Benguela halin yanzu: Description da halaye

Benguela Yanzu - sanyi ruwa da talakawa circulating a gabar yammacin Afirka a tekun Atlantic. Wanke yammacin ɓangare na nahiyar, ya fito daga kudu kuma sunã gaggãwa zuwa arewa, sa'an nan zuwa arewa maso yammacin. A lokacin da wani motsi, a ci gaba da rafi na Yammacin iskõki da kuma wucewa a cikin ta Kudu Equatorial. A wurare dabam dabam na ruwa ya fara da kudu na da Cape of Good Hope. Ya ƙare a bakin teku yanki na Namib Desert, wanda aka located in yammacin ɓangare na Afirka.

Zazzabi, ya kwarara da kuma bude

Da yawan zafin jiki na kwarara surface na bazara 18 + ... + 19 ° C a kudanci da kuma zuwa +26 ° C a Arewa. A lokacin hunturu Benguela sanyaya zuwa +15 ... + 22 ° C, bi da bi.
ruwa gudu daga jeri 1-2 km / h, ba wucewa 20-25 cm / sec. matakin gishiri - 35-35,5 ppm.

James Rennell nasa ne daya daga cikin farko kwatancin m kwarara kashe bakin tekun na Afirka. Back a 1832, ya rubuta game da shakka, ba shi da sunan "ta Kudu Atlantic Benguela halin yanzu." Rennell rubuta shi tafi tare da bakin tekun yammacin Afrika, shi ne aikata ga Equatorial bel, sa'an nan ya juya yamma, kuma ya kasance Equatorial Yanzu.

Features na Benguela Yanzu

A lokacin raunanar, m. Ruwan sanyi gudana mika shiri mazauna Afirka Penguin zuwa 30 ° kudu latitud.

Benguela halin yanzu shigarsu wani mahaukaci mamaki a ƙarƙashin rinjayar da yanayi. "Benguela Nino" - abin da ake kira sabon abu kama da Pacific kama bayyana a cikin ruwan kusa da Peru - El Nino. Alama sun 3 lokuta da cewa ya faru a 1934, 1963, 1984. Nisa Benguela kwarara kai 200-300 km kudu hankali fadada wajen arewa, inda shi ne 750 km.
An sani cewa daya daga cikin kafofin na kwarara ne dauke da tekun Indiya (game da 25% na canjawa wuri taro).

ƙarin bayanai

Domin tasiri a kan sauyin yanayi, saboda abin da hazo ne rare. Wannan shi ne saboda da sanyi iska, wanda shi ne denser da mutum fiye da dumi.

The motsi na ruwa da aka fi fili iyakance a ɓangaren duniya da bankuna da kuma yana da mafi m, maras tabbas halitta a yammacin. Ruwa kundin ne 20-25 Sv. All su motsa da Benguela Yanzu. A wadda teku za ka iya har yanzu ganin wadannan halaye? Muhimmanci canje-canje irin wannan Manuniya taimaka ba. Amfani da gidroanaliza sakamakon nuna cewa canji a juz'i da yake a cikin 20%.

The masana samu gaban aiki mesoscale vortex filin. Ya ƙunshi wani babban anticyclone zobba da dumi cibiyar da kuma na yanayi ãyõyin wani sanyi hearth.

Rungumar, za mu iya ba da amsa ga duk wanda ya ke sha'awar wannan tambaya: Benguela Yanzu - dumi ko sanyi? Shakka shi ne sanyi, yayin da ciwon karfi halaye, wanda aka riga aka ambata a sama. Da ya kwarara da aka sani na lokaci mai tsawo, amma a cikakken nazarin ta hydrologists, masana kimiyya ya fara gwada da kwanan nan. A wani gajeren lokaci da muka gudanar ya gano ta asalin da kuma samar da wani karamin bayanin. Kuma wannan da cewa for quite karfi, kuma wannan wakiltar wani barazana ga kewayawa.