Atlantic Ocean: yanki, tarihi, da kuma na yanzu

Atlantic Ocean, da ɓangaren da abin da aka bayyana a kasa, - wani bangaren na duniya tekuna. Wannan shi ne daya daga cikin 4 babbar kududdufai na duniya. The girma shi ne na biyu mafi girma, bayan da Pacific. A yankin surface na - 92 murabba'in kilomita miliyan lissafin kudi don 25% na dukkan duniya ta ruwa .. Don gabas, da teku iyaka Eurasia da kuma Afirka, daga Arewa - ta Kudu da kuma Arewacin Amirka, a kudu yankin na Atlantic samun zuwa Antarctica. A talakawan zurfin teku - 3 500 km, kuma matsakaicin - 8742 m (muna magana ne game da Puerto Rico mahara).

Atlantic Ocean - ɓangaren da

Ruwa yanki lullube daga arewacin zuwa kudancin yankin na Duniya, tsallaka da sub-Arctic da Antarctic latitudes. Matsananci maki daga cikin teku ne isasshe da fadi da kuma zurfin, yayin da kai ekweita, ta tsawon an rage wa 2 900 km. Cape Agulhas ne iyaka tsakanin Atlantic da kuma Indian tekuna, da kuma Cape Kakakin ya raba ƙasa da aka bayyana da tekun Pacific.

Asalin sunan da teku da ilimi

Description na Atlantic ya kamata a fara da ta abin da ya faru. Yana da aka kafa a sakamakon tsaga na zamanin d nahiyar Pangea, daga bagure sassa wanda sun taso zamani nahiyoyi. Sunan teku ne mafi sau da yawa dangantaka da FC - wani tsoho yanci tsibirin cewa dubban shekaru da suka wuce ya tafi a karkashin ruwa, mai yiwuwa a cikin teku. Wani embodiment yayi kama da sunan Atlas duwãtsu (Afirka).

teku bene

Atlantic ƙirin ne sosai indented, kuma jimlar yawan ƙõramu sunã gudãna a cikin tẽku, ko teku, da yawa fiye da abin da na sauran manyan jikin ruwa. Wannan yanayin, wanda ya bambanta da shi daga sauran teku. Unique kasa, wanda shi ne sosai hadaddun morphological dalilai muhimmi a cikin wannan ruwayen a matsayin Atlantic Ocean. Kasa wuri sauƙi bayanin wannan al'amari. Fadin teku tsawon na 16 000 km, shi lullube Atlanticheky Mid-Range. Wannan shi ne wani seismically aiki yanki da wani m ƙasa ɓawon burodi. Wani lokaci kunya karkashin ruwa volcanoes zo cikin farfajiya. An misali na irin wannan Tsarin shi ne tsibirin Iceland. Ba sabon abu ba ga kasa - .. Basin, da talakawan zurfin ne game da 5-7 dubu mita mafi warai wannan nau'i na taimako - North American, rufinta ne 8742 m, duk da haka, tãyar, ridges da tuddai -. An kuma ba nadiri ga Atlantic Ocean. A kasa ake rufe silt, yafi foraminiferal. Kusa da nahiyoyi a cike da laka surface bada hanya zuwa terrigenous adibas: pebbles, tsakuwa da yashi. A mafi zurfi hollows na kasa ya nuna da ja lãka.

sauyin yanayi

A iri-iri yanayin damina daga cikin teku sa shi lullube daga kudu zuwa gabas. Yana kama duk yanayin zones - daga sanyi don zafi Equatorial Antarctic. Atlantic teku yanayin zafi lends kanta zuwa wani karfi da tasiri daga Arewa na Arctic ruwa. Kashe da Coast na Arewacin Amirka, ba da nisa daga Florida, haife mafi girma a dumi halin yanzu - Gulf Stream. Its nisa - 75 km, da zurfin da kwarara - 700 m. Gulf Stream daukawa dumi ruwa, da talakawan zazzabi - 26 digiri a sama sifili.

igiyoyin

Dangane da ƙasa, canza kwarara kudi. A cikin tsakiyar yankunan na teku da shi ne 6 m / s. Matsakaicin kwarara kudi - 30 m / s. A arewa maso gabashin yankin Gulf Stream shiga Arewa Atlantic Yanzu, wanda, bi da bi, ne zuwa kashi biyu qarqashinsu. Daya kai da bakin tekun na Norway, haddasa wadannan yankunan dumi, sabon abu ga wannan yanki, da sauyin yanayi da kuma na biyu wanda - "rushe" kuma an gudanar da sanyi Canary Yanzu a kudancin Afirka. A kudu, ta gudana a cikin ta Arewa Equatorial da kuma karshen, bi da bi, shi ne m zuwa Gulf Stream. Dukan su wani bangare ne na Atlantic Ocean tasa. Saboda haka, shi dai itace cewa a cikin shakka daga cikin bayyana ruwan motsi a kewaye iri na agogo shugabanci, da sanyi bada hanya ji dimi da kuma mataimakin versa.

Tare da Atlantic Coast na Arewacin Amirka gudanar da sanyi Labrador Yanzu, haddasa mai kauri da kuma sanyi sauyin yanayi na Canada da kuma Greece. A wurin da shi collides da Gulf Stream, an kafa "Newfoundland ganga" a cikin sama kai na wadda ne manufa kiwo ƙasa domin kwayoyin. Yana kuma ci gaba da kiwon kifi na herring karafa, kifi da kuma cod.

tsibiran

Ba ya da wani babban yawan tsibiran irin ruwa kamar cikin tekun Atlantic. A ɓangaren da, a sake, ya bayyana dukan kõme. Sun kunshi principally na guda da kuma daban-daban kananan ƙasa. The kawai togiya ne Greenland, wanda aka located a kan iyakar da ke tsakanin Atlantic da Arewa Arctic Ocean da kuma Iceland. Manyan Atlantic tsibirin - game. Saint Helena, oh. Sao Paulo, game. Bouvet game. . Hawan Yesu zuwa sama, da Falkland Islands da kuma sauran yana da wani fairly kowa sabon abu a kudancin teku - da atolls (murjani ƙasa).

A Fauna da Flora,

A fauna da aka wakilta matalauta nau'in abun da ke ciki, musamman a wajen birnin na kandami. Pool Atlantic Ocean iya "fariya" babban adadin fari a hankali Pike. Manyan dabbobi masu shayarwa a cikin ruwan sanaki Whales, like da kuma Jawo like. Flora aka wakilta wani babban iri-iri tsiren ruwan teku - Sargassum. Su ma dokoki da Sargasso Sea kashe Coast na Arewacin Amirka, ta shaci za a iya gani daga sarari.