ʻO ka papa hau hau nui ʻo Larsen C ma Antarctica e haki

Paepae Larsen C

Kiʻi - NASA

ʻOiai mākou e ʻōlelo nei i kēia manawa i ka moʻomanaʻo, ke waiho nei ka luʻu i ka ʻāina Antarctic me ka hau ʻole. I nā lā ʻelua i hala aku nei, he aha ka mea i kapa ʻia ka hau hau nui loa ma ka honua nei: ka Larsen C.

Ke kaupaona nei i kahi kālā he miliona, ua kau nā maka āpau iā ia no ka manawa lōʻihi. A ʻo ia, he aha ka mea e hana ʻia i kēia manawa? I kēia manawa, ʻaʻole e like ke ʻano o Antarctica; ʻaʻole makehewa, ua nalowale ma mua o 12% o kāna ʻāpana hau.

ʻO ka hau hau nui, ʻoiai e lana ana no kekahi manawa, ʻaʻole e pili pololei i ka pae kai; I kēia manawa hopohopo nā ʻepekema no ka mea ua ʻike lākou ua ʻoi aku ka liʻiliʻi o ka paʻa o ka uhi hau a Antarctica ma mua o ka hoʻomaka ʻana o ka māwae, ʻo ia hoʻi hiki ke hana i nā hau hau hou i ka wā pōkole a i ʻole waena.

Ua aʻo ʻia ka wāwahi Larsen C no ka manawa lōʻihi, mai ka wā i hiolo ai ka papaha Larsen A ma 1995, a ma 2002 Larsen B. I kēia makahiki, 2017, mai Ianuali a Iune ua hoʻonui ʻia ka lōʻihi o ka māwae ʻo Larsen C ma mua o 200km. Ua hoʻohui ʻia i ka ʻāina ma kahi laina hau ʻehā he 4,5 km, a i ka hopena, ma waena o Iulai 10 a me 12, ua haki loa ia.

Paepae Larsen C

Kiʻi - Businessinsider.com

ʻAʻole ʻike ʻia ka mea e hiki mai ana ma kēia hope aku; ʻo ka hapanui paha, e haki ka hau hau i nā ʻāpana he nui i hiki ke hopena i ka pae kai. Eia nō naʻe, ʻo ka mea hopohopo nui inā kū mau ka mahana o ka mahana. Hiki ke pau ka hau i ka Antarctica.

Loaʻa iā mākou kēia ʻike kaumaha i ka ukali Sentinel-1 o ka European Space Agency, ʻo ia ka mea i hoʻohana ʻia e nānā i ka hoʻomohala ʻana o ka mokuna Larsen C i ka makahiki i hala, a me ka satellite Aqua MODIS a me ka mea kani Suomi VIRS, nā mea ʻelua. mai NASA.

No ka 'ike hou aku, e kaomi maʻaneʻi.


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