Drake nassi: description, photo

Drake nassi ne dake kudancin yammancin duniya. Yana mai suna bayan da Burtaniya marque da matafiyi Francis Drake. Ya kasance a cikin XVI karni, daya daga cikin na farko shi ne ruwa a kan jirgin ruwan "Golden Hind", yin tafiya a duniya. Yana dade shekaru uku - daga 1577 a 1580. Ta mashigar Drake ya ɗauki jirgin ruwa mai filafilai a 1578

Wannan ruwa yanki ne na musamman. A nan ne mafi m hadari. Wannan shi ne kawai wuri a duniya inda cikin tãguwar ruwa ya tashi sama 15 mita.

Gwargwadon siffofin

Kulawa ta musamman daga masana kimiyya cancanci Drake nassi. Ina ne wannan ruwa yanki? Matsatsiyar aka located tsakanin nahiyoyin biyu: ta Kudu da Amurka da kuma Antarctica. Yana haɗu da Pacific da kuma Atlantic tekuna. Daga arewa iyakar ta mashigar kayyade tarin tsiburai na Tierra del Fuego, kuma daga kudu - Graham Land (Antarctic Larabawa). A nan ne sanannen Cape Kakakin - An wani yanki na ƙasar da na kewaye da kowane matafiyi wanda ya aikata a duniya sailing. Wannan ita ce kaɗai zaɓi lokacin da yana yiwuwa su auku ta, idan ya shirya hanya ta cikin Panama Canal. Yana da a Kakakin tarin tsiburai batu.

fasalin

Drake nassi ne a matsatsiyar widest a duniya. A da widest wani ɓangare ya kai gare shi tsawon game 800-900 kilomita. A talakawan zurfin ta matsatsiyar 4000 m, amma akwai wasu wurare da seabed, da barin wani zurfin 5000 m, kuma mafi.

Yana wuce ta mashigar na Antarctic Circumpolar Yanzu, kuma aka sani da West Wind gantali. Wannan shi ne kawai zagawa da ruwa ya kwarara ta hanyar duk meridians na Duniya. Wannan yana dauke for teku daga cikin mafi m. A sakamakon haka, mai tsanani hadari a Drake nassi - ba nadiri. Waves a mummunan yanayi da gusts iska na 35 m / c na iya tashi zuwa 15 mita, da kuma wani lokacin har ma mafi girma.

Saboda da kusanci zuwa Antarctica (Drake nassi a kan taswira, duba ƙasa) a cikin ruwan m icebergs. The talakawan zafin jiki a cikin wadannan yankunan ne game da +5 ° C. Ruwa zazzabi jeri daga game da mashigar -2 zuwa +10 ° C. Ko da yake sauyin yanayi a wadannan wurare quite tsanani zubar kusan ba gaba daya freezes da ya rage navigable shekara-zagaye.

Flora da fauna

Drake nassi da kewaye jiha da rai, ko da yake gida sauyin yanayi ba sosai m a wannan batun. A gaba na Antarctica da kuma Kudancin Amirka, a wanke da Straits, kuma icebergs gida da yawa jinsunan penguin, ciki har da Magellan, da Antarctic, Gentoo da macaroni. Shi ne kuma gida ga Adelie penguins nan.

Tsuntsaye a wadannan wurare akwai jinsunan iyalan Procellariiform da skua. A cikin mafi yadu rarraba ruwa matsatsiyar phytoplankton ƙaddamar diatomaceous blue-kore algae, kuma zooplankton, musamman copepods (copepods).

Drake nassi ne cikakken wuri a gare rai da sauran jinsin dabbobi. Alal misali, za ka iya saduwa da wasu daga cikin manyan wakilan teku sarari daga domin Cetacea, kamar shudi Whale. Yana gida dama jinsunan da iyali na like. Su ne da yara, ciyar, yafi a kan kifi, mollusks, krill da crustaceans. Wakilai daga wannan subspecies, ya kira teku damisa sau da yawa kai farmaki penguins kuma ko da a kan sauran like.