The Barents Sea. nkọwa

The Barents Sea bụ a keokere oké osimiri nke Arctic Ocean. Mmiri ya asa n'ikperé Norway na Russia. The Barents Sea na-ejedebeghị na Novaya Zemlya akipelago, Svalbard na Franz Josef. Ọ bụ dị na continental shelf. North Atlantic ugbu a anaghị ekwe ifriizi na oyi na ndịda ọdịda anyanwụ nke oké osimiri.

The mmiri ebe dị mkpa nke ukwuu n'ihi na azu na igodo. Na Barents Sea na-emi odude isi na ọdụ ụgbọ mmiri: na Russian Murmansk na Vardo (Norway). Tupu Ụwa nke Abụọ nwere ohere na mmiri ebe na Finland. The naanị ice-free n'ọdụ ụgbọ mmiri nke obodo bụ Petsamo.

Environmental nsogbu nke Barents Sea iche ọtụtụ ndị ọkà mmụta sayensị. Main ofufe n'ihi na Norwegian mills ọrụ redioaktivu n'efu nhazi.

Ọ ga-kwuru na-adịbeghị anya na e nwere ọtụtụ nke arụmụka n'elu territorial nke oké osimiri shelf na ntụziaka nke Spitsbergen.

Ọ na-kweere na Barents Sea meghere Willem Barents, ọ bụ ezie na ha maara banyere ya na n'oge ochie. Cartographers na ụgbọ mmiri na n'oge ochie a na-akpọ oké osimiri dị iche iche. Ọtụtụ mgbe ọ na-ezo Murmansk. Na 1853, afọ ya e renamed n'ime Barents Sea.

Ọ na-emi odude ke continental shelf. Otú ọ dị, n'adịghị ka ndị ọzọ yiri na oké osimiri, ọtụtụ n'ime ya nwere a omimi nke atọ na anọ na narị mita. The nkezi omimi - 222 m, kacha - isii narị mita.

The n'elu oyi akwa nke mmiri nwere a salinity na ndịda ọdịda anyanwụ 34.7-35%, n'ebe ugwu na 33%, na n'ebe ọwụwa anyanwụ 34%. N'oge opupu ihe ubi na okpomọkụ na ala gbara osimiri okirikiri ebe, a na ọnụ ọgụgụ dara 32% na-abawanye na 34-34.5% site na ọgwụgwụ nke oyi oge.

Southwest a dịtụ elu okpomọkụ na salinity. Nke a bụ n'ihi na mbata nke na-ekpo ọkụ Atlantic mmiri. Na February-March okpomọkụ mmiri n'elu - atọ ruo ise degrees. Site August, e nwere onye na-abawanye na 7-9 degrees.

Nọ n'ebe ọwụwa anyanwụ na n'ebe ugwu nke Arctic Barents Sea bụ ezuru. Nke a bụ n'ihi na ike ọnọdụ kere ebe ndị a. Ice-free-anọ na niile kara aka na ndịda-n'ebe ọdịda anyanwụ. Ice cover ọtụtụ n'ime ya nkesa iru site April. N'oge a banyere 75% nke elu kpuchie sere n'elu ice. Na nnọọ ọjọọ afọ na njedebe nke na oyi, na ha nwere ike iru n'ụsọ oké osimiri nke na-Kola Peninsula. Ọgwụgwụ nke August akara kasị nta ọnụ ọgụgụ nke ice.

The Barents Sea na-bi site a dịgasị iche iche nke azụ, osisi na ụmụ anụmanụ plankton na benthos. The mmiri anya n'ebe ndịda ụsọ oké osimiri nke ndị nkịtị algae. Na oké osimiri, otu narị na iri na anọ na umu nke azụ, na iri abụọ na nke ha na-nke azụmahịa mkpa.

Otu n'ime ihe ndị bara uru ụdị azụ ga-akpọ okporoko, redfish, ndagharị, azụ okpo, azụ asa, halibut. N'etiti mammals na-ebi n'ụsọ oké osimiri ebe, a ga-akpọ ụbọ akwara akàrà, akàrà, pola bea, beluga. A ọnụ ọgụgụ buru ibu nke ugbu a na nnụnụ. Nnọọ nkịtị nke dị n'ókèala gulls, guillemot. Na narị afọ nke 20 na ebe e dị nshịkọ. Ọ bụ ike n'ụzọ zuru okè imeghari ka ọnọdụ na malitere kpụ ọkụ n'ọnụ ozuzu. The ala nke dum ebe bụ ọgaranya a dịgasị iche iche nke echinoderms, azuokpo na urchins.