An rubuta mafi ƙarancin tarihin kankara na Antarctic

Iceberg a Antarctica

Dalilin? Dangane da binciken da masana kimiyya suka yi daga Masarautar Biritaniya ta Antarctic Survey (BAS), wanda aka buga a mujallar Rubuce-rubucen Rubuce-rubucen Nazarin Gudanarwa, ya kasance sananne hadari jerin ya faru tsakanin watannin Satumba zuwa Nuwamba 2016.

Wadannan al'amuran sun kawo iska mai zafi da iska mai karfi wanda, a hade, bai narke ba kuma bai gaza hakan ba 75.000 murabba'in kilomita dubu na kankara teku a kowace rana, wanda zai yi daidai da rasa yanki na kankara kamar girman Panama kowane awa 24.

Wannan ita ce raguwa mafi ban mamaki da aka gani tun lokacin da aka fara rubuce-rubuce a cikin 1978. Ya kamata a lura cewa ruwan kankaraKamar yadda John Turner, masanin kimiyyar yanayi a BAS kuma jagoran marubucin binciken ya bayyana, fata sosai, mita mai kauri a matsakaita. Wannan ya sa shi mai rauni sosai zuwa iska mai karfi.

Shin ana iya danganta wannan lamarin da canjin yanayi? Gaskiyar ita ce, a'a. Gaskiya ne cewa masana kimiyya suna amfani da kankalin teku a matsayin mai nuna sauyin yanayi, kuma a zahiri, a cewar Turner, rikodin kifayen teku yana ba masana kimiyya alamun yadda kankara take. baya daga Antarctica, amma yana da wahala ka kwatanta wannan bayanan da bayanan tauraron dan adam. Bugu da kari, yana nuna cewa yanayin Antarctic yana da matukar canzawa.

Narke a Antarctica

Hoton - NASA GODDARD SPACE FLIGHT CENTER

Abin da suke da yakini shi ne idan hayaki mai gurbata yanayi na ci gaba da tashi Mai yuwuwa da karfi guguwar na iya kasancewa a tsakiyar tsaunuka. Koyaya, a wannan lokacin ba za a iya tabbatar da cewa guguwar ƙarshen 2016 saboda ayyukan ɗan adam ne.

Har zuwa lokacin, yankin kankara na tekun Antarctic ya karu sosai, wanda yake da matukar sha'awar masana kimiyya, waɗanda suke son gano dalilin da yasa kankara ta girma idan matsakaicin yanayin duniya yana ƙaruwa. Wataƙila wannan haɓakar ita ce mafi halayyar canjin yanayi.


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