{"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\/nb\/esa_satellites_track_antarctic_ice\/","title":{"rendered":"ESA-satellitter overv\u00e5ker isen i Antarktis"},"content":{"rendered":"<div class=\"lede\">\n<p>Forskere har brukt satellitter i bane rundt Jorden til \u00e5 overv\u00e5ke en gruppe p\u00e5 30 frosne isbreer i Antarktis. De har gjort et bekymringsfullt funn: isbreene mister mer og mer is for hvert \u00e5r. Dette er bekymringsfullt fordi det er et tegn p\u00e5 at planeten v\u00e5r blir varmere p\u00e5 grunn av klimaendringene.<\/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 av Western Palmer Land-breene<\/figcaption><\/figure>\n<p>De 30 isbreene som er unders\u00f8kt, ligger i et omr\u00e5de som kalles Western Palmer Land. Det meste av isen her ligger faktisk under havniv\u00e5, og hvis denne smelter, kan enorme isblokker over havniv\u00e5et bryte av og drive av g\u00e5rde. Hvis de driver ut i enda varmere havomr\u00e5der, kan de smelte helt bort!<\/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-satellittene hjelper oss med \u00e5 overv\u00e5ke v\u00e5r planet, som er i stadig endring<\/figcaption><\/figure>\n<p>Satellitter har overv\u00e5ket isbreene rundt Antarktis i mer enn 20 \u00e5r. ESA-satellitter som Envisat og Sentinel-1 har bidratt til dette. Skyer kan blokkere satellittenes utsikt, men radarutstyr gj\u00f8r det mulig for dem \u00e5 se gjennom skyene og observere isbreene nedenfor. Til tross for dette er det tidspunkter og steder hvor forskerne ikke hadde tilgang til satellittdata. For \u00e5 fylle ut disse hullene brukte de en avansert datasimulering for \u00e5 forutsi hva som skjedde med isbreene.<\/p>\n<p>ESA-satellittene vil fortsette \u00e5 overv\u00e5ke isbreene, ta bilder og samle inn data. Denne informasjonen er uvurderlig for oss her nede p\u00e5 jorden, siden vi m\u00e5 se hvordan planeten v\u00e5r endrer seg og hva vi kan gj\u00f8re med det!<\/p>\n<p><b>Et interessant faktum:<\/b> 10% av jordens landareal er dekket av isbreer!<\/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. 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