Formation, Waxbarashada dugsiga sare iyo dugsiyada
Arctic Belt: dabeecadda sifo. zone Arctic cimilada
Arctic waa mid ka mid ah meelaha ugu qabow iyo Noolayn dhulka. Waxaa ka mid ah qayb ka mid ah Eurasia. booska juquraafi ahaaneed ee aagga Arctic waa xadidan oo ay ku Cidhifka Waqooyi iyo badweynta Arctic ah. Waxay leedahay xuduudaha wadaagaan qaarada American. Inta badan biyaha ku xidhnaa waxaa ka mid ah meelaha waqooyi ee Pacific iyo Atlantic badaha. Total Arctic haya in ka badan 27 milyan oo kiiloomitir oo laba jibbaaran
zone cimilada
Tilmaamayaasha Saadaasha Hawada ee gobolka waxaa sababa qabow waqooyiga tacsida hawada. zone cimilada Arctic heysatay guud ahaan Ocean Arctic ah, iyo sidoo kale on duleedka Siberia. cimilada qabow sannadka oo dhan la qabto ee goobahaasi Dhulka. Jirkiisa ma heli iftiinka qoraxda diirran sida ay ku dhacaan dhulka at Taabte.
Waxaan dhihi karnaa in dhaxanta baraf of Arctic joogto ah ku hayaa. Xitaa xagaaga shucaaca qoraxda ma awoodo inuu dhex gelin layers qarada waaweyn oo baraf. Qaddar yar oo kulaylka dushiisa weli helo, laakiin waxa ay u dhaco si barafku of cover barafka. zone cimilada Arctic waxaa had iyo jeer lagu gartaa dabeecad heerkulka laga jaray.
U dhaw in ay qayb ka mid ah Yurub ee qaaradda waxaa ku badan zone subarctic. meesha ugu weyn ee ay qaybinta waxaa loo arkaa inay Siberia Bari. Halkan cimilada uu yahay mid ka yar adag, ku haboon nolosha. heerkulka ayaa inta badan soo kici doono +12 degrees. roobab Annual laba jeer - 450 mm.
Arctic Belt: caan
Ugu horayn this zone cimilada qeexay heerkulka ugu hooseeya. Inta badan tilmaamayaasha gaaraan -70 digrii. The ugu noolaan karin tixgeliyo Yamal iyo Taimyr. Halkan, heerkulka celcelis ahaan xilliga qaboobaha ku saabsan yahay -55 digrii. Wax yar ka diiran ee degaanka Svalbard iyo Wrangel Island.
At tirooyinka pole woqooyi u dhexeysa -43 digrii. Xilliga xagaaga heerkulka kici kartaa si -10 0 C. Xaggee cimilada arkay jasiiradaha more daacad Golomyanny, Wiese, Hayes iyo Hooker. Waxaa kor u kacda heerkulbeega wakhtiga xagaaga si 0. At Cape Cheliuskin heerka celceliska kala duwan gudahood -14 0 C.
Aagga Arctic waxaa lagu daboolayaa baraf tacsida qaro weyn. Aaggooda in ka badan 2 milyan oo kiiloomitir oo laba jibbaaran Waayo xagaaga gaaban aalladda dhalaashay oo ku saabsan 8% baraf badda. Si kastaba ha ahaatee, la bilawga xilliga qaboobaha cimilada fariisiyo dusha biyaha ee mar kale.
Features baraf
Gobollada waqooyiga ee biyaha Arctic Xayiraadda for dhowr mitir si qoto dheer. Annuals lagu gartaa dhumucda barafka 1.5 m. Marka ee xagaaga ay ku dhowaad gebi ahaanba ku milmeen. Close si October on dusha biyaha mar kale bilaabo si ay u sameeyaan baraf.
miisaanka muddada dheer waa badan sii dhumuc weyn - ilaa 4 mitir. Inta lagu guda jiro dhaqdhaqaaqa hummocks baraf sameeyay. Ay dhumucdiisuna waxay inta badan waa gaadho 15 mitir. Sidaas darteed ka mid ah tacsida diiran baraf Gulf Stream jebi, la xirrira icebergs. Waxay si qoto dheer (ka yar oo biyo ah) kala duwanaan karaan ilaa boqol oo mitir.
lamadegaanka Arctic
Inta badan oo ku yaalla waqooyiga Poland. Lagu gartaa Dhirta Finensej iyo heerkulka ugu yar. Ku dhawaad dusha oo dhan waa la daboolay iyo baraf. Si arrintan waxaa ka mid ah meelaha waqooyi ee Jasiiradaha Canada iyo Greenland.
Arctic Belt ayaa had iyo jeer lagu gartaa xaaladaha haboonayn zhizniklimaticheskimi. Si kastaba ha ahaatee, cidlada barafka - taasi waa qaybtii ugu daran ee North reer Poland. Waxaa dhif ah si aad u hesho xataa lichens iyo Muuse. In meelaha cidlada koonfurta waxaa jira oases yar oo buttercups iyo calaamada kala horjeeda.
Nature of aagga Arctic
flora waxaa inta badan wakiil xoortay cilin iyo Muuse. In goobaha ay koonfurta ku kulmi karaan cawska dheer, iyo xataa badarka. On Diversity ee flora su'aasha. Of ubax dhirta waxaa kala duwanaayeen kaliya kala horjeeda calaamada, sedge iyo saxifrage.
Aagga Arctic ma aha hodan, iyo duur-joogta. The deggan oo xukuma, ee Cardiff ee silsiladda cuntada, orso oo kala horjeeda waxaa loo tixgeliyaa. waxaad kula kulmi kartaa deerada ee qaybta koonfureed ee muskox ee Arctic, ido bighorn, lemmings iyo bakeylaha Arctic. The bahal ugu halista badan waa sida yeey iyo dawaco. The noocyada ugu badan ee nuujiya ee Arctic ah waxaa loo tixgeliyaa in jiirka.
Shimbiraha yimaadaan oo kaliya xagaaga. Waxay buul inta on Dhuldhoobo ah.
In biyaha Arctic ku noolaan walruses, shaabadihiisa, narwhals, iyo nibiriyada badda baleen.
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