{"id":987,"date":"2006-02-27T10:08:00","date_gmt":"2006-02-27T09:08:00","guid":{"rendered":"https:\/\/kids.esa.int\/greenland_s_melting_glaciers\/"},"modified":"2026-10-08T00:34:33","modified_gmt":"2026-10-07T22:34:33","slug":"greenland_s_melting_glaciers","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/cs\/greenland_s_melting_glaciers\/","title":{"rendered":"Taj\u00edc\u00ed ledovce v Gr\u00f3nsku"},"content":{"rendered":"<div class=\"lede\">\n<p>Navzdory sv\u00e9mu n\u00e1zvu je Gr\u00f3nsko t\u00e9m\u011b\u0159 cel\u00e9 pokryto obrovskou ledovou pokr\u00fdvkou. \u00dadaje z n\u011bkolika satelit\u016f ESA v\u0161ak nazna\u010duj\u00ed, \u017ee tato b\u00edl\u00e1 pokr\u00fdvka taje rychleji, ne\u017e se o\u010dek\u00e1valo.<\/p>\n<\/div>\n<p>Nejnov\u011bj\u0161\u00ed studie gr\u00f3nsk\u00fdch ledovc\u016f vych\u00e1z\u00ed z \u00fadaj\u016f shrom\u00e1\u017ed\u011bn\u00fdch \u010dty\u0159mi dru\u017eicemi ob\u00edhaj\u00edc\u00edmi kolem Zem\u011b v letech 1996 a\u017e 2005. Evropsk\u00e9 satelity pro d\u00e1lkov\u00fd pr\u016fzkum Zem\u011b ERS-1 a ERS-2 agentury ESA, satelit Envisat agentury ESA a kanadsk\u00fd satelit Radarsat-1 jsou v\u0161echny vybaveny radarov\u00fdmi p\u0159\u00edstroji, kter\u00e9 mohou pozorovat povrch ve dne i v noci, a to i p\u0159i hust\u00e9 obla\u010dnosti.<\/p>\n<p>Zejm\u00e9na Eric Rignot z Laborato\u0159e pro tryskov\u00e9 pohonn\u00e9 syst\u00e9my NASA a v\u011bdec Pannir Kanagaratnam z Kansask\u00e9 univerzity se zaj\u00edmali o m\u011b\u0159en\u00ed zm\u011bn v\u00fd\u0161ky gr\u00f3nsk\u00e9ho ledov\u00e9ho \u0161t\u00edtu.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1500\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2006\/02\/Envisat_image_of_Rinks_Isbrae_glacier_Greenland2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2006\/02\/envisat_image_of_rinks_isbrae_glacier_greenland2\/17892242-2-eng-GB\/Envisat_image_of_Rinks_Isbrae_glacier_Greenland.jpg\" alt=\"Envisat image of Rinks Isbrae glacier, Greenland\"><figcaption>Sn\u00edmek ledovce Rinks Isbrae z dru\u017eice Envisat, Gr\u00f3nsko<\/figcaption><\/figure>\n<p>Na z\u00e1klad\u011b anal\u00fdzy satelitn\u00edch dat v\u011bdci zjistili, \u017ee ledovce v ji\u017en\u00ed a st\u0159edn\u00ed \u010d\u00e1sti Gr\u00f3nska se pohybuj\u00ed sm\u011brem k mo\u0159i rychleji. V d\u016fsledku oteplov\u00e1n\u00ed klimatu se mno\u017estv\u00ed ledu, kter\u00e9 se z nich uvol\u0148uje do Atlantsk\u00e9ho oce\u00e1nu, za posledn\u00edch 10 let zdvojn\u00e1sobilo. V\u011bdci vypo\u010d\u00edtali, \u017ee Gr\u00f3nsko p\u0159isp\u00edv\u00e1 p\u0159ibli\u017en\u011b 0,5 mm ro\u010dn\u011b k celosv\u011btov\u00e9mu vzestupu hladiny mo\u0159e, kter\u00fd \u010din\u00ed asi 2,5 mm ro\u010dn\u011b.<\/p>\n<p>Budouc\u00ed studie vyu\u017e\u00edvaj\u00edc\u00ed satelity jako Envisat a ERS poskytnou z\u00e1sadn\u00ed informace o tom, jak se v dlouhodob\u00e9m horizontu vyv\u00edj\u00ed ledov\u00fd pokryv a hladina mo\u0159e.<\/p>\n<p>Gr\u00f3nsko je nejv\u011bt\u0161\u00ed ostrov na sv\u011bt\u011b. Jeho ledov\u00fd p\u0159\u00edkrov pokr\u00fdv\u00e1 plochu t\u00e9m\u011b\u0159 2 miliony km\u00b2 a m\u00e1 pr\u016fm\u011brnou tlou\u0161\u0165ku 2,3 km. Kdyby se ve\u0161ker\u00fd led rozt\u00e1l, glob\u00e1ln\u00ed hladina mo\u0159e by stoupla a\u017e o sedm metr\u016f.<\/p>","protected":false},"excerpt":{"rendered":"<p>Despite its name, Greenland is almost entirely covered by a huge sheet of ice. However, data from several ESA satellites suggest that this white blanket is melting faster than expected. [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2006\/02\/envisat_image_of_south_greenland2\/17899607-2-eng-GB\/Envisat_image_of_South_Greenland.jpg","esa_banner_description":"Envisat image of South Greenland","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2006\/02\/Envisat_image_of_South_Greenland2","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[42,10,66],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-987","post","type-post","status-publish","format-standard","hentry","category-earth","category-learn","category-water-world"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/987","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/comments?post=987"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/987\/revisions"}],"predecessor-version":[{"id":4779,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/987\/revisions\/4779"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/media?parent=987"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/categories?post=987"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/tags?post=987"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/panel?post=987"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/language?post=987"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/age?post=987"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/duration?post=987"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/resource_type?post=987"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/audience?post=987"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/wf_post_folders?post=987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}