{"id":995,"date":"2007-06-13T09:10:00","date_gmt":"2007-06-13T07:10:00","guid":{"rendered":"https:\/\/kids.esa.int\/envisat_guides_polar_explorers_to_safety\/"},"modified":"2026-10-08T00:34:39","modified_gmt":"2026-10-07T22:34:39","slug":"envisat_guides_polar_explorers_to_safety","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/sv\/envisat_guides_polar_explorers_to_safety\/","title":{"rendered":"Envisat leder polarfarare i s\u00e4kerhet"},"content":{"rendered":"<div class=\"lede\">\n<p>Den 1 mars 2007 gav sig Alain Hubert och Dixie Dansercoer iv\u00e4g p\u00e5 en enast\u00e5ende expedition f\u00f6r att vandra fr\u00e5n Sibirien till Gr\u00f6nland. Tre m\u00e5nader senare, efter m\u00e5nga faror och n\u00e4ra katastrofer, n\u00e4rmar sig deras 2 000 km l\u00e5nga vandring genom den isiga vildmarken sitt slut, tack vare Envisat, ESA:s \u00f6ga i rymden.<\/p>\n<\/div>\n<p>Till en b\u00f6rjan gick allt bra, trots de extremt h\u00e5rda, farliga och fysiskt kr\u00e4vande f\u00f6rh\u00e5llandena. Sedan b\u00f6rjade havsisen ov\u00e4ntat brytas upp n\u00e4r de tv\u00e5 belgiska uppt\u00e4cktsresande n\u00e4rmade sig Gr\u00f6nlands kust. De tv\u00e5 hade inget annat val \u00e4n att f\u00f6rs\u00f6ka hitta en v\u00e4g runt de vidstr\u00e4ckta omr\u00e5dena med \u00f6ppet vatten.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"Leif Toudal Pedersen, Danish National Space Centre, Danish Technical University\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2007\/06\/Sea_ice_in_Nares_Strait_between_Greenland_and_Canada2\" 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\/2007\/06\/sea_ice_in_nares_strait_between_greenland_and_canada2\/17868931-2-eng-GB\/Sea_ice_in_Nares_Strait_between_Greenland_and_Canada.jpg\" alt=\"Sea ice in Nares Strait between Greenland and Canada\"><figcaption>Havsis i Nares-sundet mellan Gr\u00f6nland och Kanada<\/figcaption><\/figure>\n<p>Lyckligtvis kunde de r\u00e4kna med st\u00f6d fr\u00e5n tv\u00e5 instrument ombord p\u00e5 Envisat \u2013 allv\u00e4dersradarsensorn och det optiska MERIS-instrumentet. Genom att noggrant granska satellitbilder av de f\u00f6r\u00e4nderliga isf\u00f6rh\u00e5llandena kunde Leif Toudal Pedersen (Det danska nationella rymdcentret) hj\u00e4lpa uppt\u00e4cktsresande att undvika den snabbt uppl\u00f6sande ismassan.<\/p>\n<p>Teamet befinner sig nu p\u00e5 stabil is. Med mindre \u00e4n 50 km kvar har de fri sikt mot Gr\u00f6nland framf\u00f6r sig. De or\u00e4dda uppt\u00e4cktsresande f\u00f6rv\u00e4ntas n\u00e5 slutet p\u00e5 sin l\u00e5nga vandring genom hela Arktiska bass\u00e4ngen denna vecka.<\/p>\n<p>Deras strapatsrika f\u00e4rd \u00f6ver det ist\u00e4ckta Arktiska havet, k\u00e4nd som Arctic Arc-expeditionen, \u00e4r en av m\u00e5nga vetenskapliga aktiviteter som genomf\u00f6rs under det internationella polar\u00e5ret. De tv\u00e5 erfarna polarfararna var s\u00e4rskilt intresserade av att samla in data om sn\u00f6djupet. Denna information kommer att anv\u00e4ndas f\u00f6r att f\u00f6rbereda ESA:s CryoSat-2-uppdrag, som ska skjutas upp i omloppsbana 2009.<\/p>","protected":false},"excerpt":{"rendered":"<p>On 1 March 2007, Alain Hubert and Dixie Dansercoer set off on a remarkable expedition to walk from Siberia to Greenland. Three months later, after many dangers and near-disasters, their [&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\/2007\/06\/struggling_over_rough_sea-ice_during_the_arctic_arc_expedition2\/17906237-2-eng-GB\/Struggling_over_rough_sea-ice_during_the_Arctic_Arc_expedition.jpg","esa_banner_description":"Struggling over rough sea-ice during the Arctic Arc expedition","esa_banner_credit":"Arctic Arc 2007 - International Polar Foundation","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2007\/06\/Struggling_over_rough_sea-ice_during_the_Arctic_Arc_expedition2","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-995","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\/sv\/wp-json\/wp\/v2\/posts\/995","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/comments?post=995"}],"version-history":[{"count":5,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/995\/revisions"}],"predecessor-version":[{"id":4786,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/995\/revisions\/4786"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/media?parent=995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/categories?post=995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/tags?post=995"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/panel?post=995"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/language?post=995"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/age?post=995"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/duration?post=995"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/resource_type?post=995"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/audience?post=995"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/wf_post_folders?post=995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}