal-bilgiler-odevleri","tag-antarktika","tag-arktika","tag-atmosfer","tag-dunya","tag-kutup-bolgeleri","tag-tropik"],"_links":{"self":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts\/1525","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/comments?post=1525"}],"version-history":[{"count":0,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts\/1525\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/media?parent=1525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/categories?post=1525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/tags?post=1525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}