Ebee bụ Beaufort Sea?

A obere suburban ọdọ mmiri, aha mgbe British Navy Admiral Francis Beaufort - Sea na aka ike Ọnọdụ Ihu Igwe na pụrụ iche na ọ bụ mara mma oké odida obodo. Gịnị ka a maara banyere oké osimiri? ma ọ bụ zuru ezu na-amụ?

ebe

Otu n'ime ihe mbụ ajụjụ na-ebilite, nke oké osimiri bụ Beaufort Sea. Isi ike na omume na-ekwesịghị ime. Nke a oké osimiri na-emi odude ke na Arctic Ocean. Site na nke a anyị nwere ike iche kpọmkwem ọnọdụ nke na-esite na map. Ma ọ bụ mma ghara maa, ma ozugbo ịjụ banyere ebe nke Beaufort Sea.

The kpọmkwem ebe nwere ike kpebisiri ike dị ka ndị a: ndị Beaufort Sea ụgha ubé n'ebe ugwu nke Alaska Peninsula (ókèala ndị US), na Yukon na Northwest Canada. The n'ebe ọwụwa anyanwụ na-agba tinyere Canadian Arctic Archipelago. Western nakwa n'ebe ọwụwa anyanwụ ókè na kọwara Chukchi Sea na Baffin Sea, karị.

Gịnị ka a maara banyere Exploration nke Oké Osimiri?

Ọzọ na-akpali ajụjụ bụ: "Ònye nyochaa ihe Beaufort Sea?". Eze, ọ meghere ke 1826. The mbụ nkọwa nke a ọhụrụ oké osimiri aku pola nchoputa John Franklin. Otú ọ dị, n'ụzọ megidere omenala, o nyere a ọhụrụ ọdọ mmiri bụ bụghị aha ya, ma nadigh anwu anwu aha nke ama British mara na ọkà mmụta sayensị, bụ onye mesịrị ghọọ ochiagha - F. Beaufort. Sea nadigh anwu anwu aha nke onye raara ndụ ya nye hydrography na mepụtara ọnụ ọgụgụ ịchọpụta ifufe ike.

John Franklin mere ọtụtụ Arctic njem ndị mmadụ merela na-enyoba n'ụsọ oké osimiri nke Beaufort Sea. Ọ na-ụgbọ mmiri na-emeghe ọdọ mmiri ha. N'oge ya njem ndị mmadụ merela, o mesịrị hụrụ ngwe of North America, ebe kpebisiri ike na ọ bụ n'ebe ugwu promontory - Butia.

Na 1851, ndị Beaufort Sea njem jisiri ịgafe R. Collison, onye meghere ndịda wara wara na Prince of Wales Strait. N'otu afọ na ice nke Beaufort Sea njem froze John McClure. The na-eme nnyocha na-amanye hapụ ha na ụgbọ mmiri, ma na-napụta.

Na 1905 "njem na Eskimos" emewo Canadian Stefansson. Ọ na-nyochaa ihe Beaufort Sea.

A maara nke ọma Russian ọkà mmụta sayensị, Doctor nke Obodo Sciences, Kochurov Boris Ivanovich, na-arụ ọrụ na ubi nke cartography, ekodiagnostiki emeso gburugburu ebe obibi ike. Mụọ dị iche iche n'ógbè ndị dị otú ahụ dị ka Altay, Ural, Saha, na Far East na Arctic mpaghara. N'oge ọ na-na nkà mmụta sayensị ọrụ ọ enyoba Kochurov bi na Beaufort Sea.

Mmiri okpomọkụ egosi

Ọkà mmụta sayensị kweere na oké osimiri okpomọkụ nke Beaufort kwesịrị ikpebisi ike na anọ n'ígwé:

1. Nke elu oyi akwa a na-atụle 100 m na omimi. Ebe a, okpomọkụ dịgasị na mwepu nso nke si -0,4 ° C na -1,8 Celsius okpomọkụ oyi.
2. Nke a oyi akwa a kpụrụ Pacific tributary eruba nke na-aga site na Bering Strait. a abụọ oyi akwa nke mmiri dịtụ ọkụ, ma ọ bụghị budata.
3. The ọzọ oyi akwa bụ ihe kasị na-ekpo ọkụ. Ọ na-kpụrụ Atlantic okwukwo na nwere a okpomọkụ nke 0 + 1 Celsius C.
4. The ala oyi akwa bụ a bit oyi, ma ma ọ bụghị otú ahụ oyi na-atụ, dị ka na n'elu, si -0,4 na -0,9 Celsius C.

