Ina Beaufort Sea?

A kananan kewayen birni kandami, mai suna bayan da Burtaniya Navy Admiral Francis Beaufort - Sea da mutuncin yanayin damina da kuma musamman shi ne kyakkyawan garin kankara wuri mai faɗi. Abin da aka sani a game da teku? ko shi ya ishe su yi nazarin?

wuri

Daya daga cikin na farko tambaya, a cikin abin da teku ne Beaufort Sea. Matsalolin da martani kamata ba faruwa. Wannan teku ne located in da Arctic Ocean. Daga wannan za mu iya kwatanta kimanin wurin da tafki a kan taswira. Amma shi ne mafi alhẽri ba tsammani, amma kai tsaye zuwa tambaye game da whereabouts na Beaufort Sea.

A daidai wurin da za a iya ƙaddara kamar haka: da Beaufort Sea ta'allaka dan kadan arewa na Alaska Larabawa (ƙasa na Amurka), da Yukon da kuma arewa maso yamma Canada. Iyakarsu wajen gabas ta gudanar tare da Kanad Arctic tarin tsiburai. Western da kuma gabashin suna iyaka tsare da Chukchi Sea da Baffin Sea, bi da bi.

Abin da aka sani a game da bincike na Sea?

Wani mai ban sha'awa tambaya: "Wa bincika Beaufort Sea?". Hukumance, shi da aka gano a 1826. A farko bayanin wani sabon teku tsunduma iyakacin duniya mai bincike John Franklin. Duk da haka, ya saba wa al'ada, ya ba wani sabon kandami ne ba da sunansa, kuma ya immortalized sunan sanannen Birtaniya jami'in da kuma masanin kimiyya, wanda daga baya ya zama wani babban hafsan - F. Beaufort. Sea immortalized sunan mutum wanda ya sadaukar da rayuwarsa don hydrography da kuma ci gaba da sikelin kayyade iska mai ƙarfi.

John Franklin sanya da dama Arctic expeditions da kuma bincika cikin tekun na Beaufort Sea. Ya kuma shiga jirgin ruwa a kan bude kandami su. A lokacin da ya expeditions, daga karshe ya samu da kwane-kwane na North America, tun ƙaddara cewa shi ne arewacin promontory - Butia.

A 1851, da Beaufort Sea balaguro gudanar ya haye R. Collison, wanda ya buɗe wa kudu hanya a Prince of Wales mashigar. A cikin wannan shekara a cikin kankara na Beaufort Sea balaguro bayar da umarnin rike John McClure. Da masu bincike da aka tilasta musu barin jiragen ruwa, amma aka ceto.

A 1905 "balaguro zuwa Eskimos" ya dauka Canadian Stefansson. Ya kuma bincika Beaufort Sea.

A sanannun Rasha masanin kimiyya, Doctor of Kasa Sciences, Kochurov Boris Ivanovich, aiki a fagen cartography, ekodiagnostiki tafiyad da muhalli da makamashi. Karatu daban-daban yankuna kamar Altay, Ural, Saha, Far East da kuma Arctic yankin. A lokacin da ya kimiyya aiki ya bincika Kochurov BI da Beaufort Sea.

Ruwa zazzabi Manuniya

Masana kimiyya yi imani da cewa teku zafin jiki na Beaufort kamata a ƙaddara a hudu yadudduka:

1. A babba Layer aka dauke su 100 m a cikin zurfin. A nan, da yawan zafin jiki dabam a cikin debe kewayon daga -0,4 ° C zuwa -1,8 ° rani zuwa hunturu.
2. Wannan Layer aka kafa Pacific tributary kwarara cewa ke ta da Bering mashigar. a karo na biyu Layer na ruwa da ɗan warmer, amma ba muhimmanci.
3. A na gaba Layer ne mafi dumi. An kafa ta Atlantic igiyoyin da kuma yana da zazzabi of 0 to + 1 ° C.
4. A kasa Layer ya bit mai sanyaya, amma duk da haka ba haka sanyi, kamar yadda a surface, daga -0,4 zuwa -0,9 ° C.

Gudana a cikin Beaufort Sea kewaya counterclockwise. Wannan ake kira cyclonic wurare dabam dabam. Bisa ga wannan dokokin akwai wani dabam dabam na igiyoyin na Arctic Ocean.

Babban sigogi

Bari ta la'akari da asali sigogi na ciki tafki da ake kira da sunan Francis Beaufort. A teku yana da jimillar yanki na kusan 480 dubu sq. Km. A talakawan zurfin tafki -. 1000 m At mafi zurfi ma'ana - kusan 4700 mita.

gwargwado teku ba sosai high. Yana daga jeri 28 zuwa 33 ppm.

River, Bay na Islands

Akwai wasu bambance-bambance daga sauran tekuna na Arctic Ocean. Tun da kandami aka mai suna bayan Francis Beaufort teku - ciki, da cewa da yawa na gudãna daga ƙarƙashinsu a cikin shi. Wannan shi ne yafi matsakaici da kuma kananan magudanai, daga abin da ya fi muhimmanci - p. MacKenzie. Daga tsakiyar koguna za a iya jera - Anderson, Colville, Sagavanirktok. Yawan sabo ruwa da laka laka da kuma haifar da wani musamman jiki na ruwa da kasa topography.

A jihar bakin teku shiryayye bangare yana da yawa kananan tsibiran, wanda ya kunshi tsakuwa. Su tsawo da kuma girma ne kullum canja karkashin matsin na kankara da kuma igiyoyin.

A ƙirin yana indented yawa bays.

kasa sauƙi

A mahimmin juzu'in da Beaufort Sea aka located a kan kunkuntar nahiyar shiryayye, da nisa daga wanda yake game da 50 km. Domin shiryayye zurfin iyakoki muhimmanci muni.

River laka haifar da m sedimentary crystalline adibas. Daga MacKenzie Delta River, misali, da ma'adinai dolomite da dama a cikin kasa sediments.

A ƙarƙashin teku gano filayen man fetur, wanda suke da babban sha'awa. Man fetur da kuma iskar gas tasa yana da wani yanki daga kusan 120 da dubu. Km. Its raya fara a shekarar 1965 da kuma za'ayi ya zuwa yanzu.

Biota

A Beaufort Sea, gida ce game da 70 jinsunan phytoplankton. Amma duka biomass ba manyan.

Zooplankton ne mafi bambancin, shi yana da 80 jinsin. Bugu da kari, shi ne gida don game da 700 jinsunan crustaceans da mollusks.

A sauyin yanayi ne ma matsananci, haske da sosai kadan kadan. Sea 11 watanni na shekara da aka rufe a Layer na kankara. Wannan halitta gagarumin cikas don gano zurfin na mazaunan.

Game da kifaye, kadan da aka sani. Mafi na kowa smelt, capelin da Saffron cod. Bugu da kari, shi ne samu da dama jinsunan cod da herring kifi. Akwai zurfin, halibut da marine Foxes.

Dabbobi masu shayarwa ji a cikin ruwa da kuma a kan bankunan quite da yardar kaina. Shi ne gida da Whales, beluga Whales, like da walruses. Wani lokaci akwai iyakacin duniya shark.

Tun da Beaufort Sea ne mafi talauci da aka sani a duniya, zai iya bayar da masana kimiyya da yawa surprises. Babban abu - kar a ba up da kuma ci gaba da karatu.