Leoatleng la Atlantic: sebaka hahlaula, histori, 'me hona joale

Leoatleng la Atlantic, boemo libaka tsa tsona o hlalosoa mona ka tlase, - ya karolo ea maoatleng a lefatše. Sena ke e mong oa matamo 4 e ka sehloohong ea lefatšeng. The boholo ke ea bobeli kholo ka ho fetisisa, ka mor'a hore Pacific. Sebaka holim 'a - km lisekoere milione 92, le boikarabello bakeng sa 25% ya tsohle metsi polanete e .. Ho ea ka bochabela, tekanyong leoatle Eurasia le Afrika, ho tloha North - South le Amerika Leboea, ka sebakeng sa ka boroa ho Atlantic fumana ho Antarctica. Ka karolelano botebo ba leoatle - 3 500 dikhilomitha, le palo e kahodimodimo - 8742 limithara (re bua ka Puerto Rico foro).

Leoatleng la Atlantic - boemo ba libaka

sebakeng metsi otlolla tloha ka leboea ho ea sebakeng ka boroa ea Lefatše, tšela potlana-Arctic le latitudes Antarctic. The lintlha feteletseng ea leoatle e lekaneng ka bophara le tebileng, ha a ntse a fihla a equator, bolelele ba eona e fokotsehile ho 2 900 Km. Cape Agulhas e leng moeli pakeng tsa Atlantic le maoatleng Indian, le Cape Horn arola tšimo e hlalosoa e le Leoatle la Pacific.

Tšimoloho ea thuto lebitso le leoatle

Tlhaloso ea Atlantic lokela ho qala le ketsahalo e sa lona. Ho ile ha thehoa ka lebaka la petsoha tsa boholo-holo k'honthinente ea Pangea, ba tsoang likarolong tse sa chipped tseo li itlhahela lik'honthinenteng ea kajeno. Lebitso la leoatle e hangata ka ho fetisisa e amanang le Atlantis - oa boholo-holo tšōmong sehlekehleke seo ka lilemo tse likete tse fetileng o ile a tlas'a metsi, mohlomong ka leoatleng. mothofatso mong tšoana lebitso la Atlas le lithabeng (Africa).

mokatong leoatle

Atlantic lebōpo ke indented haholo, 'me palo ea linoka phallang ka leoatleng kapa leoatle, tse ling tse ngata ho feta ea' mele e meng e khōlō ea metsi. Tsobotsi ena, e leng distinguishes e tsoa ho e leoatle tse ling. Buka e ikhethang ka tlase, e leng rarahane haholo le lintho tse morphological tlholeho ka metsi kang Leoatleng la Atlantic. sebaka libaka habonolo e hlalosa 'nete ena. Ka mose ho bolelele leoatle la 16 000 dikhilomitha, ho otlolla Atlanticheky bohareng ba bo-Range. Ena ke sebakeng seismically a sebetsang a ka a sa tsitsang lefatše karolong e ka holimo. Ka linako tse ling orilla ka tlas'a metsi foqoha seretse se chesang tla ho holim'a metsi. Mohlala oa mehaho e joalo e sehlekehlekeng sa Iceland. Ho tloaelehile hore tlase - .. Basin, botebo karolelano e ka bang likete tse 5-7 limithara tse ngata ka ho teba ka foromo ena imolohile - Amerika Leboea, bophahamo ba eona e ke 8742 limithara Leha ho le joalo, hōlise, maporogo le maralla -. Na hape e tloaelehileng hore Leoatleng la Atlantic. tlase e koahetsoeng ka silt, haholo-holo foraminiferal. Haufi le lik'honthinenteng seretse holim'a fana tsela e eang mobung terrigenous: majoe, lehlohlojane le lehlabathe. Ka likoting tebileng ka ho fetisisa tsa ka tlase e bontša letsopa e khubelu.

boemo ba leholimo

A mefuta e fapaneng ya maemo a klimate ea leoatle e etsa hore ho otlolla tloha boroa ho ea ka bochabela. Ho hapa libaka tsohle klimate - ho tloha batang ho chesang equator Antarctic. Atlantic le dithemparetjha leoatle lends ka boeona e ho ba le tšusumetso e matla ho tloha North tsa metsi Arctic. Ho tloha lebōpong la North America, haufi le Florida, born e kholo ka ho fetisisa mofuthu jwale - Koung Phallela ho Eona. bophara ba eona e - 75 km SE, botebo ba phallo -. 700 limithara Gulf Stream jarelang metsi a futhumetseng, ka karolelano mocheso - 26 likhato ka holimo ho noto.

maqhubu

Ho itšetlehile ka sebaka seo ho, ho fetola lebelo phallo. Libakeng tse bohareng ba leoatle ho 6 limithara / s. sekhahla lebetsoeng le phallo - 30 limithara / s. Karolong e ka leboea-bochabela ea Gulf Stream kena North Atlantic Current, e leng, le eena, e arotsoe melapo e 'meli. E mong a fihla lebōpong la Norway, a etsa hore libakeng tsena mofuthu, e sa tloaelehang bakeng sa sebaka sena, boemo ba leholimo 'me ea bobeli e mong - "liha" le' nile la tšoaroa ka batang Canary Current ka Southern Africa. Ka boroa, e phallang ka North Equatorial le ea bobeli, le eena, a ke le haufi le Koung Phallela ho Eona. Kaofela ha bona e leng karolo ea Leoatleng la Atlantic beisine. Kahoo, ho fellang kateng le hore ka tsela ea metsi o ile a hlalosa a fallela ka manaka a watjhe tataiso, e batang fana tsela e eang mofuthu le sekgoeng.

Hammoho le Atlantic lebōpong la North America tšoara a batang Labrador Current, a etsa hore e sehlōhō le a batang boemo ba leholimo ba Canada le Greenland. Sebakeng seo ho sona ho collides le Gulf Stream, Ho thehoa "Newfoundland moqomo" ka fihlang ho ka holimo ea e se setle sa ho ikatisa fatše bakeng sa microorganisms. E boetse e ntshetswa pele ea ho tsoasa litlhapi tsa herring meepo, litlhapi tsa salmon le litlhapi tsa cod.

le lihlekehlekeng

Ha ho na le palo e khōlō ea lihlekehlekeng tse ling metsi kang Leoatleng la Atlantic. Boemo libaka, hape, e hlalosa tsohle. Ba akarelletsa bo-ea tšimo le 'ngoe' me e fapaneng tse nyenyane. Kantle feela ke Greenland, eo e teng ka le moeli pakeng tsa Atlantic le Leoatleng la North Arctic le Iceland. Large Atlantic sehlekehleke sohle - ka. Saint Helena, la oh oh oh. Sao Paulo, ka. Bouvet ka. . Nyolohela, ho Falkland Islands le tse ling e na le lipono tse makatsang ka toka tloaelehile hore batho ba karolong e ka boroa ea leoatle - ba lihlekehlekeng tseo tse nyenyane (tšimong ea likorale).

The liphoofolo le limela

liphoofolo e emeloang ke mafutsana mefuta sebopeho, haholo-holo ka mathōkong a letamo la. Pool Leoatleng la Atlantic ka "ithorisa" palo e khōlō ea e tšoeu-sehloho, Pike. liphoofolo tse anyesang tse khōlō metsi leo ho ahiloeng ho ke maruarua, liqibi le litiiso boea. Flora e tšoantšetsoang ke mefuta e fapaneng e khōlō ea leoatle - Sargassum. Ba ne ba bile etsa ho Sargasso Sea ho tloha lebōpong la North America, kemiso lona ka bonoa sebaka.