Thedị ihu igwe arctic bụ nke a na-ahụkarị maka ókèala nke eriri arctic na subarctic. Enwere ihe di otua dika abali polar, mgbe anwu adighi aputa n’elu igwe ogologo oge. N'oge a, enweghi oke ọkụ na ọkụ.
Akụkụ nke ihu igwe Arctic
Ihe dị iche iche nke ihu igwe Arctic bụ ọnọdụ siri ike. N'ebe a naanị n'oge ụfọdụ n'afọ nke okpomọkụ na-ebili n'elu efu, na afọ ndị ọzọ nke afọ - frosts. N'ihi nke a, a na-akpụ glaciers ebe a, akụkụ nke ala mmiri nwere oke mkpuchi snow. Ọ bụ ya mere e ji kee ụwa pụrụ iche nke ahịhịa na ahịhịa ebe a.
Nkọwa
Njirimara kachasị nke ihu igwe Arctic:
- ezigbo oyi;
- mkpụmkpụ ma dị jụụ;
- ifufe siri ike;
- ozuzo adaa ntakịrị.
Ọdịda
A na-eke mpaghara mpaghara ihu igwe Arctic ụzọ abụọ. Na mpaghara nke ụdị kọntinent, ihe dị ka 100 millimeters nke ọdịda na-ada kwa afọ, n'ebe ụfọdụ - 200 mm. Na mpaghara nke ihu igwe nke oke osimiri, mmiri ozuzo na-adaba ọbụna obere. Ọtụtụ snow na-ada, ọ bụ naanị n'oge ọkọchị, mgbe okpomọkụ na-adị obere na-arịgo 0 Celsius, mmiri na-ezo.
Kèala nke ihu igwe arctic
A na-ahụkarị ihu igwe Arctic maka mpaghara polar. Na Southern Hemisphere, a na-ahụkarị ụdị ikuku a n'ókèala kọntinent Antarctic. Banyere ugwu, ọ kpuchiri Osimiri Arctic, mpụga North America na Eurasia. Nke a bụ eriri eke nke mbara ọzara.
Mụ anụmanụ
Anụmanụ ndị dị na mpaghara ihu igwe na-adịkarị njọ, ebe ọ bụ na ihe ndị dị ndụ na-eme mgbanwe n'ọnọdụ ndị siri ike. Northern wolves na lemmings, New Zealand deer na polar fox na-ebi n'ókèala kọntinent na agwaetiti. Onu ogugu nke musk ehi di na Greenland. Otu n'ime ndị bi na Arctic ihu igwe bụ pola bear. Ọ bi na ala ma na-egwu mmiri na mpaghara mmiri.
Nnụnụ na-anọchi anya ụwa nnụnnụ site na ikwiikwii pola, guillemots, eiders, rosy gulls. E nwere igwe anumanu na akuku mmiri ozuzo n'ụsọ osimiri. Mmetọ ikuku, Oke Osimiri ,wa, agbaze agbaze agbaze, okpomoku zuru ụwa ọnụ na-atụnye ụtụ na ọnụ ọgụgụ ụmụ anụmanụ na nnụnụ. Speciesfọdụ ụdị na-echebe dị iche iche na-ekwu. Maka nke a, a na-emekwa nchekwa mba.
Osisi
Osisi nke tundra na desert na ihu igwe arctic dara ogbenye. Enweghị osisi ebe a, naanị osisi, ahịhịa, moss na lichen. N'ebe ụfọdụ, n'oge ọkọchị, polar poppies, bluegrass, alpine foxtail, sedge na ọka na-eto. Imirikiti ahịhịa dị n'okpuru permafrost, na-eme ka o siere ụmụ anụmanụ ike ịchọta nri maka onwe ha.
Njupụta
Njupụta nke ihu igwe Arctic bụ otu n'ime isi ihe na-egosi. Na mkpokọta, ọnọdụ okpomọkụ n’ime afọ niile sitere na + 5- + 10 ruo –40 ogo Celsius. Mgbe ụfọdụ na mpaghara ụfọdụ enwere mbelata ma rue ogo -50. Ọnọdụ ndị dị otú a siri ike maka ndụ mmadụ, ya mere, nyocha sayensị na mmịpụta nke akụrụngwa bụ ihe a na-eme ebe a.
Okpomọkụ
Ọtụtụ oge oyi na-adịgide na mpaghara ihu igwe arctic. Ogologo ikuku ikuku bụ -30 Celsius. Oge okpomọkụ dị mkpụmkpụ, na-adịgide ruo ọtụtụ ụbọchị na July, na ikuku ikuku ruru ogo 0, nwere ike iru + ogo 5, mana n'oge na-adịghị anya ntu oyi na-abịa ọzọ. N'ihi ya, ikuku anaghị enwe oge iji kpoo ọkụ n'oge dị mkpirikpi nke oge ọkọchị, glaciers anaghị agbaze, ọkachasị ebe ụwa anaghị anabata okpomọkụ. Ọ bụ ya mere snow ji kpuchie mpaghara kọntinent ahụ, glaciers na-esekwa na mmiri.
