Igiyoyin da Arctic Ocean. Ruwan Arctic Ocean. tuki igiyoyin

Arctic Ocean yanki yana da mafi ƙasƙanci ruwa yanki cikin dukan sauran daruna na Duniya - 14,75 miliyan murabba'in mita. km. Dake tsakanin Amirka da kuma Eurasian nahiyoyi. Gaba ɗaya a cikin arewacin yammancin duniya. A mafi girma zurfi daga cikin tasa da aka gabatar a cikin Greenland Sea - 5527 mita. A total adadin ruwa ne game da miliyan 18 cubic mita. km.

Babban fasali na Arctic Ocean - da taimako kwarara. A kasa ruwan nahiyar gefe, da kuma wakilci da wata babbar shiryayye, wanda kara kusan tare da dukan tasa. Saboda da sanyi sauyin yanayi da kuma na iyakacin duniya wuri na tsakiyar yankin na teku ne ko da yaushe rufe da kankara. A halin yanzu a karɓa yanaye raba ruwan da wadannan wuraren waha: Arctic, Canada da kuma Turai.

Fage

Description na Arctic Ocean kamata a fara da ta Gwargwadon fasali. Border ruwan ratsa cikin Straits na Denmark, da Hudson da kuma Davis, tare da bakin tekun na Greenland da Faroe Islands har da Scandinavian Larabawa. Babban headlands teku dauke Brewster Gerpir, Reydinupyur, Dezhnev. Bugu da kari, da pool bathes kasashe irin su Iceland, Norway, Rasha, Canada, Amurka. Tare da tekun Pacific kẽwayesu da Bering mashigar. A mafi nisa aya daga cikin tekun ne Alaska.

Arctic Ocean (ga photo. Ƙasa) daukan kawai 4% na jimlar yanki da ruwan duniya. A rare lokuta, an dauke a teku na Atlantic tasa. Gaskiyar ita ce, da Arctic Ocean ga mafi part ne in mun gwada m ruwa. Kawai a cikin 'yan wuraren da zurfin kai 1.5 km. Daya daga cikin dalilan da ke da tsawon ƙirin - fiye da 45 dubu km. The ruwa yanki hada da fiye da dozin tekuna. The most of wadannan ne Barents Sea, da Chukchi, Kara, Norway, Beaufort, Siberian, Laptev Sea, White, Greenland. Sea a Ocean tasa mamaye fiye da 50%. Babbar bay an dauke su Hudson.

Island jihohi a Arctic Ocean dubun. Daga cikin mafi girma archipelagos ne don samar da Canada. Yana kuma ya hada da tsibirin kamar Ellesmere Island, Sarki William Island, Svalbard, Prince Patrick, New Duniya, Kong, Wrangel Island, Victoria, Kolguev, Banks et al.

Ciki wurare dabam dabam ruwa

Dogon lokacin da kankara cover boyewa da surface daga cikin teku daga kai tsaye sakamakon da yanayi da kuma hasken rana radiation. Saboda haka wata babbar factor a cikin hydrological tasiri da motsi na ruwa ne mai iko inflow Arewa-Atlantic taro. Wannan ya kwarara ne dumi, kuma shi kayyade overall hoto na ruwa rarraba a Turai pool. A kan wurare dabam dabam a cikin Arctic yankin rinjayar da komowar ruwa na Pacific da kuma gleiser taro.

Balance ruwa surface aka samu da da lambatu wajen gabas da arewa Atlantic yankin. Wannan yunkuri na talakawa da muhimmanci ga Arctic Ocean. Na sauran sharar gida da ruwa iya gane straits Kanad tarin tsiburai.

Arctic Ocean (duba hoto. Dama) sun fi mayar da kafa saboda kogin kwarara. Major koguna, shafi teku igiyoyin, suke a Asiya. Wannan shi ne dalilin da ya sa a Alaska ya kasance wani kwari yunkuri na kankara.

uniformity ruwa

A cikin Arctic Ocean asirce da dama ruwa yadudduka: na waje, tsaka-tsaki da kuma zurfi. Na farko shi ne wani taro da wata rage gishiri matakan. Tana da zurfi ne 50 mita. The talakawan zafin jiki na Arctic Ocean ne -2 digiri. Hydrological tasiri Properties daga cikin Layer aka ƙaddara da thawed kankara, danshin dake kwarara. A warmest yankin na ruwan Norwegian Sea an dauke. Its surface zafin jiki ne har zuwa 8 digiri.

