{"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\/ro\/cryosat_esa_s_eye_on_earth_s_ice\/","title":{"rendered":"CryoSat \u2013 \u201eochiul\u201d ESA asupra ghe\u021bii de pe P\u0103m\u00e2nt"},"content":{"rendered":"<div class=\"lede\">\n<p>ESA este pe punctul de a lansa cel mai avansat satelit creat vreodat\u0103 pentru m\u0103surarea stratului de ghea\u021b\u0103 al P\u0103m\u00e2ntului. Misiunea CryoSat a ren\u0103scut din cenu\u0219\u0103 dup\u0103 ce primul satelit a fost pierdut \u00een urma unei defec\u021biuni a rachetei de lansare, \u00een octombrie 2005. Acum, noul satelit \u00eembun\u0103t\u0103\u021bit, CryoSat-2, este preg\u0103tit pentru lansare pe 8 aprilie. Acesta va fi plasat pe o orbit\u0103 polar\u0103, la 700 km deasupra P\u0103m\u00e2ntului, cu ajutorul unei rachete ruse\u0219ti Dnepr, care va fi lansat\u0103 de la cosmodromul Baikonur din Kazahstan.<\/p>\n<\/div>\n<p>Acoperirea cu ghea\u021b\u0103 este cartografiat\u0103 din spa\u021biu de mul\u021bi ani de sateli\u021bi precum Envisat. Minimele record \u00eenregistrate recent \u00een ceea ce prive\u0219te suprafa\u021ba acoperit\u0103 de ghea\u021ba marin\u0103 arctic\u0103 \u00een timpul verii indic\u0103 faptul c\u0103 la polul nord au loc schimb\u0103ri semnificative. Totu\u0219i, acest lucru nu ofer\u0103 o imagine complet\u0103 a modului \u00een care schimb\u0103rile climatice ar putea afecta regiunile polare. Oamenii de \u0219tiin\u021b\u0103 sunt, de asemenea, interesa\u021bi s\u0103 afle cum se modific\u0103 grosimea ghe\u021bii. Calotele de ghea\u021b\u0103 de pe uscat au o grosime de mai mul\u021bi kilometri. Dac\u0103 acestea \u00eencep s\u0103 dispar\u0103, ar putea avea loc cre\u0219teri semnificative ale nivelului m\u0103rii, cu inunda\u021bii \u00een zonele de coast\u0103, inclusiv \u00een marile ora\u0219e.<\/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 este observatorul ideal al ghe\u021bii. Acesta este echipat cu un radar cu microunde care func\u021bioneaz\u0103 \u00een orice condi\u021bii meteorologice \u0219i care capteaz\u0103 ecourile unor impulsuri radar scurte reflectate de suprafa\u021ba ghe\u021bii. Instrumentul poate m\u0103sura cu mare precizie orice varia\u021bii ale grosimii ghe\u021bii care plute\u0219te pe oceanele polare. De asemenea, va monitoriza \u00eendeaproape vastele calote glaciare care acoper\u0103 Groenlanda \u0219i Antarctica. \u00cen urm\u0103torii trei p\u00e2n\u0103 la cinci ani, satelitul va detecta schimb\u0103ri de p\u00e2n\u0103 la un centimetru pe an.<\/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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