Ndi chiyani chomwe chili kuseri kwa makoma oundana a Antarctica?

Choonadi kuseri kwa khoma lalikulu la ayezi la Antarctica ndi chiyani? Kodi alipodi? Kodi pangakhale china china chobisika kuseri kwa khoma lozizira kosathali?

Kontinenti yayikulu komanso yodabwitsa ya Antarctica nthawi zonse yakhala yochititsa chidwi komanso yochititsa chidwi kwa ofufuza, asayansi, komanso akatswiri a chiwembu. Chifukwa cha nyengo yoipa komanso malo oundana, chigawo chakumwera kwenikweni kwa dziko lathu lapansi sichinadziwike ndipo sichikudziwika. Ena amakhulupirira kuti kontinentiyi n’kumene kuli zitukuko zakale, malo ankhondo achinsinsi, ngakhalenso zamoyo zakuthambo. Ena amatsutsa kuti cholinga chenicheni cha Antarctica chikubisidwa kwa anthu ndi gulu lopanda mthunzi la osankhika.

Antarctica ice wall
© iStock

Kuonjezera apo, ziphunzitso za Flat Earth zafalikira kwa zaka zambiri, koma zochitika zaposachedwa pa intaneti zimawonjezera chinthu china ku chiphunzitsocho - kunena kuti dziko lapansi likuzunguliridwa ndi khoma la ayezi.

Beyond The Great South Wall: Chinsinsi cha Antarctic ndi buku la 1901 lolembedwa ndi Frank Savile. Palibe kwenikweni "khoma lalikulu la ayezi" kumapeto kwa dziko. Dziko lapansi ndi dziko lapansi, kutanthauza kuti si lathyathyathya. Pakhoza kukhala makoma oundana pa kontinenti ya Antarctica, koma kupitirira apo pali ayezi, chipale chofewa, ndi nyanja.

Ndi chiyani chomwe chili kuseri kwa makoma oundana a Antarctica? 1
Mawonekedwe amlengalenga a Large ice shelf ku Antarctica. © iStock

Akatswiri amanena kuti mfundo yakuti dziko lonse lapansi kuli madzi oundana n’njopeka komanso n’zosatheka.

Antarctica ndi kontinenti yomwe ili ku Southern Hemisphere. Deta ya satelayiti ikuwonetsa kuti sikufalikira padziko lonse lapansi. Kuphatikiza apo, khoma la ayezi silingakhale lokhazikika, asayansi a ku Antarctic adatero.

Antarctica ndi kontinenti yomwe ili ku Southern Hemisphere. Satellite data kuchokera ku NASA ndi makampani odziyimira pawokha akuwonetsa dziko lapansi ngati chilumba chokhala ndi mathero otsimikizika.

Komanso, glacial geologist Bethan Davies ananena kuti sikukanatheka kuti khoma loganiziridwa kuti la ayezi likhalepo popanda malo otalikirana nawo.

Anthu akhala akuyendera dera la Antarctic kuyambira kumapeto kwa zaka za m'ma 1760. Anthu angapo azungulira kontinentiyo, zomwe sizikanatheka zikanakhala “khoma la ayezi kuzungulira Dziko Lapansili lafulati.”

Chifukwa chake, zonena kuti Antarctica ndi khoma la ayezi lomwe limazungulira dziko lapansi lathyathyathya ndilobodza kwathunthu. Zithunzi za satellite zikuwonetsa mawonekedwe a kontinenti, yomwe si khoma la ayezi padziko lonse lapansi. Ofufuza azungulira dzikolo, ndipo anthu amapitako chaka chilichonse. Kuphatikiza apo, lingaliro la khoma la ayezi silili lowona kuchokera pamawonekedwe ake.