Arctic sauyin yanayi. Nature kuma Arctic kankara

Arctic ne yanayin yankin na Duniya, wanda shi ne m zuwa arewa iyakacin duniya. A yankin ruwan gundumar hada da rabo daga cikin ruwan duk tekuna fãce India. Har ila yau a cikin wannan jiki-Gwargwadon yanki sun hada da nahiyar gefe na Arewacin Amirka da kuma Eurasia. By yankin, da Arctic riqe game da miliyan 27 square mita. km. Kudancin yankin rufe da m tundra.

A Fauna da Flora,

Arctic sauyin yanayi da aka sani na da tsanani. Wannan shi ne dalilin da ya sa a cikin wannan yanki Flora aka wakilta wani gansakuka, ciyawa, lichen da sako ciyawa. A nan, low zazzabi, har ma a lokacin rani. Wannan yana kawo irin wannan a zaran iri-iri na Flora. A cikin Arctic babu bishiyoyi ko fir, kawai Dwarf shrubs. Mafi yawa daga cikin ƙasar daukan wani m hamada. The kawai flowering shuka ne a iyakacin duniya poppy.

The dabba duniya ne kadan mafi arziki a cikin jinsin. Ga rayuwa da kuma hare, da kuma daji barewa, da kuma na iyakacin duniya Bears. A mafi rare wakilan fauna ne bighorn tumaki, da Musk sa, kazalika da kadan furry hamster, lemming. Na dabbobi masu cin nama zai iya bambanta Wolves da Foxes. Iyakacin duniya bears fi son naman dabbobi marine kifi. Bugu da kari, gida weasels, wolverines, da kuma dogon-tailed ƙasa squirrels a cikin Arctic yankin. Mai tsuntsaye gida a cikin tundra. Mafi sau da yawa, wannan migratory jinsunan. A Arctic ruwa ake sanaki walruses da like, da kuma narwhals, beluga Whales, kisa Whales da baleen Whales.

zazzabi karatu

Daya daga cikin mafi sanyi da ake yin dusar ƙanƙara sassan duniya shi ne dauke da Arctic. A lokacin rani da yawan zafin jiki a nan wuya lẽƙãwa a sifili digiri. A wannan yankin, akwai wani low radiation balance. Mamaye glaciers, snow hamada, tundra ciyayi.

A cikin hunturu, warmest watan Janairu. The talakawan zafin jiki a cikin Arctic, wannan lokaci jeri tsakanin -2 da -5 digiri. M ruwa ne da yawa colder fiye da iska. A Barents Sea da yawan zafin jiki ne -25 digiri C, da Grecia da Chukotka - to -36 ° C, a cikin Canada da kuma Siberian Basin - saukar zuwa -50 digiri C. The mafi ƙasƙanci rates an lura a arewacin yankin na yankin. Akwai, yanayin zafi sau da yawa kai -60 digiri. Arctic sauyin yanayi zai iya canza a kowane lokaci godiya ga cimma gaci zurfin dumi cyclones. A wannan yanayin, da zazzabi da aka ƙara a 7-10 digiri C. A lokacin rani, mafi girma rates ne 2 ... + 3 digiri C.

sauyin yanayi anomalies

Meteorological Manuniya glacial yanki a karshe 'yan shekara ɗari sun samu gagarumin hawa da sauka. Za mu iya cewa da Arctic sauyin yanayi da aka canza. Wannan shi ne matsala na duniya sikelin cewa yana da wani bayani.

A cikin shekaru 600 da shekaru shi ya gani rabin dozin gagarumin Warming, wanda kai tsaye ya shafi dukan duniya. A lokacin da irin wannan yanayin da hawa da sauka za a iya bi ta duniya cataclysms da zai iya cutar da dukan abubuwa masu rai a duniya. Shi ne ya kamata a lura da cewa sauyin yanayi na Arctic rinjayar da gudun juyawa na duniya da kuma janar na yanayi dabam dabam. Masana kimiyya sun lasafta cewa wani tsanani meteorological Jump a cikin glacial zone kamata faruwa a 2030. Ko da ya fi kadan tasiri zai zama muhimmi ga duniya. Gaskiyar cewa da yawan zafin jiki karatu a cikin Arctic an tashi steadily a kowace shekara. Kuma da muhimmancin canje-canje a baya karni ya karu da sau 2. A kaifi Warming zai kai ga nau'i nau'i na duk shuka iri da yawa wakilan fauna a yankin.

Nature na Arctic

Ruwan Relief - iri-irin, gnarly. A mafi muhimmanci shi ne nahiyar shiryayye zuwa tsibiran, located tare da tẽku kamar Barents Sea, da Chukchi, Laptev, Kara kuma Siberian. Very zurfin ciki a cikin tsakiyar ɓangare na Arctic tasa - fiye da 5.5 km. Game da ƙasar topography, shi ne mafi yawa lebur.

Nature na Arctic ne arzikin albarkatu. Da farko, yana da man fetur da kuma iskar gas. A cikin Arctic, wadannan undeveloped disproportionate adadin kuzari. Kamar yadda na farko kimomi da masana, akwai fiye da 90 biliyan ganga ta mai. Duk da haka, da hakar albarkatun a cikin wannan yankin ne musamman wuya. Bugu da kari, wannan tsari ne mai hadarin gaske daga mahangar da duniya yanayi. A cikin hali na wani mai zube don kawar da hadarin shi ne kusan ba zai yiwu ba saboda high tãguwar ruwa, da yawa icebergs da m hazo.

Arctic kankara

Kamar yadda aka sani, a yankin ruwan flooded icebergs na daban-daban masu girma dabam. Duk da haka, a cikin Arctic ruwa, akwai waɗanda ake kira kankara hula, wanda ya nuna ya fi na hasken rana. Wannan shi ne dalilin da ya sa duniya ba ta jin wuta up ga m zazzabi.

Muna iya amincewa da cewa da Arctic kankara taka wata muhimmiyar rawa a cikin wanzuwar duk rayuwa a duniya. Bugu da kari, su sarrafa wurare dabam dabam na ruwa a cikin teku. Shi ne ya kamata a lura da cewa a cikin past 25 shekaru, da Arctic kankara ya rage da kashi uku na jimlar nauyi. Yau, hula maida hankali ne akan dukan 5.1 miliyan murabba'in mita. km. Duk da haka, wannan bai isa ya tabbatar da cewa Duniya ba warmed up tare da karin da sauri a kowace shekara.

Deadband yawaita

Ga mutane da yawa ƙarni, Arctic aka dauke bakarãriya ƙasa a cikin abin da mutane ba za su tsira ga 'yan kwanaki. Duk da haka, a kan lokaci, wannan labari an dispelled. A 16th karni a sakamakon dogon-tsawon manufa, wanda za'ayi da Rasha explorers, na farko taswirar Arctic Ocean an kõma sama. A 1937, da Arctic crews Baydukova flights kuma Chkalov da aka gudanar.

Yau, a wannan yankin akwai da dama rugujewa tashoshin a kan kankara floes. Gidaje shiga tsakani a kananan gidaje domin iyakacin duniya da kuma musamman bincike kayan aiki.