{"id":453,"date":"2017-05-04T09:57:00","date_gmt":"2017-05-04T07:57:00","guid":{"rendered":"https:\/\/kids.esa.int\/esa_satellites_track_antarctic_ice\/"},"modified":"2026-10-08T00:28:23","modified_gmt":"2026-10-07T22:28:23","slug":"esa_satellites_track_antarctic_ice","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/da\/esa_satellites_track_antarctic_ice\/","title":{"rendered":"ESA-satellitter overv\u00e5ger isen i Antarktis"},"content":{"rendered":"<div class=\"lede\">\n<p>Forskere har brugt satellitter i kredsl\u00f8b om Jorden til at overv\u00e5ge en gruppe p\u00e5 30 frosne gletsjere i Antarktis. De har gjort en foruroligende opdagelse: Gletsjerne mister mere og mere is for hvert \u00e5r. Det er bekymrende, fordi det er et tegn p\u00e5, at vores planet bliver varmere p\u00e5 grund af klimaforandringerne.<\/p>\n<\/div>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"A. Hogg\/CPOM\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/05\/Part_of_the_Western_Palmer_Land_glaciers\" 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\/2017\/05\/part_of_the_western_palmer_land_glaciers\/17897311-2-eng-GB\/Part_of_the_Western_Palmer_Land_glaciers.jpg\" alt=\"Part of the Western Palmer Land glaciers\"><figcaption>En del af gletsjerne i Western Palmer Land<\/figcaption><\/figure>\n<p>De 30 unders\u00f8gte gletsjere ligger i et omr\u00e5de, der kaldes Western Palmer Land. St\u00f8rstedelen af isen her ligger faktisk under havoverfladen, og hvis den smelter, kan store isklumper ovenover bryde af og drive v\u00e6k. Hvis de driver ud i endnu varmere farvande, kan de smelte helt v\u00e6k!<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"ESA-Pierre Carril\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/05\/ESA_satellites_help_us_to_monitor_our_ever-changing_planet\" 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\/2017\/05\/esa_satellites_help_us_to_monitor_our_ever-changing_planet\/17905497-2-eng-GB\/ESA_satellites_help_us_to_monitor_our_ever-changing_planet.jpg\" alt=\"ESA satellites help us to monitor our ever-changing planet\"><figcaption>ESA\u2019s satellitter hj\u00e6lper os med at overv\u00e5ge vores planet, der er i konstant forandring<\/figcaption><\/figure>\n<p>Satellitter har overv\u00e5get gletsjerne omkring Antarktis i mere end 20 \u00e5r. ESA-satellitter som Envisat og Sentinel-1 har v\u00e6ret en stor hj\u00e6lp. Skyer kan blokere satellitternes udsyn, men radarudstyr g\u00f8r det muligt for dem at se gennem skyerne og observere gletsjerne nedenunder. Alligevel er der tidspunkter og steder, hvor forskerne ikke havde adgang til satellitdata. For at udfylde disse huller anvendte de en avanceret computersimulation til at forudsige, hvad der skete med gletsjerne.<\/p>\n<p>ESA\u2019s satellitter vil fortsat overv\u00e5ge gletsjerne, tage billeder og indsamle data. Disse oplysninger er af uvurderlig v\u00e6rdi for os hernede p\u00e5 Jorden, da vi har brug for at se, hvordan vores planet forandrer sig, og hvad vi kan g\u00f8re ved det!<\/p>\n<p><b>Sjovt faktum:<\/b> 10% af Jordens landareal er d\u00e6kket af gletsjere!<\/p>","protected":false},"excerpt":{"rendered":"<p>Scientists have been using satellites in orbit around Earth to monitor a group of 30 frozen glaciers in Antarctica. They have made a troubling discovery: the glaciers are losing more [&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\/2017\/05\/glaciers_are_huge_pieces_of_ice_that_can_float_across_the_sea\/17896016-2-eng-GB\/Glaciers_are_huge_pieces_of_ice_that_can_float_across_the_sea.jpg","esa_banner_description":"Glaciers are huge pieces of ice that can float across the sea","esa_banner_credit":"B. Jourdain","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/05\/Glaciers_are_huge_pieces_of_ice_that_can_float_across_the_sea","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-453","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\/da\/wp-json\/wp\/v2\/posts\/453","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/comments?post=453"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts\/453\/revisions"}],"predecessor-version":[{"id":4489,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts\/453\/revisions\/4489"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/media?parent=453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/categories?post=453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/tags?post=453"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/panel?post=453"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/language?post=453"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/age?post=453"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/duration?post=453"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/resource_type?post=453"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/audience?post=453"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/wf_post_folders?post=453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}