Izindaba UmphakathiUhlobo

Olwandle ejulile - emhlabeni hhayi kuphela

Naphezu kweminyaka eyikhulu ucwaningo, Umhlaba namanje egcwele izimfihlakalo izimfihlo. Nokho, ngisho kulelivekati wahlala ezindaweni nhlobo, uyohlala endaweni yokuqala, yebo, izilwandle ngenani puzzle engaqondakali. Ososayensi musa ngisho sezisungule engu esiqondile izilwandle eMhlabeni, futhi lokho ezansi le ayimigodi ejulile, siba nombono ofiphele kakhulu. Futhi olwandle olujulile, futhi bonke abanye uyosinika bathole okuningi okumangalisayo ngaphezulu.

Owesincane izilwandle ezine Zomhlaba kubhekwa-Arctic. Lokhu mass amanzi ice izona phezu Arctic esenyakatho ingxenye Eurasia, eCanada nase-United States. Naphezu abandayo, ulwandle amumethe izinhlanzi kanye krill. Kulapho imikhomo ukubhukuda fatten kuthi ngesikhathi sasehlobo esifushane. indawo yesithathu kule simo kuyinto Atlantic - ukujula kwayo ngokwesilinganiso kungamamitha 3926 amamitha. "Isiliva" ithole i-Indian Ocean kusukela 3963 amamitha ukujula avareji. Yini ulwandle iyona ejulile - hhayi Kunzima ukuqagela: Yebo, ePacific. Imidiyeni ukujula yayo ifinyelela 4281 amamitha. Futhi nangu Mariana Trench, endaweni ejule kakhulu Zomhlaba, alikho nasePacific Ocean, kanye ne-Atlantic, eduze esiqhingini Guam, futhi 10.790 amamitha. I kwezilwandle ukujula kunqunywa usebenzisa idivayisi Ubamba phansi ukubuya amaza omsindo.

On the phansi olwandle, siyazi kancane. Ososayensi, oceanographers baye bathola ukuthi izilwandle, kuhlanganise ejulile, kuze 3600 amamitha ezijulile sigcwele nodaka - soft inhlabathi kusukela izinsalela ukuphila ezincane zasemanzini. Daka kwi ukujula eziyisithupha-ikhilomitha futhi aphansi ithuba abomvu. Oceanographers ngokuthi "ubumba abomvu" njengoba ezifakwa begazi ezihlangene ku umlotha wentaba-mlilo.

Ejulile ocean Umhlaba lizungezwe zonke emazwekazini amahlanu. Umngcele wentshonalanga Pacific Ocean uthi e-Australia, i-Eurasia yayigcwele futhi uhlala phakathi Malay Archipelago. iphelela zakhona ezisempumalanga umngcele ogwini lwasenyakatho-emazwekazini aseMelika, naseningizimu, nangasogwini lolwandle 'sokuthula' amanzi ukugeza osogwini olusenyakatho ezineqhwa-Antarctica. Umngcele phakathi Pacific nasolwandle Arctic buboniswa ngokuba iBering Strait namanga phakathi Peninsula Seward futhi Chukotka. Kusukela Atlantic Ocean iyona ejulile ahlukaniswe ulayini ngengqondo ohlanganisa eCape Horn futhi iNhlonhlo ye-Antarctica. I ezivamile kakhulu liwumngcele zasePacific Oceans Indian. Kusukela ngo-ezwekazini laseNdiya, udabula eziqhingini Java, yeSumatra naseNew Guinea, futhi iphela esogwini olusenyakatho ye-Australia.

Pacific umholi hhayi kuphela ukujula. Kuzo zonke izilwandle eMhlabeni Pacific oluthatha indawo ngobukhulu elilingana ecishe ibe yizinkulungwane 180 amakhilomitha square. Ngenxa yalesi endaweni eside asakazeke iziqhingi okungenani eyizinkulungwane eziyishumi, futhi emajukujukwini olwandle esisogwini enkulu yokhalo kule planethi kwamanzi ehlukanisa izingxenye ezimbili ukungalingani. Engxenyeni esentshonalanga is wotha ofudumele nasempumalanga "zilimaze" wamanje Peruvian. Ingxenye esentshonalanga olukhudlwana empumalanga ePacific Ocean kubhekwa ngakho futhi wawushisa kunayo yonke eyaziwayo Earth. Kule ndawo enkulukazi esehlanganise izindawo eziningana yemvelo - flora ocebile nezilwane kuhlale abameleli abaningi.

Pacific - the ejulile emhlabeni, kodwa ulwandle akuzona kuphela eplanethini yethu. Olwandle ejulile esimisweni sonozungezilanga, etholakala emhlabeni-Europe. Leplanethi encane ujikeleza giant igesi Jupiter. Ngu silingana neYurophu kancane esingaphansi kwenyanga. isikhungo salo nengaphakathi yensimbi, kanye ebusweni esehlanganise amakhilomitha amaningi ice igobolondo ukujiya. Ngokusho muva ukuqinisekisile umbono ngaphansi ice ungqimba ingenye engamakhulu amakhilomitha ocean ukujula, okuyinto oluthatha yonke le mbulunga. Ososayensi basikisela ukuthi Evropiansky ocean yakhiwa amanzi ukuthi ayigongobali ngenxa amagagasi eqinile, wokudonsa ozelwe Jupiter. Abanaso ukukhipha khona futhi kule olwandle lokuphila begazi.

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