Arctic Belt: isici nemvelo. Arctic sezulu zone

I-Arctic ingenye ezindaweni ezibandayo kakhulu futhi ezingaphili Zomhlaba. Kuhlanganisa ingxenye Eurasia. Isikhundla ezindawo ka the zone Arctic kukhawulwe North Pole kanye ne-Arctic Ocean. It has imingcele ezivamile nge zwekazi American. Ngokuvamile kuya emanzini afika okhalweni zihlanganisa izindawo esenyakatho yePacific Atlantic izilwandle. Ubude Arctic kunesithembiso angaphezu kuka-27 izigidi ezingu amakhilomitha square

zezulu zone

izinkomba Meteorological yesifunda zibangelwa abandayo enyakatho by emoyeni uquqaba. Arctic sezulu zone wabusa ngaphesheya e-Arctic Ocean, kanye emaphethelweni eSiberia. sezulu nesithwathwa unyaka wonke ubanjwa lezi zindawo ku-Earth. Iqhwa engakutholi ukukhanya kwelanga okufudumele njengoba kuwele phansi ngesikhathi tangent.

Singasho ukuthi ukubanda ezineqhwa ye-Arctic kugcina njalo. Ngisho ehlobo emisebeni yelanga akakwazi ukungena izingqimba obukhulu ice. Inani elincane ukushisa kwamanzi namanje uthola, kodwa uya ukuncibilika isembozo iqhwa. Arctic sezulu zone njalo libhekene lokususa lokushisa ukuziphatha. Inzika kule ndawo kukhona ezingavamile kakhulu. Isizathu kukhona lokuhlala ubuncane umhwamuko kusukela okushisa wake aphansi. Imvula isilinganiso ingaphansi kuka-200 mm ngonyaka.

Sondela kungxenye European zaleli zwekazi ubuswa zone Arctic. Le ndawo oyinhloko wokusabalalisa yayo ubhekwa Eastern eSiberia. Lapha isimo sezulu kancane elibuhlungu, efanelekayo ukuphila. Amazinga ngokuvamile ifike +12 degrees. kwezulu Lonyaka kabili - 450 mm.

Arctic Belt: isici

Ngokuyinhloko lokhu zone sezulu kuchazwe okushisa ubuncane. Ngokuvamile izinkomba ukufinyelela -70 degrees. I kungahlaleki kakhulu kubhekwa Yamal futhi Taimyr. Lapha, nezinga lokushisa ebusika imayelana -55 degrees. Kancane ukufudumala endaweni Svalbard ne Wrangel Island.

Ngesikhathi enyakatho izibalo isukela phakathi -43 degrees. Ngesikhathi sasehlobo izinga lokushisa ongasukuma ukuba -10 ⁰ C. Lapho abaqotho ngaphezulu sezulu waphawula iziqhingi Golomyanny, Wiese, Hayes futhi Hooker. Kube lokushisa likhuphuka esikhathini ehlobo 0. Ngezinye Cape Cheliuskin amazinga isilinganiso buhluka -14 ⁰ C. Arctic Belt nendlu yaqala ukufudumala okushisa emihle kuphela ezindaweni eningizimu ekupheleni ehlobo. Ngo-August, amazinga ongafinyelela degrees 10. Nokho, lokhu lokushisa is hhayi ningi than amasonto amabili.

Izoni Arctic embozwe awugqinsi ice uquqaba. endaweni yabo, imali engaphezu kuka-2 million amakhilomitha square Ukuze ultra sasehlobo esifushane liyancibilika cishe 8% sea ice. Nokho, lapho kuqala sezulu ebusika zilimaze kwamanzi futhi.

Izici ice

Ezisenyakatho amanzi Arctic ukufriza okwesikhathi amamitha ambalwa ukujula. Unyaka libhekene ice ukushuba 1.5 m. Nge ukuqala ehlobo encibilika cishe ngokuphelele. Vala Okthoba phezu kwamanzi futhi iqala ukwakha ice.

isisindo isikhathi eside esizayo kungenye mkhulu kakhulu - kufike ku-4 amamitha. Phakathi ukunyakaza ice hummocks kwakhiwa. ukujiya Kuvame ifinyelela 15 amamitha. Ngenxa yalokho we efudumele Gulf Stream ice uquqaba ngiwunqamule, ukwakha zeqhwa. ukujula yabo (ngaphansi kwamanzi) zingahluka angaba yikhulu amamitha. iqhwa lase-Arctic udlala indima ebalulekile esimweni sezulu sembulunga yonke. Zibonisa ilanga, ukuvimbela inhlabathi nakakhulu ukuxoxa nabo highs ezibucayi. nazo ziba ukubaluleka juqu nokusakazwa yolwandle.

ehlane Arctic

Lezi zindawo zitholakala ngokuyinhloko North Pole. Libhekene uhlaza kwaphela okushisa ubuncane. Cishe bonke ubuso embozwe iqhwa nesithwathwa. Ukuze le ndawo zihlanganisa ezindaweni ezisenyakatho Archipelago waseCanada Greenland.

Arctic Belt bezilokhu esibonakala izimo zhizniklimaticheskimi ezingafanele. Nokho, ugwadule ice - lena ingxenye olunzima kunalo lonke ake North Pole. Kukhona ezingavamile ukuthola ngisho ulele futhi wona. Esifundazweni saseningizimu ezindaweni eziwugwadule kukhona ezivundile elincane buttercup futhi poppy polar.

Isimo sezulu ungakuvumeli ukuba ukuthuthukiswa eziningi zezilwane nezimila. Ingxenye enkulu yonyaka izinga lokushisa kugcinwa emazingeni ngaphansi kwezingaqhwa. Kuvamisile eliphakeme ngasekupheleni kwehlobo - 2 - - 4 ⁰ C. Inzika - into ezingavamile.

Umhlobo zone Arctic

Izitshalo ikakhulukazi emelelwa nezihlahla yemifino kanye wona. Ezindaweni eningizimu ungahlangana otshanini obude, ngisho okusanhlamvu. On the Diversity ye izitshalo mbuzo. Izimbali izitshalo zihlukaniswa kuphela polar poppy, sedge kanye saxifrage.

Izoni Arctic engacebile nasezilwaneni zasendle. Izakhamuzi evelele, beyizidalwa eziphakeme kunazo zonke eziwukudla, amabhere zibhekwa. ungakwazi ukuhlangabezana inyamazane, engxenyeni eseningizimu yaleli muskox Arctic, imvu bighorn, lemmings kanti onogwaja Arctic. I esiyingozi abaningi abakuyi beyizimpisi nezimpungushe. Lezi zilwane ezivamile ezincelisayo e-Arctic ezibhekwa namagundane.

Izinyoni ukufika kuphela ehlobo. Bona isidleke ikakhulukazi emathafeni.

Emanzini Arctic siphile walruses, izimvu zamanzi, narwhals, futhi baleen imikhomo.