{"id":1017,"date":"2010-02-18T14:27:00","date_gmt":"2010-02-18T13:27:00","guid":{"rendered":"https:\/\/kids.esa.int\/cryosat_esa_s_eye_on_earth_s_ice\/"},"modified":"2026-10-08T00:34:55","modified_gmt":"2026-10-07T22:34:55","slug":"cryosat_esa_s_eye_on_earth_s_ice","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/sl\/cryosat_esa_s_eye_on_earth_s_ice\/","title":{"rendered":"CryoSat \u2013 ESA-jevo oko, usmerjeno v zemeljski led"},"content":{"rendered":"<div class=\"lede\">\n<p>ESA bo kmalu izstrelila najnaprednej\u0161i satelit za merjenje ledene odeje na Zemlji doslej. Misija CryoSat se je ponovno o\u017eivela, potem ko je bil prvi satelit izgubljen zaradi okvare nosilne rakete oktobra 2005. Zdaj je novi, izbolj\u0161ani CryoSat-2 pripravljen na izstrelitev 8. aprila. Ruska raketa Dnepr, ki bo izstreljena iz kozmodroma Bajkonur v Kazahstanu, ga bo umestila v polarno orbito, 700 km nad Zemljo.<\/p>\n<\/div>\n<p>Ledena pokrivina se \u017ee vrsto let kartira iz vesolja s sateliti, kot je Envisat. Nedavne rekordno nizke vrednosti povr\u0161ine, ki jo poleti pokriva arkti\u010dni morski led, ka\u017eejo, da se na vrhu sveta dogajajo pomembne spremembe. Vendar to ne pojasnjuje celotne slike o tem, kako podnebne spremembe vplivajo na polarne regije. Znanstveniki \u017eelijo ugotoviti tudi, kako se spreminja debelina ledu. Ledene plo\u0161\u010de na kopnem so debele ve\u010d kilometrov. \u010ce bi se za\u010dele taliti, bi lahko pri\u0161lo do velikega dviga morske gladine, kar bi povzro\u010dilo poplave v obalnih obmo\u010djih, vklju\u010dno z ve\u010djimi mesti.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"4647\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2010\/01\/Canadian_Arctic_and_Greenland_as_seen_by_Envisat2\" 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\/2010\/01\/canadian_arctic_and_greenland_as_seen_by_envisat2\/17912740-2-eng-GB\/Canadian_Arctic_and_Greenland_as_seen_by_Envisat.jpg\" alt=\"Canadian Arctic and Greenland as seen by Envisat\"><\/figure>\n<p>CryoSat je idealni opazovalec ledu. Opremljen je z mikrovalovnim radarjem, ki deluje v vseh vremenskih razmerah in zazna odmeve kratkih radarskih impulzov, ki se odbijajo od ledene povr\u0161ine. Instrument lahko z veliko natan\u010dnostjo meri kakr\u0161ne koli spremembe v debelini ledu, ki plava na polarnih oceanih. Prav tako bo pozorno spremljal obse\u017ene ledene pokrove, ki prekrivajo Grenlandijo in Antarktiko. V naslednjih treh do petih letih bo satelit zaznal spremembe, ki bodo zna\u0161ale le en centimeter na leto.<\/p>","protected":false},"excerpt":{"rendered":"<p>ESA is about to launch the most advanced satellite ever to measure Earth\u2019s ice cover. The CryoSat mission has come back from the dead after the first satellite was lost [&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\/2009\/09\/cryosat2\/17868562-2-eng-GB\/CryoSat.jpg","esa_banner_description":"CryoSat","esa_banner_credit":"ESA\/P. 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