La IGulf Stream Kungumfutho wasolwandle onyakazisa amanzi amaningi. Ibaluleke kakhulu kubantu baseYurophu, ngoba ngenxa yayo singathola ukuqinisekiswa kwesimo sezulu esifudumele, sicabangela i-latitude esitholakala kuyo. Kodwa futhi, kuye ngokuthi idlula kuphi, kuzoba nezitshalo nezilwane ezihluke kancane, kanye nama-arthropods amaningi ogwini olusentshonalanga yeNhlonhlo Yase-Iberia kunasenyakatho yezwe, isibonelo.
Ngakho-ke, umsakazo othakazelisa kakhulu ukwazi, ngakho-ke ake sifinyelele kuwo .
Iyini iGulf?
IGolfo Stella (Italy)
Ngaphambi kokungena esihlokweni, kubalulekile ukwazi ukuthi yini iGulf. Awu, akukho okungaphezu kwalokho ingxenye enkulu yamanzi engena emhlabeni y etholakala phakathi kwama-capes. Bavame ukudideka nama-bay, njengoba umngcele oqondile phakathi kwabo nama-gulfs awaziwa, kodwa kuyaqondakala ukuthi ama-bay mancane ngosayizi. Ukuze uthole ukwaziswa okwengeziwe ngalesi sihloko, ungabheka isihloko sethu yini umhosha.
Kunoma yikuphi, leli yiphuzu elibalulekile ngokwendawo, ngoba kulapho kwakhiwa khona amachweba namadokodo. Ungafunda futhi mayelana ukubaluleka kwama-gulfs ekuhambeni.
Udlula kuphi iGulf Stream?
Lokhu kungumsinga wolwandle oqala njengomphumela wokunyakaza okujikelezayo kweplanethi yoMhlaba, ukumiswa kwamachibi nomoya wasemhlabeni. Iqala uhambo lwayo eFlorida Straits futhi ilibangise eYurophu., yize iphuzu eliqonde ngqo lapho ligcina khona belingakacaci, ngoba ukuqedwa kwalo kungaphezulu noma ngaphansi kububanzi 40ºN kanye no-50ºW, lapho amanzi alo afudumele nosawoti aqhubeka nendlela yawo enyakatho emsakazweni waseNyakatho ye-Atlantic, futhi INorway yamanje, naseningizimu ngeCanary Islands yamanje.
ENyakatho ye-Atlantic, amanzi ayo afinyelela eNorway naseGreenland, lapho ephola ngokushesha ngenxa yokusondela kwabo ePoleni. Ngokwenza njalo, baba denser ngenxa yokuqukethwe kukasawoti omningi, ngakho bayacwila ngenxa yamandla adonsela phansi. Ngakho-ke, sondeza ukusakazwa kwe-thermohaline eligeleza lijule futhi libalulekile ekuqondeni ukubaluleka kwemisinga yolwandle esimweni sezulu somhlaba.
Ziziphi izici zayo?
Ngobubanzi obumaphakathi obungu-80 kuya ku-150km nokujula phakathi kuka-800 no-1200m, amanzi ayo ahamba ngesivinini esiphezulu se- 2 amamitha ngomzuzwana njengoba isondela ezindaweni ezingashoni. Izinga lokushisa nalo liyahlukahluka kakhulu emingceleni ngenxa yokuxhumana namanzi abandayo aseNyakatho kanye namanzi afudumele aseNingizimu. Ngokwesibonelo, endaweni eyingqalabutho ehlukanisa iFlorida neBahamas neCuba, izinga lokushisa elingaphezulu liyi-25°C elimnandi, kuyilapho eNorway, oLwandle iBaltic, licishe libe ngu-9°C.
Kusukela kwimvelaphi yayo kuya esifundeni samaGange Amakhulu, lesi yisikhathi samanje esine- umbala ohlaza okwesibhakabhaka ojulile nosawoti ophakeme, kepha ilahleka lapho ixubana nomsinga waseNyakatho ye-Atlantic. Vele, ukugeleza kwayo kuyahlaba umxhwele: eduze nase-Ireland kunjalo Izigidi eziyi-150 m3 / s, okwenza kube umsinga wasolwandle othakazelisa kakhulu emhlabeni. Ukusinika umbono, ukugeleza okuthwalwa yiyo yonke imifula egeleza e-Atlantic ingqikithi engu-0.6*106 m3/s. Uma ufuna ukwazi okwengeziwe ngalo mkhuba, bheka isihloko sethu ku ukuncishiswa kokufudumala kwembulunga yonke yi-Gulf Stream.
Uma isifikile e-Europe, ihlukana ibe imifudlana emincane enamazinga okugeleza aphakathi kwe-10 ne-20 million cubic metres ngomzuzwana. Lesi sigaba sinomthelela ku- ukubaluleka kweGulf Stream esimweni sezulu saseYurophu.
Yini amaRings?
Ngithemba ukuthi ufunde izinto eziningi mayelana ne-Gulf Stream .