Narkewar kogin tashin kiyama yana nuna bala'i... ya manne da farcensa

A cikin wani gargadi mai ban tsoro, da yawa daga cikin masana kimiyya sun yi gargadin cewa babbar tashar "Thwaites Iceberg" a yammacin Antarctica, na fuskantar koma baya da ba a taba ganin irinsa ba, wanda zai iya yin barazana ga duniyar.

Sun gano cewa glacier Thwaites, wanda ake kira Resurrection Glacier, na iya komawa cikin sauri a cikin shekaru masu zuwa, yana kara damuwa game da matsanancin hawan tekun da zai iya haifar da mutuwarsa.

A wani bincike da aka buga jiya litinin a cikin mujallar Nature Geoscience, masana kimiyya sun tsara taswirar tarihin dusar kankara, da fatan za su yi koyi da abubuwan da suka faru a baya da kuma hasashen abin da glacier zai iya yi a nan gaba.

Har ila yau, sun gano cewa a wani lokaci a cikin ƙarni biyu da suka wuce, tushen dusar ƙanƙara ya dushe daga benen teku tare da yin ja da baya a tsawon mil 1.3 (kilomita 2.1) a kowace shekara, sau biyu adadin da masana kimiyya suka gani a cikin shekaru goma da suka gabata ko kuma. haka.

Wannan saurin tarwatsewar na iya faruwa "kwanan nan a tsakiyar karni na XNUMX," Alistair Graham, babban marubucin binciken kuma masanin ilimin kimiya na ruwa a Jami'ar Kudancin Florida, ya ce a cikin wata sanarwar manema labarai.

Ya kuma bayyana cewa kogin na da damar yin gudun hijira nan gaba kadan, da zarar ya zarce da wani tudu a tekun da ke taimakawa wajen kiyaye shi.

"ya rike farcen sa"

Robert Larter, masanin ilmin lissafi na ruwa, kuma daya daga cikin wadanda suka rubuta wannan binciken daga wani bincike na Burtaniya, ya ce: “Da gaske ne kogin yana rike da farcensa a yau, kuma ya kamata mu sa ran ganin manyan sauye-sauye a kananan ma’auni a nan gaba – ko da daga shekara. zuwa shekara - da zarar kogin ya koma, dusar ƙanƙara ta wuce wani tudu mara zurfi a gindinsa.

Glacier Thwaites, dake yammacin Antarctica, yana daya daga cikin mafi girma a duniya kuma ya fi jihar Florida girma.

Sai dai wani yanki ne na tudun kankara na yammacin Antarctic, wanda ya ƙunshi isassun ƙanƙara da zai ɗaga matakin teku da ya kai ƙafa 16, a cewar NASA.