Hoto - NASA
Kamar yadda muke yin tsokaci kwanan nan a cikin blog, narkewa yana barin yankin Antarctic kyauta. A cikin kwanaki biyu da suka gabata, abin da aka riga ake kira dutsen kankara mafi girma a duniya: Larsen C.
Yana yin nauyi a cikin tiriliyan tan, duk idanu sun kasance akan shi na dogon lokaci. Kuma, menene zai faru yanzu? A yanzu, Antarctica ba za ta ƙara zama ɗaya ba; ba a banza ba, ya rasa sama da kashi 12% na yankin kankararsa.
Babban dutsen kankara, kodayake ya kasance yana shawagi na wani lokaci, ba zai yi tasiri kai tsaye kan matakin teku ba; Yanzu masana kimiyya sun damu saboda sun gano cewa murfin kankara na Antarctica ba shi da karko sosai fiye da yadda fashewar ta samo asali, ma'ana sabon kankara na iya ƙirƙira a cikin gajere ko matsakaici.
An yi karatun Larsen C na keta doka na dogon lokaci, tun lokacin da dandalin Larsen A ya rushe a 1995, kuma a cikin 2002 Larsen B. A wannan shekarar, 2017, daga Janairu zuwa Yuni tsawon tsagin Larsen C ya ƙaru da fiye da 200km. An haɗe shi da nahiyar ta hanyar layin kankara mai faɗi kilomita 4,5, har zuwa ƙarshe, tsakanin 10 ga 12 ga Yuli, ya tsattsage gaba ɗaya.
Hoton - Businessinsider.com
Ba a san abin da zai faru daga yanzu ba; Wataƙila, dutsen kankara zai rabe cikin gutsure da yawa waɗanda zasu iya yin tasiri a ƙarshen tekun. Duk da haka, babban abin damuwa shine idan matsakaita yanayin duniya ya ci gaba da hauhawa, Antarctica na iya ƙarewa da kankara.
Muna bin wannan binciken gano bakin cikin Sentinel-1 tauraron dan adam na Hukumar Kula da Sararin Samaniya ta Turai, wanda shi ne aka yi amfani da shi don lura da ci gaban Lissen C fissure a cikin shekarar da ta gabata, da zuwa tauraron dan adam na Aqua MODIS da kayan aikin Suomi VIRS. daga NASA.
Don ƙarin bayani, danna nan.