400.000 da suka wuce, dumamar yanayi ta shafe guntun kankara na Greenland

Dumamar yanayi na barazanar bacewar kankara Greenland

Dumamar yanayi na shafe kankara a duniya baki daya. Wannan yana da mummunan sakamako a kan dukkan halittun duniya da yanayin zafi. Ruwan narke yana tafe ta hanyar tsallakawa kuma yana haifar da takardar kankara ta Greenland tana ɓacewa.

Wani bincike da Jami'ar Complutense ta Madrid (UCM) ta gudanar ya nuna cewa kimanin shekaru 400.000 da suka gabata akwai dumamar yanayi kwatankwacin na yanzu kuma cewa katon kankara na Greenland kusan ya ɓace gaba ɗaya. Shin hakan zai faru a yau?

Greenland ta narke

Wannan binciken ya gano wanzuwar narkewar da ta kusan sanadiyyar bacewar duk alkyabbar Greenland. Don gano idan dumamar yanayi guda ɗaya na iya haifar da irin wannan lalacewar a yau, sNa sake tsara yanayin yanayin yankin ta hanyar amfani da samfurin kankara-kankara sau biyu.

Da zarar tsarin narkewa ya fara, yana da matukar wuya a dakatar da shi. A canjin yanayi na baya da Duniya ta sha wahala, ya ɗauki shekaru dubu da yawa kafin narkewar ta zama mai mahimmanci. Koyaya, a yau, dumamar yanayin mu na faruwa a cikin ƙarni kaɗan kawai (tun bayan juyin juya halin masana'antu).

Wannan samfurin a karo na farko ya sake fasalin abubuwan da kankara ke da shi dangane da yanayin da ake ciki yanzu a Greenland a lokacin tsaka-tsakin yanayi. Yana da amfani sanin abubuwan da suka gabata na wannan ɗumamar ɗumamar don iya aiki a halin yanzu, ganin cewa yanayin zafin ya ɗan tashi sama da na yanzu da kuma tsayin duniya na tekuna. ya kai matakin tsakanin mita 6 da 13 sama da na yanzu.

Dole ne kuyi tunanin cewa, idan dumamar yanayi da ɓacewar kankara na Greenland sun faru shekaru dubu 400.000 da suka wuce kuma ba tare da ayyukan masana'antu ba, a bayyane yake cewa wannan na iya sake faruwa. Babban mahimmin shine cewa alkyabbar Greenland tana da lamuran sauyin yanayi kaɗan, kuma idan narkewar ta faru sama da shekaru dubu ɗari huɗu da suka gabata, da alama zai sake faruwa.


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