{"id":459,"date":"2016-08-01T11:19:00","date_gmt":"2016-08-01T09:19:00","guid":{"rendered":"https:\/\/kids.esa.int\/greenland_s_melting_ice_revealed_by_esa_satellite\/"},"modified":"2026-10-08T00:28:27","modified_gmt":"2026-10-07T22:28:27","slug":"greenland_s_melting_ice_revealed_by_esa_satellite","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/cs\/greenland_s_melting_ice_revealed_by_esa_satellite\/","title":{"rendered":"Taj\u00edc\u00ed led v Gr\u00f3nsku zachycen\u00fd satelitem ESA"},"content":{"rendered":"<div class=\"lede\">\n<p>Satelit ESA s n\u00e1zvem CryoSat m\u011b\u0159\u00ed mno\u017estv\u00ed ledu v Gr\u00f3nsku. Zjistil, \u017ee doch\u00e1z\u00ed k rozs\u00e1hl\u00e9mu t\u00e1n\u00ed ledu. Pevn\u00fd led se m\u011bn\u00ed na tekutou vodu, kter\u00e1 pot\u00e9 proud\u00ed do mo\u0159\u00ed, \u010d\u00edm\u017e zp\u016fsobuje jejich stoup\u00e1n\u00ed. To mnoho lid\u00ed znepokojuje, proto\u017ee stoupaj\u00edc\u00ed hladina mo\u0159\u00ed zp\u016fsobuje \u0159adu probl\u00e9m\u016f, jako jsou z\u00e1plavy v pob\u0159e\u017en\u00edch m\u011bstech a obc\u00edch po cel\u00e9m sv\u011bt\u011b.<\/p>\n<\/div>\n<p>V\u011bdci se domn\u00edvaj\u00ed, \u017ee gr\u00f3nsk\u00fd led taje v d\u016fsledku glob\u00e1ln\u00ed klimatick\u00e9 zm\u011bny. Zem\u011b se otepluje a teplo led rozt\u00e1p\u00ed. P\u0159\u00ed\u010diny glob\u00e1ln\u00ed klimatick\u00e9 zm\u011bny jsou slo\u017eit\u00e9, ale p\u0159edpokl\u00e1d\u00e1 se, \u017ee \u010d\u00e1ste\u010dn\u011b za ni mohou emise z automobil\u016f a tov\u00e1ren.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"Planetary Visions\/CPOM\/UCL\/ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2016\/07\/CryoSat_has_been_measuring_the_thickness_of_ice\" 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\/2016\/07\/cryosat_has_been_measuring_the_thickness_of_ice\/17888542-2-eng-GB\/CryoSat_has_been_measuring_the_thickness_of_ice.jpg\" alt=\"CryoSat has been measuring the thickness of ice\"><\/figure>\n<p>CryoSat velmi p\u0159esn\u011b m\u011b\u0159\u00ed v\u00fd\u0161ku rozs\u00e1hl\u00fdch gr\u00f3nsk\u00fdch ledovc\u016f. K tomu vyu\u017e\u00edv\u00e1 \u0161pi\u010dkov\u00fd p\u0159\u00edstroj zvan\u00fd radarov\u00fd v\u00fd\u0161kom\u011br. Kdy\u017e se CryoSat nach\u00e1z\u00ed nad Gr\u00f3nskem, radarov\u00fd v\u00fd\u0161kom\u011br vys\u00edl\u00e1 energetick\u00e9 impulsy p\u0159\u00edmo dol\u016f na led pod sebou. Tato energie se od ledu odr\u00e1\u017e\u00ed a pot\u00e9 se vrac\u00ed zp\u011bt k radarov\u00e9mu v\u00fd\u0161kom\u011bru. Na z\u00e1klad\u011b m\u011b\u0159en\u00ed doby, za kterou se energie vr\u00e1t\u00ed, je mo\u017en\u00e9 vypo\u010d\u00edtat, jak vysok\u00fd je led. Satelit CryoSat je schopen prov\u00e1d\u011bt m\u011b\u0159en\u00ed pod\u00e9l okraj\u016f ledov\u00fdch \u0161t\u00edt\u016f, kde ve skute\u010dnosti doch\u00e1z\u00ed k v\u011bt\u0161in\u011b zm\u011bn!<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"Library image\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2016\/07\/Ice_is_important_for_life_on_Earth_and_maintaining_a_healthy_climate\" 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\/2016\/07\/ice_is_important_for_life_on_earth_and_maintaining_a_healthy_climate\/17885693-2-eng-GB\/Ice_is_important_for_life_on_Earth_and_maintaining_a_healthy_climate.jpg\" alt=\"Ice is important for life on Earth and maintaining a healthy climate\"><\/figure>\n<p>CryoSat je dobr\u00fdm p\u0159\u00edkladem toho, jak satelity na ob\u011b\u017en\u00e9 dr\u00e1ze kolem Zem\u011b pom\u00e1haj\u00ed sledovat na\u0161i planetu. Pokud nev\u00edme, \u017ee existuje n\u011bjak\u00fd probl\u00e9m, nem\u016f\u017eeme nic ud\u011blat pro jeho vy\u0159e\u0161en\u00ed! D\u00edky CryoSatu nyn\u00ed dob\u0159e ch\u00e1peme, jak t\u00e1n\u00ed ledu v Gr\u00f3nsku zvy\u0161uje hladinu mo\u0159\u00ed, a m\u016f\u017eeme se tak l\u00e9pe p\u0159ipravit na \u0159e\u0161en\u00ed tohoto probl\u00e9mu.<\/p>\n<p><b>Zaj\u00edmavost:<\/b> CryoSat ob\u00edh\u00e1 ve v\u00fd\u0161ce p\u0159ibli\u017en\u011b 717 km nad zemsk\u00fdm povrchem \u2013 t\u00e9m\u011b\u0159 dvakr\u00e1t tak vysoko jako Mezin\u00e1rodn\u00ed vesm\u00edrn\u00e1 stanice!<\/p>","protected":false},"excerpt":{"rendered":"<p>An ESA satellite called CryoSat has been measuring the amount of ice in Greenland. It has discovered that a lot of ice has been melting. The solid ice is turning [&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\/2016\/07\/cryosat_is_in_orbit_around_earth\/17911898-2-eng-GB\/CryoSat_is_in_orbit_around_Earth.jpg","esa_banner_description":"CryoSat is in orbit around Earth","esa_banner_credit":"ESA\/AOES Medialab","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2016\/07\/CryoSat_is_in_orbit_around_Earth","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":[64,42,10],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-459","post","type-post","status-publish","format-standard","hentry","category-climate-change","category-earth","category-learn"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/459","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=459"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/459\/revisions"}],"predecessor-version":[{"id":4493,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/459\/revisions\/4493"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/media?parent=459"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/categories?post=459"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/tags?post=459"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/panel?post=459"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/language?post=459"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/age?post=459"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/duration?post=459"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/resource_type?post=459"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/audience?post=459"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/wf_post_folders?post=459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}