Igiyoyin teku - motsi da kuma rayuwar

Yalta Allaha a kan rairayin bakin teku, iyo a cikin tekun Black Sea ruwa, yana da wuya a kwatanta cewa barbashi na ruwa kanta sau daya wanke bakin tekun na Greenland ko Antarctica. Amma babu wani abu ba zai yiwu ba, saboda tekuna (da dukan da bays da kuma tekuna) ne a hadade dukan. Wani lokacin quite azumi, wani lokacin jinkirin, duniya teku igiyoyin connect mafi m kusurwa shi.

Saba da su kasance mai dogon lokaci. Clemente Ponce De Leon (a 1513) ya tafi zuwa teku a sami wani "farin ciki tsibirin". A jirgin ya sauka a Florida jet kwarara, wanda ya haka da karfi da cewa sailboats iya ba jimre da shi. A kwarara daga Arewa Equatorial Yanzu Columbus ya shiga jirgin ruwa zuwa Amurka. Dawo gida, sai ya ce "ruwa tafi tare da sama, a wani westerly shugabanci." American yan kasuwa, matuƙan koya daga cikin wanzuwar Gulf Stream a cikin 18th karni.

Igiyoyin teku, ko wajen su gudu da kuma shugabanci, aka farko ƙaddara da gantali, daga jirgi huddled kashe hanya. jirãge tarkacen farfashe, kuma ya taimaka domin sanin su shugabanci. Random abubuwa iyo a cikin tẽku, shi ne bai isa ba, don haka masu jirgin ya fara jefa overboard corked kwalabe, wanda sanya katin gaisuwa. A manemin na "ganima" nuna da wuri inda ya samu kwalban, kuma recovers a katin a cikin mail. Wadannan sakonni da ake kira "kwalban-mail address." Daga baya, da kwalabe da aka maye gurbinsu da hana ruwa roba envelopes.

Babban rawa a cikin samuwar surface igiyoyin wasa a iska. Arewa Equatorial halin yanzu (a cikin Atlantic) gudãnar da ruwa a cikin Caribbean Sea, daga inda shi gudana ta hanyar da Straits na Florida da kuma bada Yunƙurin zuwa Gulf Stream. A cikin Pacific, da Kuroshio fãra.

A dumi Gulf Stream kai Turai gaba da gudana a cikin Arctic Ocean kuma da Barents Sea, daga wanda ya dawo da sanyi Greenland Yanzu. A kan hanya na Gulf Stream hasarar ruwa. Wannan Forms madauwari ruwa halin yanzu a Arewa Atlantic.

Ya kamata ba ko da yaushe za a dauka a zahiri kalmar "dumi" ko "sanyi" domin. Sunayen wadannan ne gudana cewa karya da latitudinal zafin jiki rarraba a cikin teku, a lokacin da ruwa ne colder ko warmer fiye da kewaye ruwa.

Na dogon lokaci imani da cewa karfi igiyoyin teku, kamar Gulf Stream, kuma Kuroshio Yanzu, sunã gudãna kamar kogi a cikin teku. Su ne a gaskiya daban-daban daga cikin kewaye ruwa, gwargwado, zafin jiki da kuma launi, amma ba su gani a ci gaba da rafi. The Gulf Stream, misali, ne zuwa kashi daban qarqashinsu, wasu daga wanda aka deflected zuwa ga gefen kuma sai duk rabu da babban kwarara.

Ba haka ba da dadewa shi ya zama sananne game da wanzuwar cikkaken tsarin na kasa igiyoyin. Suna kafa a sakamakon rage kasa da teku teku Antarctic ruwaye. Kamar wancan sedimentary abu da ake isar da suke peculiar unidirectional qarqashinsu, kamar raƙuman ruwa a jihar bakin teku sashi.

Igiyoyin teku - wannan conveyers zafi da sanyi, kifi larvae, plankton da hanyar da cyclone. Da ban sha'awa sosai frontal zone a cikin teku. Hadawa da ruwan daban-daban yanayin zafi ya auku quite hanzari.

Igiyoyin taka muhimmiyar rawa a cikin teku rayuwa. Bã su da wani tasiri a kan rabon kifayen da yanayin da sauyin yanayi.

Don kwanan wata, Birtaniya masana kimiyya harhada mafi m taswirar duniya ta teku igiyoyin. Sai ya zama tushen GOCE tauraron dan adam lura. Wannan katin da aka tsara don taimakawa wajen samar da climatologists kwamfuta model na halin da ake ciki a wannan duniya tamu.