The Arctic Ocean

The Arctic Ocean emi odude ke Arctic, na ya Central akụkụ. Ala gburugburu ya fọrọ si n'akụkụ niile. Ọ tumadi na-ekpebi àgwà nke eke na gburugburu ebe obibi: idụhe, hydrological ihe. The Arctic Ocean bụ kasị nta niile oké osimiri na mbara ala.

Ókè-ala mmiri na-edina na na Scandinavian Peninsula na Faroe na Shetland Islands, na Bering Sea, na Davis Strait, na Danish. Site ndị a isi ike Arctic Ocean agwa na Pacific na Atlantic.

coastline dị iche zuru ezu ike dissection. Sea Arctic Ocean ogide ọkara nke dum ebe. A ngụkọta nke itoolu. The kasị bụ Norwegian, na ndị kasị nta na - na White Oké Osimiri. Na miri nke a ọtụtụ agwaetiti archipelagos, na onwe ha nke onye isuo.

Ihe dị ka ọkara nke ndị nile nke ebe ala shelf esetịpụ. Ụsọ oké osimiri nke Eurasia shelf warara oké a pụrụ iche ịdị obosara na-ekpuchi ọtụtụ narị kilomita. The seafloor bụ ọtụtụ efere na-na-akọrọ site mmiri n'okpuru osimiri ridges. The isi akụrụngwa nke ala enyemaka-atụle ga-idé nke Haeckel, nke na-aga n'ihu na Mid-Atlantic Ridge. Dịpụrụ adịpụ na Mendeleyev Bilie, Lomonosov, Chukchi.

Arctic Ocean ọgaranya placer ego nke arọ metal (stannous na ndị ọzọ). Sedimenti guzobere shelf ebe osimiri sediments. Ọ na-hụrụ n'elu iri ise mmanụ na gas ubi, ụfọdụ nke na-amalite ga-mepụtara.

Polar ọnọdụ na-ewe Arctic Ocean, nwere mmetụta na e ji mara ya idụhe. N'elu mmiri guzobere na-adịkwaghị ofụri isua arctic ikuku uka. N'oge oyi, nkezi okpomọkụ nke ikuku na-lowered iri anọ degrees, ọnụego bụ nso efu ke ndaeyo. N'oge na polar ụbọchị, n'ihi na ike nke ice na-egosipụta ọtụtụ nke anyanwụ radieshon, ihu igwe na-aghọ ihe siri ike. The ego nke ọdịda na dara na oké osimiri n'oge afọ, sitere na site na otu narị abụọ na narị abụọ millimeters.

Na Arctic Ocean mejupụtara a ike zuru ezu iyi nke mmiri ọkụ. N'ịga n'ebe ọwụwa anyanwụ na n'ebe ugwu, ihe na ok na nnu mmiri nke na-ekpo ọkụ submerged n'okpuru bụghị otú nnu, ma mmiri oyi. Nke a iyi bụ akụkụ nke North Atlantic Ugbu. Transarctic eruba na-eme ka Atlantic site Denmark Strait ice mmiri na polar. Nke a na ije na-eduzi site n'ebe ọwụwa anyanwụ ruo n'ebe ọdịda anyanwụ, si East Siberia na Chukchi Sea.

The ẹdude hydrological ọchịchị na ndụ na oké osimiri na-nọgidere na-enwe site na okpomọkụ na mmiri mgbanwe na gburugburu osimiri. Na mmiri pụta mgbe nile ọkọnọ nke okpomọkụ a na-akwado Atlantic mmiri inflow. Ọ na-enwekwu okpomọkụ ma na-ebelata ihe salinity nke ịrịba ịgbapụta ná ókèala nke North America na Eurasia. Ukwuu n'oge nke elu mmiri, na ọnọdụ okpomọkụ bụ ala na dị nso ka kefriza mgbe (mgbe dị salinity), emejupụta otu mwepu abụọ degrees. Na okpomọkụ na okpomọkụ adahade ise asatọ degrees n'elu efu naanị na sub-arctic latitudes.

Ice dị nile n'afọ. Nke a bụ ihe e ji mara Oceanic okike. The kasị mkpọ - multi-afọ ice, onye ọkpụrụkpụ - abụọ anọ mita na ndị ọzọ. N'oge oyi-emepụta ihe na ice karịa agbazenụ n'oge okpomọkụ; surpluses rụrụ n'ime Atlantic Ocean.

The ndabere arọ nke ndu mmiri mejupụtara oyi na-eguzogide diatoms. Ha na-nkịtị ma na ice na na mmiri. Na Atlantic n'ógbè mgbasa nke phytoplankton na zooplankton, benthic algae e. N'ime osimiri na oké osimiri na-ebi azụmahịa ụdị azụ (halibut, saffron okporoko, okporoko, wdg). N'etiti mammals ọsọ walruses, pola bea, akàrà, beluga.