Soo koob maqaalka:  (CNN) Saynisyahannadu waxay walaac ka muujiyeen baraf weyn oo si degdeg ah u khafiifaya Antarctica, iyagoo ka digaya inay si weyn gacan uga geysan karto kor u kaca heerarka badda. Waxay sheegeen inay heleen labo godod oo biyaha kulul ee bada ka soo daadan karaan si ay u gaarsiiyaan salka barafka weyn ee Totten Glacier ayna u horseedi karaan khatar sii kordheysa. Barafkani waa ka weyn yahay kana dhaqso badan barafka kale ee bariga Antarctica. Waxay ka kooban tahay baraf ku filan oo kor u qaadi kara heerka badda adduunka ugu yaraan 11 fuudh (3.4 mitir), sida laga soo xigtay cilmi baarayaasha Jaamacadda Texas ee Austin oo ka mid ahaa qorayaasha daraasad cusub oo lagu daabacay toddobaadkan joornaalka Nature Geoscience. Saynisyahannadu waxay horey u ogaadeen biyaha kulul ee dhinaca badda ee barafka. laakin ilaa hada wax cadeymo ah majiraan oo sheegaya iney qarxin karto xeebta "Hadda waxaan ognahay inay jiraan wadooyin ay biyaha ugu kulul ee Bariga Antarctica ay ku galaan meelaha ugu nugul ee Totten Glacier", ayuu yiri Jamin Greenbaum, oo ah Jaamacadda Texas Ph.D. musharrax iyo qoraaga ugu horreeya ee daraasadda. Labada irdood ee bada hoosteeda ku yaal ee hoos u dhigaya barafka ayaa sharrax ka bixinaya sababta Totten Glacier ay si dhaqso ah ugu dhalaalayso. Seynisyahanada ayaa horay uga digay cawaaqibta barafka dhalaalaya ee galbeedka Antarctica. NASA ayaa sheegtay sanadkii la soo dhaafay in barafka ku soo laabanaya meelaha qaar "ay u muuqato mid aan la joojin karin". Korodhka heerka bada ee ay keeni doonto dhalaalida barafka oo dhan ee Totten Glacier ayaa lagu qiyaasay inay u dhiganto ka qayb qaadashada burburka dhammaan barafka Galbeedka Antarctic. Warbixin Qaramada Midoobay ay soo saartay oo ku saabsan isbedelka cimilada sanadkii la soo dhaafay ayaa lagu qiyaasay in heerka biyaha badda ay kor u kici karaan inta u dhaxaysa 1 fuudh iyo 3 fuudh marka la gaaro 2100. kororkaas oo kale ah ayaa sababi kara in tobanaan milyan oo qof oo ku nool xeebaha aduunka ay ka barakacaan. Laakiin xisaabtaas kuma jirto baaritaankii ugu danbeeyay ee Antarctica. "In kasta oo dhalaalida Totten ay qaadan karto dhowr qarni, mar haddii isbeddelku bilaabmo falanqaynteena ayaa muujineysa inay u badan tahay inay noqon doonto mid aan laga soo kaban karin", Greenbaum ayaa ku yiri faallooyinka ay soo xigatay Waaxda Antarctic ee Australia. Waxaa...
Daraasad cusub ayaa muujineysa in banaan baxa uu halis ku yahay baraf aad u weyn oo biyo kulul leh. Totten Glacier waa ka weyn yahay kana dhaqso badan dhammaan barafka kale ee bariga Antarctica.