Arctic idụhe. Nature na Arctic ice

Arctic bụ ha biri nke Earth, nke bụ n'akụkụ aka n'ebe ugwu osisi. The territorial miri nke district na-agụnye akụkụ ụfọdụ nke mmiri nke niile oké osimiri ma e wezụga ndị Indian. Ọzọkwa na anụ ahụ a-ala ebe-agụnye continental oke nke North America na Eurasia. Site ebe, Arctic nwere banyere 27 nde square mita. km. Southern akụkụ nke ebe kpuchie agaghi aga tundra.

The fauna na osisi

Arctic idụhe na-mara ya ntaramahụhụ. Ọ bụ ya mere na mpaghara ebe na osisi ada ke ibuot a akpaetu, ahịhịa, lichen na ahihia grasses. Lee, ala okpomọkụ, ọbụna n'oge okpomọkụ. Nke a na-eme dị otú ahụ a obere iche iche nke osisi. Na Arctic e nweghị osisi ma ọ bụ osisi fir, na Dwarf osisi. Ọtụtụ n'ime ndị ala-ewe a ndụ desert. The naanị bụ ka okooko osisi pola poppy.

The ụmụ anụmanụ na-a obere ihe ọgaranya umu. Ebe ndụ na bekee na ọhịa mgbada, ma pola anụ ọhịa bear. The kasị obere nnọchiteanya nke fauna na bighorn atụrụ na musk ehi, nakwa obere furry Hamster, lemming. Nke carnivores ike ịmata wolves na nkịta ọhịa. Polar anụ ọhịa bea na-ahọrọ anụ nke anụmanụ mmiri na azu. Ke adianade do, n'ụlọ weasels, wolverines, na ogologo tailed n'ala squirrels na arctic mpaghara. Ọtụtụ nnụnụ akwu-tundra. Ọtụtụ mgbe, nke a migratory umu. Na Arctic mmiri bi walruses na akàrà, narwhals, beluga whales na baleen whales.

okpomọkụ agụ

Otu n'ime ndị kasị oyi na snowy iche nke ụwa ya na-atụle ga na Arctic. N'oge okpomọkụ okpomọkụ ebe a adịkarịghị adahade n'elu efu degrees. Na mpaghara ebe, e a ala radieshon itule. Adịkwaghị kpụkọrọ, snowy desert tundra ahịhịa.

Oyi, na warmest ọnwa bụ January. The nkezi okpomọkụ na Arctic, oge a na-àmà n'etiti -2 na -5 degrees. N'akụkụ mmiri bụ ihe colder karịa ikuku. Na Barents Sea okpomọkụ bụ -25 degrees C, na Greenland na Chukotka - na -36 ° C, Canada na Siberia Basin - ala -50 degrees C. The kasị ala udu rụrụ ke edere edere mpaghara nke ebe. E, okpomọkụ na-iru -60 degrees. Arctic igwe nwere ike ịgbanwe n'oge ọ bụla ekele rụpụtara miri ọkụ ajọ ifufe. Na nke a, okpomọkụ na-ụba na 7-10 degrees C. na okpomọkụ, na kasị elu udu 2 ... + 3 degrees C.

ihu igwe anomalies

Meteorological egosi ice ebe ole na ole gara narị afọ nwetara ịrịba fluctuations. Na anyị ga na-ekwu na Arctic igwe na-agbanwe agbanwe. Nke a bụ a nsogbu nke zuru ụwa ọnụ ọnụ ọgụgụ nke na-enweghị ngwọta.

Kemgbe 600 afọ ọ hụrụ a isii ga-ịrịba okpomọkụ, nke na-emetụta kpọmkwem dum planet. N'oge weather fluctuations nwere ike sochiri uwa cataclysms nwere ike imebi ihe nile dị ndụ na Earth. Ọ bụ uru na-arịba ama na idụhe nke Arctic-emetụta ndị na-agba nke adiana nke planet na izugbe ikuku mgbasa. Ọkà mmụta sayensị gbakọọ na a oké njọ Meteorological-awụlikwa elu na ice mpaghara ga-erukwa na 2030. Ọbụna ndị kasị ntakiri mmetụta ga-ịrịba maka planet. The eziokwu na okpomọkụ agụ ke Arctic-ebili nwayọọ nwayọọ n'afọ ọ bụla. Na Ọnọdụ nke mgbanwe na n'oge gara aga narị afọ amụbawo site 2 ugboro. The nkọ okpomọkụ ga-eduga ikpochapu nke niile osisi na ọtụtụ ndị nnọchiteanya nke fauna na mpaghara.

Nature nke Arctic

mmiri Relief - heterogeneous, gnarly. The kasị dị ịrịba ama bụ continental shelf na agwaetiti, emi odude tinyere oké osimiri dị ka Barents Sea, na Chukchi, Laptev, Kara na Siberia. Miri emi nke ukwuu ịda mbà n'obi nke akụkụ nke Arctic efere - karịrị 5.5 km. Banyere ala ọdịdị ala, ọ bụ na-akasị ewepụghị.

Nature nke Arctic bụ ọgaranya eke ego. Ke akpa itie, ọ bụ mmanụ na gas. Na Arctic, ndị a undeveloped disproportionate ego nke ike. Dị ka mbido atụmatụ ndị ọkachamara na, e nwere ihe karịrị 90 ijeri barel mmanụ. Otú ọ dị, mmanụ nke ego na mpaghara a bụ oké ike. Ke adianade do, usoro a dị ize ndụ si ele ihe anya nke zuru ụwa ọnụ na ya. N'ihe banyere ihe mmanụ ikwafu iwepụ ihe mberede bụ fọrọ nke nta agaghị ekwe omume n'ihi na elu mmiri na ebili mmiri, ọtụtụ icebergs n'oké foogu.

Arctic ice

Dị ka a maara, n'ógbè si na mmiri, idei mmiri jupụtara icebergs nke dị iche iche nha. Ma, mmiri nke Arctic, na e nwere na-akpọ ice okpu, a na-egosipụta ọtụtụ nke ìhè anyanwụ. Ọ bụ ya mere na mbara ala na-adịghị ọkụ ruo oké egwu okpomọkụ.

Anyị pụrụ iji obi ike ikwu na Arctic ice-arụ a dị oké egwu ọrụ nke ịdị adị nke ihe niile dị ndụ Earth. Ọzọkwa, ha na-achịkwa nrugharị mmiri n'ime osimiri. Ọ bụ uru na-arịba ama na ihe karịrị afọ 25 gara aga, ndị Arctic ice na-ebelata site atọ ebe nke ngụkọta arọ. Taa, okpu gụchaa 5.1 nde square mita. km. Ma, a bụ ezughị iji hụ na Earth na-adịghị ụtọ na ihe na ngwa ngwa n'afọ ọ bụla.

Deadband merie

N'ihi na ọtụtụ narị afọ, ndị Arctic e weere àgà n'ókèala nke ndị mmadụ pụrụ ịda ole na ole n'ụbọchị. Ma, ka oge na-, a akụkọ ifo a na abụọ. Na narị afọ nke 16 ka a N'ihi nke ogologo oge njem nke rụrụ Russian-akwọ ụgbọ mmiri, onu kaadị Arctic Ocean e dere. Na 1937, ndị Arctic crews Baydukova flights na Chkalov e ekenịmde.

Taa, na mpaghara a na e nwere ọtụtụ ịkpafu ụgbọ okporo ígwè na na ice floes. Okụre aka a obere ụlọ maka pola na pụrụ iche research akụrụngwa.