Kunzima ukucinga ukuba ilizwekazi elibanda njenge-Antarctica, apho kubhalwa khona obona bushushu buphantsi, bunokuba nezityalo ezinkulu, akunjalo? Kodwa utshintsho lwemozulu luvumela kanye loo nto. Kwisiqingatha sokugqibela somsebenzi webhayoloji unyukile, ngophando olupapashwe kwiphephancwadi 'Biology yangoku'.
Ngaba ilizwekazi liza kujika libe luhlaza njengoko lalinjalo kwiminyaka engama-52 yezigidi eyadlulayo?
Isifundo, esenziwa liqela leenzululwazi ezivela kwiDyunivesithi yase-Exeter naseCambridge (eUnited Kingdom), kunye neBritish Antarctic Survey icebisa ukuba olu luvo alufikeleli kude njengoko lwalunjalo kude kube sisiqalo seNguquko kuShishino kwaye abantu baqala ukuba nefuthe elikhulu kwindalo esingqongileyo.
Ngo-2013, iqela labaphandi lagxila ekuhlalutyeni ubusi be-moss obufumaneka emazantsi ePeninsula Peninsula. Emva koko bafumanisa ukuba utshintsho olukhulu kwindalo luyenzeka. Ngoku, Ngokuhlalutya ezinye iindawo ezintlanu, kuye kwaqinisekiswa ukuba olu lutshintsho ngokubanzi.
I-Antarctica yenye yeendawo apho iziphumo zotshintsho lwemozulu zivakala kakhulu. Iqondo lobushushu lenyuke malunga ne-0,5ºC kwishumi ngalinye ukusukela ngo-1950. Ukuba oku kuyaqhubeka, njengoko umkhenkce unyibilika kuyakubakho umhlaba okhululekileyo, ke kuya kubakho indawo eluhlaza ngakumbi kwixesha elizayo.
Okwangoku, ubomi bezityalo kule nxalenye yomhlaba bukho kuphela malunga ne-0,3% yelizwekazi; Nangona kunjalo, Utshintsho lwemozulu luyiguqula luhlaza. Yintoni enokwenzeka kwixesha elizayo? Ukufumanisa, abaphandi baya kuvavanya iirekhodi zebhayiloji ezisusela kumawaka eminyaka eyadlulayo. Ke banokufumanisa ukuba utshintsho lwemozulu lwalubachaphazela njani ngaphambili.
Ukuba ufuna ukwazi ngakumbi, cofa apha.