The taimako na Atlantic Ocean bene. Babban fasali na taimako na Atlantic Ocean bene

Bari mu bincika a cikin daki-daki cikin sauƙi na Atlantic Ocean bene. Wannan batu ne da yawa a cikin kafofin da aka gabatar a sama-sama. Saboda haka ya dace ga mutane da yawa ne tambaya: "ina zan iya samun wani bayanin da tekun Atlantic?" Wani lokaci yana bukatar cikakken nazarin wannan batu. A wannan labarin, za mu yi kokarin kamar yadda zai yiwu a bayyana al'amarin.

Tun bayyana kasan topography na Atlantic Ocean, mun lura cewa Mid-Atlantic Ridge - ta babban orographic kashi. Bisa ga yankin shi ne kawai dan kadan kasa da seafloor (24.6% da kuma 37,6% bi da bi). All teku kunya cewa ya raba kashi biyu. Su ne game da daidaita a size. Janar bayani a kan tekun Atlantic, kazalika da general ilmi na labarin kasa zai ba ka damar fi gane abin da yake a kan gungumen azaba a cikin wannan labarin. Domin mafi wakilci wuri na teku da mu yi sha'awa, za mu bayar da shawarar ka san ko da katin.

Don yamma da tsakãtsaki ce kunya

Newfoundland kunya located yamma da tsakiyar teku kunya. Filato na Rio Grande, kiwon Ceará, Ridge Barracuda da Bermuda Filato, kazalika da tsinkaya daga cikin Mid-Atlantic Ridge, kuma nahiyar gefe karkashin ruwa, raba yammacin rabin na teku bene to Argentina, Brazil, Guiana (da Guyana), North American, Newfoundland da Labrador Basin . Norwegian-Greenland Basin da kuma Baffin Sea yawanci dauke a matsayin wani ɓangare na wani daban-daban teku - Arctic.

Labrador da Newfoundland Basin

Mun ci gaba da labarin cewa shi ne mai sauƙi daga cikin tekun Atlantic bene. A takaice bayyana biyu daruna - Newfoundland da Labrador (matsakaicin zurfin da na karshe - 5160 mita). Suna, a gaskiya, sune guda naúrar. Mafi yawansu ba su bautar da lebur abyssal bayyana. A sub Meridian shugabanci shi crosses da abyssal kwarin Hazen. Newfoundland Basin kare daga kudu kunya na wannan sunan. Shĩ ne, kamar yadda aka nuna da daban-daban na girgizar kasa Ft Irfan binciken ne jari na wata katuwar tsari, wanda ake dangantawa da motsi da zurfin teku igiyoyin sedimentary abu.

North American daruna, Guiana da Ceará

North American Basin - wannan shi ne daya daga cikin mafi girma da finjalai da cewa alama da taimako na Atlantic Ocean bene. A taƙaitaccen bayanin gare zai ci gaba da labarin mu. A mafi girma zurfi daga cikin kwari ne 7110 mita. Bermuda Filato aka located kusan a tsakiyar arewacin. Yana kuma alama volcanic massif Corner (in ba haka ba kira mai kusurwa dagawa), da na Dutsen Kelvin. Wavy abyssal bayyana kara daga Bermuda a tudu da kudu. A kan periphery daga cikin kwari ne lebur abyssal filayen Nares, Hatteras kuma catfish. North American Basin kẽwayesu da kudu-maso-yammacin daga Blake-Bahama Ridge, kazalika da waje Antilles shaft. Last kara tare da Puerto Rico tare mahara. Yana raba, tare da blocky kunya Barracuda, located a kan ta mabiyi, da Guiana tasa daga Arewacin Amirka. Inflow terrigene sedimentary abu na samar da kusan duniya ci gaban lebur abyssal filayen kira bayyana Demerara cikin m Guiana. Guiana Basin yana da wani matsakaicin zurfin 5109 mita a arewa maso yammacin part, wanda aka halin yafi m. Kananan-sized dagawa Ceará wuya ta karkashin ruwa volcanoes, shi ne rabu da kwari na Ceará. A mafi girma zurfin ne 4700 mita karshe. A kasa na kwari ne shagaltar da lebur bayyana na wannan sunan. Ya kamata a lura da wani 2 abyssal kwaruruka. Wannan shi ne Wild, wanda incision zurfin kai 250 mita (ya haɗu Guiana da kuma Arewacin Amirka daruna) da kuma Pernambuco (haɗu da Brazil da kuma Guiana Basin).