A interlayer tasa - ruwa da talakawa, har ya zuwa zurfin mita 800. A nan, da yawan zafin jiki na Arctic Ocean dabam a cikin daya mataki. Wannan ne ya sa ta wurare dabam dabam na dumi igiyoyin daga Greenland Sea. A gwargwado na ruwa da daraja a kusa da 37 ‰ ko fiye. Deep Layer kafa a tsaye convection da kuma kara daga matsatsiyar tsakanin Spitsbergen da Greenland. Ya kamata a lura da cewa da ya kwarara a kusa da kasa daga cikin teku ne ya sa ta ƙungiyoyi da ruwan babbar teku. Da yawan zafin jiki na ruwa yanki a kan iyakar zurfin game -1 digiri.

tidal yanayi

Irin wannan hydrological anomalies a cikin Arctic Ocean ne sananne. Tides aka ƙaddara da Atlantic ruwaye. The most lura a cikin Barents Sea, Siberia, Kara da Chukchi tekuna. Ga cikin tides ne Semi-diurnal hali. A dalilin ne biyu-lokaci lokaci Lunar rashin daidaito (m da kuma iyakar).

Turai pool na Arctic Ocean bambanta daga sauran tsayi komowar ruwa. A nan, da ruwa matakin yakan rikodin high - har zuwa mita 10. Matsakaicin lura a Mezen Bay. Min - kashe bakin tekun na Canada da kuma Siberia (kasa da 0.5 m).

Har ila yau oceanographers kasaftawa iska-karuwa oscillations. A mafi sassa na kwari ne ya lura kalaman tsawo na 2 zuwa 11 mita. Matsakaicin mamaki lura a cikin Norwegian Sea - 12 m.

Mene ne a kan

Yana gudana a cikin ruwa shafi cewa suna maimaita ko m yanayi. Ocean igiyoyin (ga map. Ƙasa) na iya zama na waje ko zurfi, sanyi ko dumi. Frequency da cyclicality ne daban-daban a lokaci-lokaci, na yau da kullum da kuma gauraye gudana. A sashi ne na auna daga teku igiyoyin kira da Sverdrup. Kõguna na ruwa suna classified da kwanciyar hankali, zurfin, jiki da kuma sinadaran Properties, yanayi da kuma shugabanci na tafiya, a sakamakon sojojin, da dai sauransu Duk da haka, manyan kabilun na trends saki yau ..:

1. Tidal. Sa da ambaliya na manyan jikin ruwa. Lura a cikin m ruwa da kuma kusa da tekun. Daban-daban bugu da karfi. Raba views daga cikin teku igiyoyin ke dauke thrower.

2. dan tudu. Kira a kwance hydrostatic matsa lamba tsakanin ruwa yadudduka. Shin da yawa, barogradientnymi, da lambatu, diyya da kuma seiche.

3. Wind. Lalacewa ta hanyar wani karfi iska ya kwarara.

Features na Gulf Stream

Gulf rafi ne mai dumi halin yanzu, wanda characterizes Atlantic yankin. Duk da haka, shi ne wannan da kwarara taka muhimmiyar rawa a cikin samuwar da kuma wurare dabam dabam na Arctic Ocean. Ya zo daga North American Coast. Yana kara daga Grand Banks ga Straits na Florida. Gulfstream nasa ne karkashin ruwa tsarin a cikin Barents Sea da Spitsbergen.

Wannan kwarara daga cikin Arctic Ocean isa, wanda muhimmanci ƙara da overall zazzabi ruwayen. Da nisa daga cikin Gulf Stream ne 90 kilomita. Motsa a wata gudu daga 2-3 m / s. Wannan ya sa shi daya daga cikin mafi iko dumi igiyoyin teku. A wasu wuraren da ya kwarara kai zurfin 1.5 km. A ƙarfafa muhimmancin Gulf Stream canjãwa ko'ina cikin shekara. Domin mafi part, ta zafin jiki ne game da 25 C. The iyakar bambancin lura a arewacin sassa na Norwegian Sea, inda rates fadi nan da nan ta 10 digiri.

A ƙarfafa muhimmancin Gulf Stream

A lokacin kara wurare masu zafi cinikin iskõki da ragi ruwan Caribbean. A ƙarfi daga cikin motsi ne ya sa ta juyawa daga cikin duniya. A wani karin gida ji GolfStream m jihar bakin teku igiyoyin, gwargwado, kuma yawan zafin jiki rarraba yanayin.

