Sanyi iskõki kan Western

Game da 70% na duniya zauna Duniya Ocean. Su ne kullum a tashin ƙarƙashin rinjayar tsawon lokaci ko gajere effects na daban-daban asalin. Irin wannan yunkuri na babbar talakawa da ruwa da duniya tasiri a kan yanayin a cikin wannan bangare na duniya, da dukan sauyin yanayi na duniya. A kudancin Hemisphere, irin wannan daukan hotuna yana da karfi sanyi halin yanzu, da ake kira West Wind gantali.

Sanadin teku igiyoyin

Duniya teku ruwa a yankuna daban-daban na duniya dabam da yawan zafin jiki, yawa, gwargwado, launi, da kuma iya ba jiki zama wata guda conglomerate. Motsi shi ne yawanci lalacewa ta hanyar hada sakamako da dama sojojin aiki a hanyoyi daban-daban a daban-daban zurfin.

A surface daga cikin teku igiyoyin da babban factor na ilimi - rinjaye iska. Cinikin iskõki wanda suna da gwada m shugabanci, kira babban hanyar samuwar biyu manyan qarqashinsu, shugabanci na tsare na dogon lokaci: Arewa da Kudancin Equatorial igiyoyin. Su pumped ruwa zuwa yamma karkata daga cikin Atlantic da Pacific, inda, dangane da siffar nahiyoyi, mutum kõguna suna kafa. Kafa wurare dabam dabam, wanda tallafawa ciki har da monsoon iskõki cewa busa a cikin bazara tare da teku zuwa cikin ƙasar, kuma a cikin hunturu - a kan m.

Dumi da kuma sanyi

Tekuna - Global iska kwandishana na duniya, wanda yana da dama da yawan zafin jiki halaye. Daga cikin jinsin na translational motsi na ruwa rarrabe dumi da kuma sanyi ya kwarara. tẽku kwarara zazzabi - ba cikakkar amma zumunta. Dimi shi ya sa mai sanyaya yanayi, wani sanyi - a kwarara mai tsanani a teku yadudduka da kuma a cikin mafi zafi canjin yanayin.

Yawanci gudãna directed daga ekweita, daga high latitudes zuwa ƙananan - dumi. Idan rafi da aka haife zuwa kudu ko arewa na ekweita da daukawa ruwa daga mai sanyaya yankin, shi ne - a halin yanzu sanyi.

Dangantakar da zazzabi halayyar teku igiyoyin a bayyane a cikin misali na biyu teku igiyoyin, located a kan m sassa na duniya. Gulf Stream - cikin shahararrun teku domin kafa da sauyin yanayi a Arewa Hemisphere, da ruwa da zazzabi da yake a cikin kewayon 4-6 ° C da kuma dangantaka a dumi, mai tsanani wanke a bakin. Iko sanyi halin yanzu shi ne Benguela - daya daga cikin rassan da West Wind gantali. By Cape shi daukawa ruwa mai tsananin zuwa 20 ° C.

A iyakar da Antarctic

A manyan sikelin-motsi na ruwa a cikin iyakacin duniya yankuna na kudancin yammancin duniya - mafi iko a duniya. Sun samar da Antarctic Circumpolar (Latin circum - a kusa + polaris - iyakacin duniya) cikin, a ci gaba da zobe encircles da duniya daga yamma zuwa gabas. Babbar sanyi kwarara - babban abun ciki na matukar Gwargwadon ilimi - kudancin tekun, kafa ta ruwan Pacific, India da kuma Atlantic tekuna kewaye Antarctica.

Tare da bankunan na shida nahiyar, a 55 ° kudu latitud, kudancin iyakar matukar kafa wannan rafi, da kuma arewa gudanar tare da 40th layi daya. A jamsin na da sanyi ga ~ ar ruwan na kudancin nahiyar ta rufe kankara da kuma zafi kudancin teku ribace-ribace haife karfi iskõki na Kudancin Hemisphere.

ruri forties

Wannan shi ne wani sunan da yake a cikin duniya domin Yammacin iskõki.

Latitudes, tare da gudanar da most sanyi halin yanzu, sanya da dama matsananci sunayen sarauta. "Ruri 'forties kewaya" howling "da" m "da hamsin hamsin, da" sokin "da sittin. A talakawan iska gudun a yankin - 7-13 m / s. Beaufort iska kira wani sabo ne da kuma karfi, kamar yadda wani hadari da kuma mai tsanani hadari (25 m / s) - a saba abu.

Iko sanyi circumpolar halin yanzu, ba saduwa da nahiyar shingen, karfi da kuma m westerly iskõki sanya latitud na guntu hanya domin sailboats. Ga sa da "hanya na clipper", mai suna haka jiragen ruwa rubuta tsenivshihsya ga sosai da sauri bayarwa na mulkin mallaka kaya daga Indiya da China zuwa Turai. Shahararren "shayi" clipper kafa a cikin XVIII-XIX ƙarni gudun records, idan sun kasance iya samu nasarar circumnavigate kudancin tip na Afrika da Latin Amurka.

Da nisa, tsawon, kwarara kudi

Marine for Kudancin iskõki a total tsawon na 30,000 km da kuma 1000 km a fadin yana da damar (volumetric kwarara kudi) - .. 125-150 Sv (svedrupov), watau a karo na biyu kwarara motsa zuwa 150 dubu cubic mita ruwa. Wannan shi ne m tare da ikon da yake a wasu wuraren da Gulf Stream. A kwarara kudi a cikin farfajiya Layer na teku ruwa - daga 0.4 zuwa 0.9 km / h, zurfin - 0.4 km / h.

Ruwa zazzabi Antarctic Circumpolar Yanzu ne daban-daban a cikin mafi girma rassan, abin da ke faruwa a cikin uku daban-daban tekuna. The West Wind gantali ne:

• Falkland da Benguela Yanzu a cikin Atlantic.
• The West Australian - a tekun Indiya.
• Pacific Peru halin yanzu.

A kudancin kwarara rafi daga cikin manya Layer yana da wani 1-2 ° C zazzabi, a arewacin - 12-15 ° C.

A surface kuma a cikin ciki

Tekuna - guda kwayoyin. An gano cewa dukan kauri daga cikin teku ruwa ne a akai motsi. A kwance kawar da ake complemented tsaye a lokacin da ya ɗaga fiye ko žasa da m mai tsanani yadudduka. Ya ci gaba da karatu a baya m zurfin igiyoyin da suke sau da yawa akasin shugabanci na surface.

A 2010, Japan masana kimiyya ya gano kashe bakin tekun na Antarctica a yankin na Adelie Land, wani karfi gangarowa a ɓoye. A Ross Sea ruwa yana gangarowa daga dab glaciers ta samar a zurfin 3000 mita kwarara damar miliyan 30 m ³ / s. gudãna daga rate - 0.7 km / h, da kuma ruwan zafin jiki + 0,2 ° C. Wannan ne sanyi halin yanzu a cikin Kudu Tekuna.