Aga ke Beaufort Sea igbasa counterclockwise. Nke a na-akpọ cyclonic mgbasa. Dị ka otu iwu e a mgbasa nke osimiri nke Arctic Ocean.

Isi parameters

Ka anyị tụlee isi kwa nke esịtidem esite na-agba aha Francis Beaufort. Oké osimiri nwere a ngụkọta nke ebe nke fọrọ nke nta 480 puku sq. Km. The nkezi omimi nke esite -. 1000 m N'oge n'ala ala ebe - fọrọ nke nta 4700 mita.

salinity nke oké osimiri adịghị nnọọ elu. Ọ na-àmà site 28 ruo 33 ppm.

River, Bay of Islands

E nwere ụfọdụ iche iche si ọzọ n'oké osimiri nke Arctic Ocean. Ebe ọ bụ na ọdọ mmiri aha mgbe Francis Beaufort oké osimiri - esịtidem, na ọtụtụ osimiri igba n'ime ya. Nke a bụ tumadi ọkara na obere ọwa mmiri, otu nke kasị dị ịrịba ama - p. Mackenzie. Si n'etiti osimiri nwere ike depụtara - Anderson, Colville, Sagavanirktok. Ụba nke ọhụrụ mmiri na sedimenti sedimenti na ike a pụrụ iche mmiri na ala ala nke ukwuu.

The ala gbara osimiri okirikiri shelf akụkụ nwere ọtụtụ obere agwaetiti, esịnede gravel. Ha elu na akụkụ-agbanwe mgbe nile n'okpuru mgbali nke ice na okwukwo.

The coastline na-indented ọtụtụ bays.

ala enyemaka

A ịrịba akụkụ nke Beaufort Sea na-emi odude a warara continental shelf, obosara nke nke bụ ihe 50 km. N'ihi na shelf omimi ókè budata njọ.

River sedimenti ike oké sedimentary crystalline ego na ya. Si Delta Mackenzie River, ihe atụ, na ịnweta dolomite dara ke ala sediments.

Na na ala nke oké osimiri chọpụtara mmanụ ubi, nke ndị dị oké mmasị. Mmanụ na gas efere nwere ebe fọrọ nke nta ka 120 puku. Km. Ya mmepe malitere na 1965 na rụrụ nnọọ.

Biota

Na Beaufort Sea, bụ n'ụlọ ka banyere 70 umu phytoplankton. Ma ngụkọta biomass abụghị nnukwu.

Zooplankton bụ ihe iche iche, o nwere 80 umu. Ke adianade do, ọ bụ n'ụlọ ka banyere 700 ụdị crustaceans na mollusks.

The idụhe bụ kwa aka ike, ọkụ, na dị nnọọ nta okpomọkụ. Sea 11 ọnwa nke afọ a na-kpuchie a oyi akwa nke ice. Nke a na-emepụta ịrịba mgbochi inyocha ogbu nke bi.

About azụ ebuka, amaghị. The kasị smelt, capelin na saffron okporoko. Ke adianade do, ọ na-hụrụ ọtụtụ ụdị okporoko na azụ asa azụ. E ndagharị, halibut na mmiri nkịta ọhịa.

Mammals eche na mmiri na mmiri nnọọ kpamkpam. Ọ bụ ebe obibi whales, beluga whales, akàrà na walruses. Mgbe ụfọdụ, e nwere pola shark.

Ebe ọ bụ na Beaufort Sea bụ ihe kasị-agụghị oké mara na ụwa, ọ ga-enye ndị ọkà mmụta sayensị a ọtụtụ ịtụnanya. Ndị isi ihe - adịghị enye na anọgide na-amụ.