Arewacin Afirka na iya canzawa zuwa kore ta canjin yanayi

Hamada ta Aljeriya

Idan muka tuna da Afirka, musamman ma a yankin arewacin, nan take hamada take tuna mu; wataƙila zango ne, amma kaɗan kuma. Yankin da rayuwa ke da wahalar rayuwa, ba a banza ba, yanayin rana ya wuce 45ºC, kuma ruwan sama ya yi karanci ta yadda babu yadda tsiro zai yi girma. Amma wannan na iya canzawa.

Dangane da binciken da wata tawaga karkashin jagorancin Jacob Schewe da Anders Levermann suka gudanar, wanda aka wallafa shi a tsarin Earth System Dynamics, ya bayyana cewa hauhawar digiri 2 kawai a ma'aunin Celsius na iya juya Arewacin Afirka zuwa gonar bishiya.

Inara yawan ruwan sama a yankuna busassun galibi labari ne mai daɗi, amma zai fi kyau idan da waɗannan canje-canjen sun faru ne ta ɗabi'a ba sakamakon ƙona burbushin mai ba. Haka ne, mu mutane muna da iko da ikon canza canjin yanayi kuma, sakamakon haka, muna saka hatsari cikin hatsari. Har yanzu, a yankunan tsakiyar Mali, Nijar da Chadi ruwan sama na iya taimaka musu wajen dacewa da canjin yanayi, amma ba zai daina kasancewa kalubale ba ga yankin da sauran matsaloli suka riga suka wanzu, kamar yaƙi ko yunwa.

A cewar masana kimiyya, wadannan yankuna na iya samun ruwan sama kamar na arewacin Kamaru, wanda yanki ne da ke da yanayin zafi mai dumbin yawa da ciyayi. Wannan yana nufin cewa za a sami ƙaruwa tsakanin kashi 40 zuwa 300% na ruwan sama, wanda zai mayar da Arewacin Afirka tamkar wani lambu.

Maroko hamada

Duk da yake ba a san lokacin da wannan canjin zai faru ba, Levermann ya bayyana hakan na iya faruwa ba da daɗewa ba: »Da zarar zafin jiki ya kusan zuwa mashiga - digiri biyu a ma'aunin Celsius - yanayin ruwan sama na iya canzawa cikin fewan shekaru.

Kuna iya karanta cikakken nazarin ta hanyar yin Latsa nan.


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