Wani babban dutsen kankara yana rabuwa daga Antarctica

Iceberg

Un babban ɓangaren kankara Larsen C na Antarctica zai watse don foran watanni masu zuwa don haka zai zama ɗayan manyan gandun kankara 10 mafi girma da aka taɓa gani.

Idan kankara ta ƙarshe ta tsage, kuma kamar yadda alama zata kasance, zai zama sakamakon babbar fashewa a kan kangon kankara wanda ke ci gaba da haɓaka cikin shekaru goman da suka gabata.

Ba zato ba tsammani ya fara girma sama da mil 17,7 a watan Disamba kuma yanzu yakai kilomita 80 tare da kilomita 18,5 kawai don karyewa gaba ɗaya. Ruwa mai dumi a ƙarƙashin kankara da iska mai dumi a sama na iya taimakawa ga haɓakar ɓarkewar ɓarna, kodayake a halin yanzu masana kimiyya ba su da cikakkiyar hujja game da ainihin dalilan.

Malamin Jami’ar Swansea kuma shugaban tawagar masu sa ido kan fasa-kwaurin, Adrian Luckman ya shaida wa BBC cewa idan dusar kankara bata rabu ba A cikin 'yan watanni masu zuwa, kawai zaku yi mamakin cewa hakan bai faru kamar haka ba:

Ba a wadatar ba hotuna marasa girgije daga LandsatAmma mun sami damar hada hotuna biyun na Esa Sentinel-1 don gano girman, don haka da alama kusan ba makawa cewa karyewar gaba daya zata faru.

El matsala ta gaske tare da dutsen kankara shi ne cewa wannan na iya shafar sauran Larsen C. Gidan da ke kusa da kankara an san shi da Larsen B kuma an raba shi cikin dubun-dubata tun shekara ta 2002. Idan Larsen C ya sha wahala irin wannan, matakin teku zai iya tashi da centimita takwas da centimita 20 , wanda zai iya lalata mazaunin bakin teku.

Zai kasance 'yan watanni cewa zamu iya sani idan wannan kankara ta gaske cewa mun riga mun san game da rabuwarsa watanni 4 da suka gabata, ya kasance ba a taɓa shi ba kuma ba a raba shi daga Antarctica ba.


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