Petermann Glacier, wanda ke arewa maso yammacin Greenland, na iya wargajewa sakamakon hauhawar yanayin zafi a yankin. NASA ta buga a shafinta na Twitter wani hoto da aka ɗauka a cikin tsarin aikin IceBridge, wanda aka keɓe don nazarin canje-canjen da ke faruwa a kowace shekara a cikin kankara.
Kuna iya tunanin cewa ƙaramar tsaga ce, amma ba ta da nisa da wani, wanda ya fi faɗi da tsawo. Idan sun taru, wani muhimmin ɓangare na kankara zai cire.
Hoto - NASA
Gilashin Petermann, daya daga cikin manya a Greenland, yana da tsayin kilomita 70, fadinsa ya kai kilomita 15, kuma kaurin da ya fara daga 600m a gindinsa zuwa 30-80m a gabansa. Stef Lhermite, wani masanin kimiyya dan kasar Holland a Jami'ar Fasaha ta Delft, shi ne na farko da ya yi nazarin karayar da ta faru a wannan katafaren dusar kankara, wanda aka gani a hotunan da aka dauka daga sararin samaniya.
NASA ta iya gano hakan fissure ya faru kusa da tsakiyar kangon kankara na iyo, wurin da yake kawo shakku game da samuwar sa. Dukansu ana iya ganin su a cikin wannan hoton, wanda aka ɗauke shi daga jirgin sama:
Hoto - NASA
Ba zai zama babban yanki na farko da za a keɓe ba: a cikin 2010 da 2012, an cire mayaƙan kankara biyu daga kankara. Amma abin da ya fi damun masana kimiyya shi ne idan yanayin zafi ya ci gaba da hauhawa, kankara za ta narke cikin teku ta sa matakin ta ya tashi. Idan kuwa hakan ta tabbata, dole ne mu sake yin taswirar duniya baki daya, ba tare da ambaton matakan da za mu dauka don hana ambaliyar gidajen mu ba.
Sabili da haka, yana da mahimmanci a san abin da ke faruwa a duniyar don kare shi.