Sanyin duniya

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Sakamakon nazarin tsarin rana da duniyarmu, masana kimiyya sun tabbatar da cewa a halin yanzu barazanar sanyaya Duniya na rataye. Wannan matsalar ta ta'allaka ne da cewa a hankali a hankali a hankali ana samun sanyin duniya, a sakamakon hakan zafin shekara-shekara na sauka da darajoji da yawa. Idan wani bala'in yanayi ya faru, duniya zata iya daskarewa, kamar yadda tayi a lokacin Ice Age.

Tarihin matsalar matsalar sanyaya duniya

Lokacin sanyaya na duniya shine na ƙarshe akan duniyar a ƙarni na 17. A wancan lokacin, yanayin zafi ya sauko zuwa matakan ƙwarai. Bayanin farko na sanyaya duniya an rubuta shi daga masanin Ingilishi, kuma a cikin girmama shi wannan lokaci ana kiransa "Maunder minimum", wanda ya kasance daga 1645-1715. Kamar yadda shaidun gani da ido suka shaida, hatta Kogin Thames ya daskarewa.

A cikin shekarun 1940-1970s, zato ne game da sanyaya duniya gabaɗaya. Lokacin da, sakamakon bunkasar tattalin arziki cikin sauri da ayyukan masana'antu, yanayin iska ya fara tashi da sauri, masana kimiyya sun fara magana game da dumamar yanayi. Ba da daɗewa ba, wannan batun ya fara tattaunawa sosai, kuma bayanin ya isa ga gama gari. Don haka, an manta da ka'idar sanyin sanyi na wani lokaci.

Yanayin matsalar yanzu

Masana sun sake yin magana game da haɗarin lokacin hunturu na nukiliya lokacin da barazanar kai harin nukiliya kan biranen. Bugu da kari, yanzu wannan tsinkayen ya tabbatar da shi ta sabon bincike na masana kimiyya. Sun samo wasu baƙaƙen tabo a rana, kuma a cikin 2030 sabuwar rana zata fara, tare da sanyaya duniya. Wannan zai faru ne saboda raƙuman ruwa guda biyu na haskakawa zasu nuna junan su, don haka cannotarfin Rana bazai iya dumama Duniya ba. Sannan duniyar zata iya rayuwa cikin gajeren lokaci na "zamanin kankara". Za a yi tsananin sanyi na tsawon shekaru 10. Masana ilmin taurari sun yi hasashen cewa zafin yanayin zai sauka da kashi 60%.

Wani rukuni na masu bincike sun bayyana cewa ba wannan sanyin sanyi ba, ko waɗanda ake hangowa a nan gaba, mutane ba za su iya tsayawa ba. Yayin da wasu ke damuwa game da dumamar yanayi, barazanar "zamanin kankara" na kara matsowa. Lokaci ya yi da za a sayi tufafi masu ɗumi, dumama da ƙirƙira hanyoyin tsira a cikin mawuyacin yanayi na ƙarancin sanyi. Akwai sauran lokaci kaɗan da za a shirya don sanyi na gabatowa. Koyaya, waɗannan zato ne kawai na masana kimiyya, zamu ga sakamakon ba da daɗewa ba.

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Kalli bidiyon: AFRICA TV 3. SHIRIN: AFRICA A YAU. DOMIN LAFIYARKU. WARIN BAKI. DR. ABDULWAHAB ZAKARIYYA (Disamba 2024).