Mepụta eserese mmekọrịta n'etiti oke osimiri

 

N’ezie, ị nụla ma ọ bụ gụọ ọtụtụ ugboro na ka ọ na-erule afọ 2100, oke osimiri nwere ike ịrị elu site na mita 3 ruo 4, na karịa karịa, mana ị maara etu ide mmiri a ga-esi emetụta akụkụ ụwa dị iche iche? Ruo ugbu a, n'ezie, mmadụ nwere ike ịkọ nkọ; Otú ọ dị, ruo taa anyị nwere ike iji eserese mmekọrịta iji nwee nghọta doro anya ma doo anya karị nke ụwa ga-adị ka ya n'ime afọ ole na ole.

Ma ọ bụghị naanị nke ahụ, kama Anyị ga-enwe ike ịmata mpaghara ebe ice na-emetụta ụsọ osimiri nke ụfọdụ obodo kacha mkpa dị nke ụwa.

Ọkà mmụta sayensị na NASA's Jet Propulsion Laboratory ewepụtala a amụma ịkọ amụma nke agbaze glaciers na Greenland na Antarctica ga-emetụta ngụkọta nke obodo 293 ọdụ ụgbọ mmiri gburugburu ụwa. Iji mee nke a, ha tinyere usoro ha "gradient footprint mapping" ma ọ bụ GFM na mkpirisi okwu ya n'asụsụ Bekee, si otú a nweta akara akara gụsịrị akwụkwọ maka ọnọdụ ọ bụla. Mgbanwe nke agba na-egosi ịrị elu nke oke osimiri nke enwere ike ibu amụma maka otu mpaghara Greenland na Antarctica.

Ọ bụ gbazee map ihe na-atọ ụtọ nke ukwuu, ebe ọ bụ na emere ya n’iburu n'uche ọgba aghara dị ike ndọda na ntụgharị ụwa, yana nsonaazụ nke ọnọdụ nke usoro drainage nwere n'obodo ọ bụla. Ya mere, anyị nwere ike ịsị na ọ dị oke ntụkwasị obi.

Dị ka map ahụ si dị, anyị pụrụ ịhụ na agbaze nke Antarctica ga-emetụta ndị Obodo Latin America; glaciers na ọdịda anyanwụ Greenland ga-ebuli ọkwa mmiri site na Barcelona y Gibraltar; ebe ugwu na ọwụwa anyanwụ Greenland ga-emetụta New York na agbaze ebe ugwu ọdịda anyanwụ Greenland ga-ebuli ọkwa mmiri n'oké osimiri London, n'etiti ndị ọzọ.

Iji chọpụta ihe ndị ọzọ, mee pịa ebe a.