A Arctic Ocean

A Arctic Ocean aka located a cikin Arctic, a cikin tsakiyar ɓangare. A ƙasar a kusa da shi kusan daga dukkan bangarorin. Yana da yafi kayyade halaye na halitta yanayi: sauyin yanayi, hydrological dalilai. A Arctic Ocean shi ne mafi karami na duk teku a duniya.

Border ruwan kwanta a cikin Scandinavian Larabawa da Faroe da Shetland Islands, a cikin Bering Sea, da Davis mashigar, kuma Danish. Ta hanyar wadannan straits Arctic Ocean Magana da Pacific da kuma Atlantic.

ƙirin bambanta isasshe da karfi dissection. Sea Arctic Ocean zauna rabin na dukan yankin. A total na tara. The most ne Norwegian, kuma mafi karami - White Sea. A cikin ruwan da yawa tsibirin archipelagos, da kuma zaman kanta na mutum tsibiran.

Game da rabi daga cikin dukan yankin na kasa shiryayye riko. Kashe bakin tekun na Eurasia shiryayye tsiri bambanta da musamman kamu da rufe da yawa daruruwan kilomita. A seafloor ne da dama daruna da cewa an raba ta karkashin ruwa ridges. Babban bangaren na kasa sauƙi aka dauke su tsatso na Haeckal, wanda ya ci gaba da tsakiyar Atlantic Ridge. Ware shi kuma Mendeleyev Rise, Lomonosov, Chukchi.

Arctic Ocean arziki placer adibas na nauyi karfe (stannous da sauransu). Laka kafa a shiryayye yankin kogin sediments. Yana kuma samu a kan hamsin man fetur da kuma iskar gas filayen, wasu daga wanda aka fara samun ci gaba.

Iyakacin duniya matsayin cewa daukan Arctic Ocean, yana da wani tasiri a kan halaye na ta sauyin yanayi. Bisa ruwayen kafa da kuma mamaye a ko'ina cikin shekara Arctic iska taro. A cikin hunturu, da talakawan zafin jiki na iska aka saukar zuwa arba'in da digiri, da kudi ne kusa da sifili a lokacin rani. A lokacin da iyakacin duniya rana, saboda da ikon da kankara ya nuna mafi rãnã ta radiation, da sauyin yanayi zama mafi tsanani. The adadin hazo da cewa da dama a kan teku, a wannan shekarar, jere daga ɗaya da ɗari biyu da ɗari millimeters.

A cikin Arctic Ocean kunshi wani iko isa rafi na dumi ruwa. Motsi da gabas da arewa, mafi m da m ruwan dumi kura idon karkashin ba haka m, amma ruwan sanyi. Wannan rafi da wani ɓangare na Arewa Atlantic Yanzu. Transarctic kwarara sa da Atlantic ta hanyar Denmark mashigar kankara ruwa da kuma na iyakacin duniya. Wannan yunkuri ne directed daga gabas zuwa yamma, daga Gabas Siberian kuma Chukchi Sea.

A data kasance hydrological gwamnatin da kuma rayuwa a cikin teku, yana kiyaye ta da zafi da kuma ruwa musayar tare da kewaye tekuna. Ruwa da talakawa m samar da zafi ne da goyan bayan Atlantic ruwa inflow. Yana qara yawan zafin jiki da kuma rage, gwargwado na gagarumin dake kwarara daga ƙasa na North America da Eurasia. A lokacin da yawa daga cikin surface ruwa, da yawan zafin jiki ne low kuma yana kusa da sanyinsu (idan akwai gwargwado), constituting daya debe biyu digiri. A lokacin rani da yawan zafin jiki yakan zuwa biyar zuwa takwas digiri a sama sifili kawai a cikin sub-Arctic latitudes.

Ice akwai duk shekara zagaye. Wannan shi ne halayyar Oceanic yanayi. Mafi na kowa fakitin - Multi-shekara kankara, wanda kauri - daga biyu zuwa hudu mita da kuma more. A lokacin hunturu na samar da kankara fiye da melts a lokacin bazara. surpluses za'ayi a cikin tekun Atlantic.

Dalili nauyi da nazarin halittu ruwaye kunshi sanyi-resistant diatoms. Su ne na kowa biyu a kan kankara da kuma a cikin ruwa. A Atlantic yankin na yaduwar phytoplankton da zooplankton, benthic algae akwai. A tekuna da ruwaye rayuwa kasuwanci jinsunan kifaye (halibut, Saffron cod, kwasfa, da dai sauransu). Daga cikin dabbobi masu shayarwa ne na kowa walruses, iyakacin duniya beyar, like, beluga.