{"id":276127,"date":"2017-07-12T14:13:47","date_gmt":"2017-07-12T12:13:47","guid":{"rendered":"http:\/\/hudo.com\/si\/?p=276127"},"modified":"2017-07-12T14:13:47","modified_gmt":"2017-07-12T12:13:47","slug":"od-antarktike-se-je-odlomila-orjaska-ledena-plosca","status":"publish","type":"post","link":"https:\/\/hudo.com\/si\/aktualno\/od-antarktike-se-je-odlomila-orjaska-ledena-plosca\/","title":{"rendered":"Od Antarktike se je odlomila orja\u0161ka ledena plo\u0161\u010da"},"content":{"rendered":"

Odlomljeno ledeno plo\u0161\u010do so danes zaznali ameri\u0161ki sateliti na ledeni polici Antarktike, imenovani Larsen C. Znanstveniki so sicer ta premik pri\u010dakovali, saj so \u017ee ve\u010d kot desetletje opazovali razpoko v ledeni polici. Od leta 2014 se je razpoka pospe\u0161eno \u0161irila, zato je bilo po poro\u010danju britanske mre\u017ee BBC neizbe\u017eno, da se bo plo\u0161\u010da slej kot prej odlomila.<\/p>\n

Ledena plo\u0161\u010da zavzema pribli\u017eno 6000 kvadratnih kilometrov, njena debelina je ve\u010d kot 200 metrov. Po predvidevanjih znanstvenikov z univerze Swansea v Walesu se bo premikala po\u010dasi in ne preve\u010d dale\u010d, kljub temu pa jo bo treba nadzorovati. Tokovi in veter bi jo namre\u010d lahko potisnili na sever Antarktike, kjer bi lahko ogro\u017eala ladijski promet.<\/p>\n

Plo\u0161\u010da, ki jo bodo po poro\u010danju francoske tiskovne agencije AFP najverjetneje poimenovali “A68”, tehta ve\u010d kot tiso\u010d milijard ton, a po mnenju znanstvenikov sama po sebi ne bo vplivala na vi\u0161ino vodne gladine.<\/p>\n

Ker pa se je zaradi velikosti plo\u0161\u010de, ki se je odlomila, povr\u0161ina ledene police Larsen C zmanj\u0161ala za 12 odstotkov, obstaja bojazen, da bo polica postala precej nestabilna. Ledene police namre\u010d niso del celine, pa\u010d pa lebdijo na vodi in delujejo kot orja\u0161ke “zavore”, ki ledenikom prepre\u010dujejo, da bi se razlili neposredno v morje.<\/p>\n

\u010ce bi se ledeniki, ki jih sedaj zadr\u017euje Larsen C, razlili v Ju\u017eni ocean, bi se gladina svetovnih morij zvi\u0161ala za deset centimetrov, opozarjajo raziskovalci. Pred nekaj leti sta se denimo \u017ee sesedli ledeni polici Larsen A in Larsen B.<\/p>\n

Zato bodo raziskovalci \u0161e naprej opazovali, kaj se bo v prihodnje dogajalo s polico Larsen C, pozorni pa bodo tudi na usodo odlomljene ledene plo\u0161\u010de. To je sicer te\u017eko napovedati, saj bi lahko ostala v enem kosu, lahko pa bi tudi razpadla.<\/p>\n

Topljenje ledenih polic je sicer naravni proces, ki pa ga po mnenju znanstvenikov pospe\u0161uje globalno segrevanje. V primerjavi s predindustrijsko dobo se je temperatura na Zemlji zvi\u0161ala za eno stopinjo Celzija, Antarktika pa je ena izmed regij, ki se najhitreje segreva.<\/p>\n","protected":false},"excerpt":{"rendered":"

Od Zahodne Antarktike se je odlomila orja\u0161ka ledena plo\u0161\u010da, velika 6000 kvadratnih kilometrov in te\u017eka ve\u010d kot tiso\u010d milijard ton. Po mnenju znanstvenikov plo\u0161\u010da sicer ve\u010djih te\u017eav ne bo povzro\u010dila, jih pa skrbi usoda ledene police, od katere se je odlomila.<\/p>\n","protected":false},"author":8,"featured_media":276136,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1179],"tags":[4260],"source":[4511],"supertag":[6103],"acf":[],"yoast_head":"\nOd Antarktike se je odlomila orja\u0161ka ledena plo\u0161\u010da - Hudo Slovenija<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hudo.com\/si\/aktualno\/od-antarktike-se-je-odlomila-orjaska-ledena-plosca\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Od Antarktike se je odlomila orja\u0161ka ledena plo\u0161\u010da - Hudo Slovenija\" \/>\n<meta property=\"og:description\" content=\"Od Zahodne Antarktike se je odlomila orja\u0161ka ledena plo\u0161\u010da, velika 6000 kvadratnih kilometrov in te\u017eka ve\u010d kot tiso\u010d milijard ton. Po mnenju znanstvenikov plo\u0161\u010da sicer ve\u010djih te\u017eav ne bo povzro\u010dila, jih pa skrbi usoda ledene police, od katere se je odlomila.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hudo.com\/si\/aktualno\/od-antarktike-se-je-odlomila-orjaska-ledena-plosca\/\" \/>\n<meta property=\"og:site_name\" content=\"Hudo Slovenija\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/hudo.si\" \/>\n<meta property=\"article:published_time\" content=\"2017-07-12T12:13:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hudo.com\/si\/wp-content\/uploads\/sites\/2\/2017\/07\/profimedia-0160360825.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"992\" \/>\n\t<meta property=\"og:image:height\" content=\"1250\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"M. 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