Brazil Basin

The most tasa a yammacin ɓangare na cikin teku - Brazil. A nan, kayayyakin agaji na Atlantic Ocean bene mafi yawa m. A karkarar Pernambuco, wani karamin yanki na kwari, shi ne wavy. Submarine volcanoes ne jam'i a Brazil tasa. Wasu Yunƙurin saman teku matakin, forming wani volcanic tsibirin (Martin ku, Trinidad, Fernando de Noronha). Latitudinal zones Laifi wuri ne batun seamounts.

Brazil Basin ne rabu da kudu tudu na Rio Grande daga Argentine. Very wuya ƙasa na kan tudu. Mutane daya-daya seamounts tashi sama da tudu-kamar saman.

Gabashin yana da wani nau'i na kunya, kunkuntar, lebur-shugaba. Yana lullube a cikin Meridian shugabanci. Tsakanin nahiyar gefe na Kudancin Amirka da kuma Filato gudanar Wim - abyssal kwarin ta hanyar abin da ruwa gudana daga kasa daga Argentina a Brazil tasa. A gagarumin rabo daga kasa daga cikin Argentine daukan undulating bayyana. Flat, kunkuntar abyssal bayyana is located a kan yammacin gefen kwano, kuma aka located a kudancin ɓangare daga cikin mafi girma accumulative U-siffar - kunya Sapiola. Its samuwar ake dangantawa da kawo nefeloidov da kasa laka a kan Antarctic. A Argentine tasa na manyan seamounts ba su da samuwa, duk da haka, girgizar kasa Ft Irfan profiles kai bayanai da dama duwãtsu, da dangi tsawo ya kai 2-2.5 km, aka binne a karkashin wani Layer na laka.

Yuzhnoantilsky m shaft - Ovodova karfafa, located kudu na Argentine Basin. Afirka-Antarctic Basin yake kudu, tsakanin Antarctica da kuma tsakiyar teku ridges. Notional iyaka tsakanin tekun Indiya da kuma Atlantic za'ayi a kusa da 20 ° a. d. Ganin wannan iyaka, kawai yammacin ɓangare na da daron da wani lebur abyssal bayyana kira Weddell aka located a cikin tekun Atlantic. Relief abyssal tuddai hali na arewacin tasa.

Wannan shi ne a cikin zurfin tekun Atlantic a gabashin ɓangare na shi?

The taimako daga cikin teku bene ne quite hadaddun da iri-irin, hada da yawa abubuwa. Atlantic Ocean ne ba togiya. Gadonsa a gabashin ɓangare ne halin gaban lateral ko Azores-Biscay kunya tsararru Gorringe, kiwon da Cape Verde Islands da Canary Islands, Plateau Sierra Leone, Guinea da kuma Whale kunya daga. Suka rarraba dukan gabashin teku zuwa Yammacin Turai (matsakaicin zurfin - 5023 mita), Canary (6549 mita), Yaren Kasar (5815 mita), Sierra Leone (6040 mita), da Cape Verde (7282 mita), Angola, (6050 mita), Guinea (5215 mita) da kuma Cape (5457 mita) kwari. Tsakanin Rockall, karkashin ruwa tadawa da kuma Iceland-Faroe Yammacin Turai bakin kofa ne m.

West Turai Basin

A kasa na kwari - kagaggun m abyssal bayyana, kawai a cikin Bay na Biscay, kazalika da arewa maso yammacin shi mĩƙe lebur bayyana daga Bizkaia. Arewa zuwa kudu kasa kãtse manyan abyssal Dolinoy Mori, wanda tsawon ne game 3500 km. Shi ne morphologically kama da kwarin Hazen. The kwarin yana tare da a kan babban accumulative shafts, kai wani tsawo na 50 mita. Biyu babbar jari siffofin tsaya fitar a arewacin tasa. Wannan 'sedimentary ridges "Feni da Gardar. Su samuwar ake dangantawa da ikon shiga Iceland-Faroe dokin sedimentary abu. Yaren Kasar m, a cikin kananan size, shi ne aiki a cikin lebur tsakiyar rabo daga abyssal bayyana. Tare da Biscay bayyana ta haɗa kwazazzabo Tet.

Don kudu da Yaren Kasar Basin

The taimako na kasa na Atlantic Ocean zuwa kudu na Yaren Kasar Basin ne sosai giciye. An rinjayi gaban nan na kunya Gorindzh, block-volcanic da submarine dutsen da wannan sunan, kiwon Madeira da kuma rukuni na wasu seamounts. Babban fasali na taimako na Atlantic seafloor a yankin kuma sun hada da gaban yawa submarine volcanoes. A tsarin da kasa surface na m Zelenomysskoy kuma m Canaria (matsakaicin zurfin 6549 mita) za a iya raba uku zones submeridional: gabas, Oceanic ɓawon burodi cikin wanda aka rufe gaba ɗaya sloped bayyana kafar nahiyar. talakawan abyssal filayen, lebur kuma kunkuntar. mirgina yamma. Abubuwa na nahiyar gefe na Afirka ne ma volcanic karfafa da Canary Islands (4 aiki volcanoes - daya daga cikinsu), kuma da Cape Verde Islands da wani aiki mai aman wuta. Duk da wannan, kuma mafi fraught tare da zurfin tekun Atlantic.

