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Pack ice: atụmatụ, akpụ, nkesa
Pack ice bụ a pụrụ iche eke onu. Ọ na-eme ya nanị ke edere edere latitudes nke mbara ala, na Arctic mpaghara. Ozugbo na okwu a etinyere nnọọ niile ndị na-akpafu ice, ma mgbe otutu ọmụmụ ngwugwu na a iche iche otu. Ha nwere ọtụtụ ihe Njirimara na iche ha si ndị ọzọ ụdị ice. The definition nke "multi-afọ ice" bụ otu ihe, ya mere, na-adị na banyere otu ugboro.
Atụmatụ nke mkpọ ice
Arctic nchọpụta, ndị ọrụ ụgbọ mmiri na ndị njem onye nweburu ileta ebe ugwu latitudes, maara nke ọma na ndị dị otú ahụ a mkpọ ice. Nke a na onu na-eweta a mfịna na mmeri nke ugwu.
Ndị a ice nwayọọ na oké osimiri, na ibu ibu nke ha buru ibu, na njupụta dị nnọọ elu. Mberede nkukota nwere ike ime ka bukwanu mmebi ọbụna ndị kasị oge a na arịa. Pack ice dị iche nkịtị na ha Njirimara. Dị ka ndị ọkachamara, mkpọ kpụrụ site n'oké osimiri mmiri, ya ọkpụrụkpụ dị ukwuu karịa 3 mita. Ọ bụ denser karịa nkịtị ice ruru ka oké ala nnu ọdịnaya.
The usoro nke na-akpụ mkpọ ice
Ice kpụrụ ke edere edere latitudes na ala okpomọkụ. Mgbe oké osimiri mmiri freezes, e nwere a usoro nke desalination, mmiri mgbe niile ka thawed salinity larịị obere karịa nke mbụ. Nke a bụ a feature Ukwu, nke bụ usoro nke kefriza na thawing ọtụtụ ugboro.
Sea mmiri ego n'anya oyi kpọnwụrụ, akpụ icebergs na nnukwu ice floes. Gasịrị, si nnukwu ice floes nta arrays na-ná mgbagwoju, ọtụtụ nke na-ahụ converted n'ime ngwugwu. Ha na-adịghị ji ihe ụfọdụ na-na atụmatụ nke iche-iche. E nwere a dịgasị iche iche nke ngwugwu: si ewepụghị ice floes nnukwu boulders, towering n'elu oké osimiri n'elu.
The-eme nchọpụta chọpụtara na, tupu iso ụgbọ mmiri gawa, mkpọ ice gbatịrị dịkarịa ala 2 kwa afọ cycles nke kefriza na razmerzaniya. Na nke a na-kpatara ya elu njupụta na ala salinity. Eziokwu ahụ bụ na thawing na re-kefriza mmiri nnu drips n'ime oké osimiri. Akwọ ụgbọ mmiri mara na ochie mkpọ ice ọbụna adabara ọhụrụ mmiri, ebe ị pụrụ isi kwadebe nri.
The ebe "ebe obibi"
Ekesa mkpọ ice na ndị Arctic Ocean. Na South nke ụwa, ndị Antarctic ebe, ha na-adịghị otú ahụ na ihe ọ bụla ọzọ na oké osimiri na ha adịghị eme. The elu njupụta na-ejighị n'aka trajectory nwayọọ pụrụ imetụta ije nke ọbụna ndị kasị dị ike nuclear icebreakers. Ọ bụ n'ihi nke a choro ụzọ n'etiti Bering Strait na Murmansk bụghị site na elu latitudes (North osisi), na tinyere n'ebe ugwu nke ụsọ oké osimiri nke Afrika. The elu-ọnụego obere site a nke atọ, ma ije nke mkpọ ice-eme ka ọ siri ike. Ya mere, ndị ụgbọ nkwurịta okwu na a mgbe niile na ọ na-adịghị mee ihe. N'ezie, e nwere ọtụtụ ụgbọ mmiri ndị na agafeela a siri ike N'ezie. Professionals mara na ọ bụ omume na-aga site, karịsịa n'okpuru iduga nke icebreaker. Ma na mgbe flights n'ihi na oge ịbụ na ọ na-duziri.
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