Tasiri a kan hanya na samar da Gulf of Mexico daga Cuba. A wannan yankin, da ruwa yanki yana da wani cyclical yanayi. Ruwa ne a hankali bace iko rafi a cikin tekun Atlantic ta cikin Florida Straits. A Bahamas kwarara auku tare da sauran kayan. Kafa na ƙungiyoyi an rage ga samuwar zobe, cewa shi ne, manyan vortices. Ga Gulf Stream ne samun da ƙarfi.

A nan gaba, kazalika da duk sauran igiyoyin na Arctic Ocean, da ya kwarara daga cikin makamashi rasa saboda da babban matakin danshin kashe bakin tekun na Turai. A sakamakon haka ne m sauyin yanayi. A arewacin Arctic Ocean akwai mahara reshe kwarara.

Abin da ya razana Gulf Stream

A cikin shekaru goma for daban-daban volatility. Da farko shi ya shafi index sake zagayowar. Aƙalla gagarumin kusan-lokaci-lokaci oscillations na Gulf Stream ne kiyaye kowace shekara biyu. Irin wannan sabawa na kwarara daga cikin Arctic Ocean ya kunsa manyan canje-canje a cikin sauyin yanayi. Wasu masana kimiyya yi imani da cewa, a nan gaba shi razana duniya meteorological bala'i. Fast desalination a sakamakon dumamar yanayi na iya haifar da gaskiyar cewa Turai na ƙasar za su gushe a mai tsanani. A sakamakon zai iya zama wani sabon kankara shekaru. Tun da farko labaru sun kama bala'i. Irin karshe masana kimiyya sun yi bisa ga bincike na Greenland zurfin kankara.

Idan Gulf Stream desalination gaske tipped da Sikeli kamar na kullum, da farko ya wahala da yawa mai jihar Kano. A sakamakon zai zama wani muhalli bala'i riga.

Features na Gabas Greenland Yanzu

Wannan rafi ne na biyu iko a cikin Arctic Ocean. Yana fitar da ruwan sanyi talakawa. Ya starring rawa a cikin duniya pool ne a magudana da kuma kau da kankara daga Arctic ruwa. Fara igiyoyin na Arctic Ocean aka lura kashe bakin tekun na Asia. Wajen arewa daga cikin rafi cokula masu yatsotsi. A farko reshe ke Greenland, na biyu - a Arewacin Amirka. The motsi faruwa yawanci a kan iyaka zuwa cikin babban yankin.

Da nisa daga gabas Greenland Yanzu, a wasu wurare fiye da kilomita 200. Ruwan zafin jiki ne a 0 digiri. A Cape Farewell rafi an haɗa zuwa Irminger Yanzu. A karo na dumi da kuma sanyi talakawa looping faruwa. Wannan shi ne dalilin da ya sa akwai wannan m narkewa na teku kankara da kuma icebergs a wannan bangare na yankin.

Sauran igiyoyin na Arctic Ocean

Transarctic kwarara samar da motsi na kankara daga Alaska a Grecia. Babban karfi na kwarara ne ya kwarara daga cikin kõguna. A sakamakon irin wannan babban tasiri dumi glaciers karya daga ɓangaren duniya tsince Transarctic rafi da ake, ɗaukar ga Bering mashigar. Akwai motsi yana goyan bayan da inflow na Pacific.

Spitsbergen ne wani reshe na Gulf Stream. Ya ci gaba a cikin Norwegian Sea. Nordkapp halin yanzu ya kai ruwa zazzabi zuwa 8 digiri. Yana wuce a kan surface daga cikin teku a kusa da bakin tekun na Kola da kuma Scandinavian Larabawa. Its talakawan gudun ne 1.4 km / h.

A Yaren mutanen Norway reshe na Atlantic a lokacin dauke kwarara. Ina gwargwado aka sa a kusa da 35%. taro zazzabi - daga +5 zuwa +12 digiri.

yanayin data

Features na Arctic Ocean ne kuma a cikin tsanani yanayin yi. Shi ne da godiya ga irin wannan sanyi sauyin yanayi a cikin ruwan sama da miliyoyin shekaru da adana babbar glaciers. A iyakacin duniya yankin yana da wani m karancin hasken rana zafi.

A mafi daga cikin teku akwai wani m yawan hazo. A cikin hunturu, da ruwa yankin da aka nutsa cikin watanni-dogon iyakacin duniya dare.

A karshe goma sha biyar da shekara ɗari da sauyin yanayi a cikin teku, ya canza domin muni daga duk fitarwa.