Very high gudu (7-7,3 km / s) na girgizar kasa tãguwar ruwa bambanta dagawa Sierra Leone. Wannan shi ne saboda da gabatarwar a cikin ɓawon burodi ultrabasic kankara kazalika da karfi metamorphism na kankara na daban-daban bawo. A kasa na wadannan daruna kamar yadda Guinea da kuma Sierra Leone, shagaltar lebur filayen, wanda aka kewaye da abyssal tuddai. A mafi girma zurfin wadannan depressions ne bi da bi 5212 da kuma 6040 mita.

Kamaru Laifi zone

Wide Guinea tadawa lullube a cikin arewa-maso-gabas da lawa Filato, a sararin da kuma located a gabashin ɓangare na Mid-Atlantic Ridge, kusa Saint Helena. Kamaru Laifi zone ne mafi halayyar bangaren na wannan daga. An hade da volcanic Tsarin seamount Shirshov da Palanga tsibiran, Principe, Sao Tome da Macias Nguema ,, Biyogo. Rift Valley mafi lullube a cikin nahiyar ta Afrika. Cameroon, da wani aiki mai aman wuta, da kuma da dama Tsakiya Sahrawi, daga cikinsu akwai kuma ayyuka da cewa suna hade da shi.

Angola Basin

A kasa na wanda yake kudu-maso-gabas da kuma kudu na Guinea, kiwon Angola tasa ma katange sun fi mayar da karkata jiragen kasa kafa na ɓangaren duniya, ciki har da sararin Congo tarkace mazugi, an karkashin ruwa mahara. Group seamount located a kudancin kusurwa na Angola Basin. Wadannan duwãtsu da na kowa tushe. A mafi muhimmanci daga cikinsu - da Vyurst (ta zumunta tsawo ne game da 4 km).

Walvis kunya

Walvis Ridge - wani dutse blocky tsarin. Ya kunshi uku da manyan tubalan, wanda aka raba da saddles. Whale kunya halin mĩƙe apical surface da kuma m gangara. Uniformity apical surface haɗa zuwa manyan (da kuma watakila a cikin babban) shafi digiri da limescale jari.

Cape Basin

Located kudu na Walvis Ridge Cape Basin ne halin da cewa nan da aka ɓullo da yafi sauƙi abyssal tuddai. Bugu da kari, cikin zurfin tekun Atlantic matsayi nan da yawa daga volcanic duwãtsu. Suna da hankali, yafi a kudancin ɓangare na kwari. Bayani duwãtsu kungiyar raba daga Cape Agulhas Basin tasa. Agulhas aka gani yafi a matsayin wani ɓangare na gado na tekun Indiya. Shi ne morphologically kama da Cape Basin.

Yanzu ka san abin da irin ƙasa kasa na Atlantic Ocean yana a wannan lokacin. Ya ne sannu a hankali canza, ko da yake muhimmi canje-canje suna faruwa sosai a hankali. Bayan duk nahiyoyi suna rugujewa, a gudun kawai game da 1-2 cm a kowace shekara. Sauran matakai da taimakawa wajen shi, da kuma ci gaba sosai a hankali. Saboda haka, babban fasali na taimako na Atlantic Ocean bene kasance canzawa.

Abin da ya bayyana da siffofin da taimako na Atlantic Ocean?

Me ne kasa da taimako da shi ne abin da shi ne? Bari mu fuskanci shi. Features cewa suna da taimako na teku bene, masana kimiyya ne yanzu iya bayyana takamaiman dalilai. A musamman, cikin tekun Atlantic an yi ĩmãni da za a kafa a sakamakon da sabani bude har a tsakiyar kunya yanki na tsakiyar-Atlantic. Duk da siffofin da tsarin da topography daga cikin teku bene saboda gaskiyar cewa 4 babban faranti (Antarctic, Afirka, Eurasian da American) suna yi yardatayya koma.

A tarihin nazarin cikin tekun Atlantic ya fara a zamanin da. A halin yanzu, ta zurfin da aka ba tukuna cikakken gane. Yana yiwuwa cewa tarihi na Atlantic Ocean zai ci gaba da karatu sabon da m binciken.