The nkezi omimi nke Arctic Ocean ala ọdịdị ala na ihu igwe

The kasị nta nnọchiteanya nke Ụwa oké osimiri - na Arctic. O wee jide ókèala ndị North osisi na-n'ókè site dị iche iche ọzọ na kọntinent. The nkezi omimi nke Arctic Ocean bụ 1225 mita. Ọ bụ ihe kasị na-emighị emi osimiri nke niile.

ọnọdụ

-Agaghị n'ofè Arctic gburugburu awụnye mmiri oyi na ice washes n'ikperé kọntinent, ammamihe na Greenland si n'ebe ugwu. The nkezi omimi nke Arctic Ocean bụ pụtara obere, ma mmiri dị na ya na-coldest. N'elu ebe - 14,75 nde square kilomita, olu - 18.070.000 cubic kilomita. The nkezi omimi nke Arctic Ocean na mita - 1225, mgbe ndị kasị mie emie mgbe na-emi odude na 5527 mita n'okpuru elu. Nke a uche bụ nke efere nke Greenland Sea.

ala ngwe

Banyere nke ahụ, ihe bụ nkezi na kacha omimi nke Arctic Ocean, ọkà mmụta sayensị amụtawo a ogologo oge gara aga, ma nke ahụ bụ banyere ala enyemaka ruo agha nke 1939-1945 fọrọ nke nta ọ dịghị ihe e-amaghị. N'ime afọ iri gara aga, a otutu iche iche ozi anakọtara site na njem ndị mmadụ merela on icebreakers na submarines. Na Ọdịdị nke ala nke etiti oghere bụ ndị dịpụrụ adịpụ, nke na-emi odude gburugburu etiti peeji oké osimiri.

Fọrọ nke nta ọkara nke ebe ji site na oké osimiri shelf. The Russian n'ókèala, o setịrị aka 1300 km n'elu ala. Nso European nke ụsọ shelf bụ miri nnọọ emi na dị nnọọ mkpumkpu. E nwere aro ya mere n'okpuru nduzi nke Pleistocene kpụkọrọ. The center bụ a oghere oval kasị ukwuu omimi, nke a na-ekewa riiji University, chọpụtara na-amụ ikpe mgbe agha. Yurop n'etiti shelf si riiji erukwa efere onye omimi bụ n'etiti 4 6 km. On n'akụkụ nke ọzọ nke na riiji erukwa abụọ oghere, nke 3400m omimi.

Si Pacific Arctic ejikọrọ Bering Strait, kee na Atlantic-agba site na Norwegian Sea. Ọdịdị nke ahụ ala nke ọrụ na ọtụtụ mmepe nke offshore na mmiri n'okpuru osimiri continental ebe. Nke a na-akọwa nnọọ ala nkezi omimi nke Arctic Ocean - karịrị 40% nke ebe bụ na ọ baghị ime karịa 200 m ndị ọzọ bụ offshore ..

eke ọnọdụ

Ocean ihu igwe na-ekpebisi ike site na ya ọnọdụ. ihu igwe siri ike na-enwe nnukwu site a nnukwu ego nke ice - oké oyi akwa dịghị-agbazekwa mgbe ke Central akụkụ nke efere.

Year-gburugburu na Arctic ajọ ifufe nke ịzụlite. Anticiklon ifịk predominantly na oyi, mgbe na okpomọkụ ya na-kwagara n'ime nkwụsị na Pacific Ocean. Ajọ ifufe rampage na ókèala nke okpomọkụ. N'ihi na nke a mgbanwe, na polar ice n'ụzọ doro anya gosiri ọdịiche nke ikuku nsogbu. Winter ekwupụtakwa na November ka April, n'oge okpomọkụ - si June ka August. E wezụga sitere na oké osimiri ajọ ifufe nke ebe a na-eje ije ajọ ifufe nke na si n'èzí.

Ifufe ọchịchị na North osisi bụghị edo, ma ndị na-agba bụ n'elu 15 m / s fọrọ adịghị ime. Ifufe n'elu Arctic Ocean advantageously nwere a na-agba nke 3-7 m / s.
The nkezi okpomọkụ na oyi - +4 ka -40 okpomọkụ - si 0 ka +10 degrees Celsius.

Low n'ígwé ojii nwere ụfọdụ periodicity ke N'ezie nke afọ. N'oge okpomọkụ, na likelihood nke ala n'ígwé ojii esịmde 90-95% na oyi - 40-50%. Ihu igwe gbachapụrụ ọzọ ahụkarị oyi oge. Summer fogs Ugboro, mgbe ụfọdụ, ha anaghị ebili na-a izu.

Mmiri-ozuzo, ahụkarị nke ebe a - snow. Mmiri ozuzo fọrọ nke nta na-adịghị eme, na ọ bụrụ na ha, ndị ọzọ ọtụtụ ugboro na snow. Dara kwa afọ 80-250 mm, na mpaghara nke Europe n'ebe ugwu nke Arctic Basin - a nta ọzọ. The snow bụ ala, ọ na-adịghị evenly kesaa. Na ọkụ ọnwa, snow na-agbaze ifịk ifịk, mgbe ụfọdụ, na-aga dị kpamkpam.

The idụhe nke etiti bụ softer karịa na ala ịta ahịhịa (nso n'ikperé nke Asian akụkụ nke Eurasia na North America). The mmiri banye n'ime ọkụ okwukwo nke Atlantic, nke na-etolite ikuku nke dum mmiri ebe nke oké osimiri.

Biota

The nkezi omimi nke Arctic Ocean bụ zuru ezu maka ntoputa nke a ukwuu nke dị iche iche ntule ya kọlụm. Na Atlantic region pụrụ mgbe mgbe ahụrụ iche iche nọmba nke azụ dị ka okporoko, oké osimiri bass, azụ asa, Haddock, saithe. Na oké osimiri bi whales, tumadi Greenlandic na nkeewa akara.

Na ukwuu nke Arctic e nweghị osisi, ọ bụ ezie na ebe ugwu Russia na Scandinavian Peninsula eto spruce, pine na ọbụna birch. Ahịhịa tundra anọchi anya cereal, lichens, ọtụtụ ụdị birch, sedge, Dwarf osisi willow. Summer dị mkpụmkpụ, ma oyi a na-idei mmiri na anyanwụ radieshon, akpali ọrụ nke na mmepe nke osisi. Ala nwere ike ụtọ na elu n'ígwé 20 degrees, na-amụba ala okpomọkụ ikuku n'ígwé.

The peculiarity nke fauna nke Arctic - erughị eru nke umu na ihe n'ụba nnọchiteanya nke ọ bụla n'ime ha. The Arctic - n'ụlọ ka pola bea, arctic nkịta ọhịa, na-acha ọcha-ikwiikwii, nnụnụ, akwaa, partridges na tundra lemmings. N'oké osimiri splashing wolrus ìgwè ehi, narwhals, akàrà na beluga whales.

Ọ bụghị nanị na na nkezi na kacha omimi nke Arctic Ocean ekpebi ọnụ ọgụgụ nke ụmụ anụmanụ na osisi kwupụta center nke oké osimiri mbelata njupụta na ịba ụba nke umu na-ebi ebe ahụ.