{"id":435,"date":"2017-07-17T10:04:00","date_gmt":"2017-07-17T08:04:00","guid":{"rendered":"https:\/\/kids.esa.int\/gigantic_iceberg_now_floating_free\/"},"modified":"2026-10-08T00:28:10","modified_gmt":"2026-10-07T22:28:10","slug":"gigantic_iceberg_now_floating_free","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/ro\/gigantic_iceberg_now_floating_free\/","title":{"rendered":"Un aisberg gigantic plute\u0219te acum liber"},"content":{"rendered":"<div class=\"lede\">\n<p>\u00cen ultimele c\u00e2teva luni, o fisur\u0103 mare a str\u0103b\u0103tut o bucat\u0103 imens\u0103 de ghea\u021b\u0103 din Antarctica. Sateli\u021bii Sentinel-1 ai ESA au observat acum c\u0103 ghea\u021ba s-a desprins complet, form\u00e2nd unul dintre cei mai mari aisberguri \u00eenregistra\u021bi vreodat\u0103.<\/p>\n<\/div>\n<figure class=\"wp-block-image size-large\" data-width=\"849\" data-credit=\"contains modified Copernicus Sentinel data (2017), processed by ESA, CC BY-SA 3.0 IGO\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/07\/Ice_crack_seen_by_Sentinel-2A\" data-licence=\"CC BY-SA 3.0 IGO or 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\/07\/ice_crack_seen_by_sentinel-2a\/17906200-2-eng-GB\/Ice_crack_seen_by_Sentinel-2A.jpg\" alt=\"Ice crack seen by Sentinel-2A\"><figcaption>O fisur\u0103 \u00een ghea\u021b\u0103 observat\u0103 de Sentinel-2A<\/figcaption><\/figure>\n<p>De fapt, fisura a ap\u0103rut pentru prima dat\u0103 cu c\u00e2\u021biva ani \u00een urm\u0103, dar la \u00eenceput nu s-a extins prea mult. Situa\u021bia s-a schimbat la \u00eenceputul anului 2016, c\u00e2nd a \u00eenceput s\u0103 se lungeasc\u0103. Numai \u00een ianuarie 2017 s-a extins cu 20 km, ajung\u00e2nd la o lungime total\u0103 de 175 km. La \u00eenceputul lunii iulie 2017, mai erau doar c\u00e2\u021biva kilometri \u00eentre v\u00e2rful fisurii \u0219i ocean. De atunci, oamenii de \u0219tiin\u021b\u0103 a\u0219teapt\u0103 ca fisura s\u0103 ajung\u0103 la ocean, separ\u00e2nd astfel un aisberg uria\u0219 de Antarctica.<\/p>\n<p>Din p\u0103cate, Antarctica se \u00eendreapt\u0103 spre lunile \u00eentunecate de iarn\u0103, c\u00e2nd lumina este slab\u0103 \u0219i vremea rea este frecvent\u0103, ceea ce \u00eengreuneaz\u0103 observarea chiar \u0219i cu ajutorul sateli\u021bilor. Pentru a dep\u0103\u0219i aceast\u0103 problem\u0103, oamenii de \u0219tiin\u021b\u0103 din cadrul Proiectului MIDAS, un grup de cercetare antarctic condus de Universitatea Swansea din Marea Britanie, au folosit echipamentul de imagistic\u0103 radar al sateli\u021bilor Sentinel pentru a vedea dincolo de \u00eentuneric \u0219i nori.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1500\" data-credit=\"P. Nyquist\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/07\/Trekking_out_for_CryoSat\" 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\/07\/trekking_out_for_cryosat\/17900569-2-eng-GB\/Trekking_out_for_CryoSat.jpg\" alt=\"Trekking out for CryoSat\"><figcaption>Excursie pentru CryoSat<\/figcaption><\/figure>\n<p>\u00cen plus, oamenii de \u0219tiin\u021b\u0103 au folosit un alt satelit al ESA, numit CryoSat, pentru a urm\u0103ri evolu\u021bia situa\u021biei. CryoSat este echipat cu un dispozitiv numit altimetru radar, capabil s\u0103 m\u0103soare \u00een\u0103l\u021bimea \u0219i grosimea ghe\u021bii. Acesta ne-a ar\u0103tat c\u0103 fisura avea zeci de metri ad\u00e2ncime \u0219i nu era doar o fisur\u0103 superficial\u0103 la suprafa\u021b\u0103.<\/p>\n<p>Acest nou aisberg gigantic are o suprafa\u021b\u0103 de aproximativ 6000 km\u00b2 \u0219i c\u00e2nt\u0103re\u0219te peste un milion de milioane de tone! Este dificil de prev\u0103zut ce se va \u00eent\u00e2mpla cu el \u00een continuare. Este posibil s\u0103 r\u0103m\u00e2n\u0103 \u00een deriv\u0103 \u00een aceast\u0103 zon\u0103 timp de mul\u021bi ani. Sau s-ar putea s\u0103 se fragmenteze \u00een aisberguri mai mici, care ar putea deriva spre nord, \u00een ape mai calde, unde ghea\u021ba s-ar topi.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1500\" data-credit=\"ESA\u2013Pierre\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/07\/Artist_s_impression_of_Sentinel-1B\" 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\/07\/artist_s_impression_of_sentinel-1b\/17899311-2-eng-GB\/Artist_s_impression_of_Sentinel-1B.jpg\" alt=\"Artist\u2019s impression of Sentinel-1B\"><figcaption>Reprezentare artistic\u0103 a satelitului Sentinel-1B<\/figcaption><\/figure>\n<p>Pierderea unei astfel de suprafe\u021be uria\u0219e de ghea\u021b\u0103 din Antarctica ar putea cauza probleme. Atunci c\u00e2nd s-au produs fenomene similare \u00een trecut, acestea au accelerat curgerea ghe\u021barilor c\u0103tre oceane, contribuind la cre\u0219terea nivelului m\u0103rii pe P\u0103m\u00e2nt.<\/p>\n<p>Vestea bun\u0103 este c\u0103, gra\u021bie sateli\u021bilor ESA, putem fi la curent cu schimb\u0103rile prin care trece planeta noastr\u0103, mai ales \u00een locuri foarte greu accesibile, precum Antarctica. Cu c\u00e2t avem mai multe informa\u021bii, cu at\u00e2t putem proteja mai bine planeta noastr\u0103 \u0219i via\u021ba de pe ea!<\/p>\n<p><b>Un fapt interesant:<\/b> Aisbergul con\u021bine aproximativ aceea\u0219i cantitate de ap\u0103 ca \u0219i Lacul Ontario din America de Nord!<\/p>","protected":false},"excerpt":{"rendered":"<p>For the last few months a large crack has been cutting across a vast chunk of ice in Antarctica. ESA\u2019s Sentinel-1 satellites have now seen the ice completely break away, [&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\/07\/larsen_c_breaks2\/17881808-2-eng-GB\/Larsen_C_breaks.jpg","esa_banner_description":"Larsen C breaks","esa_banner_credit":"contains modified Copernicus Sentinel data (2017), processed by ESA, CC BY-SA 3.0 IGO","esa_banner_licence":"CC BY-SA 3.0 IGO or ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/07\/Larsen_C_breaks2","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":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-435","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/comments?post=435"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/435\/revisions"}],"predecessor-version":[{"id":4471,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/435\/revisions\/4471"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/media?parent=435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/categories?post=435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/tags?post=435"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/panel?post=435"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/language?post=435"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/age?post=435"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/duration?post=435"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/resource_type?post=435"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/audience?post=435"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/wf_post_folders?post=435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}