Ukubunjwa, Isayensi
Eli chibi likhulu ehlabathini
Ukuze uphendule lo mbuzo malunga yintoni na chibi likhulu ehlabathini, udinga ingcamango ecacileyo ukuba eli chibi. Ngu lo mbono ziquka amadama yangaphakathi kwi nayiphi kwilizwekazi oswele yaye ngokunxulumene elwandle.
Nolwandle kunye misinga zaselwandle ngokuqhelekileyo lamiswa xa shifts ziitectonic plates yenzekile uqweqwe. Nje kwangokunjalo naye apho chibi likhulu ehlabathini - noLwandle lweCaspian kunye noLwandle lweCaspian. Kutheni ulwandle? Bahlukana elwandle ngexesha isindululo kuqweqwe lomhlaba, kuLwandle lweCaspian yaba ekufunxeni, kodwa ke amanzi lo gama kugcinwe ayaba nabutyuwa, umzantsi igutyungelwe uhlobo yolwandle lwe uqweqwe. Phela, ophelelwa ifikelela 13%. Njengoko le ndawo kunye nobunzulu, eli chibi likhulu ehlabathini - i lweCaspian - une umgangatho evulekileyo amanzi (isipili) lingana ezikwere zeekhilomitha omnye amawaka amathathu, anamanci asixhenxe kunye nobunzulu ubuninzi elingana ngamashumi amabini anesihlanu amawaka ubude.
Kukho ichibi kwilizwekazi yaseYurophu. Ubude unxweme ngamawaka amathandathu, anamakhulu asixhenxe eekhilomitha. Xa osempuma kukho malunga amahlanu iziqithi. OLwandle lweCaspian ukondla ikhulu elinamanci mathathu imilambo. Misele inkulu angena chibi likhulu ehlabathini, zezi zilandelayo: iVolga, phambene ne Terek. Yaye isixeko esikhulu ibekwe kunxweme loLwandle lweCaspian, yi Baku. Sturgeon, zeCARP, zakhele - nje ezimbalwa iintlobo ntlobo, kwaye ngokubanzi ngaphezu kwekhulu iintlobo zeentlanzi kuhlala amanzi oLwandle lweCaspian.
Noko ke, oLwandle lweCaspian - olwalumtyuba sikhulu, kodwa izimvu lelona chibi likhulu kunye namanzi amatsha kwi kummandla Russia. Ukongeza, kuba nalo chibi zinzulu ehlabathini. Le ndawo iyonke umphezulu ezikwere zeekhilomitha 31722 kunye nobunzulu engaphezu kweshumi elinesihlanu ezilikhulu ubude. Eli chibi likhulu eRashiya echaphazela umthamo wamanzi sedikeni ngaphaya kwamawaka angamashumi amabini anesithathu amawaka, anamakhulu mahlanu kwiikhilomitha cubic. Lelona ichibi enkulu yendalo. Lake amanzi izaliswe isitya yendalo singqongwe ziintaba. osemqoka yabo lokwahlula - oswele phantse ngokupheleleyo izinto eziphilayo kunye neeminerali, yaye ebusika amanzi sikhanya kangangokuba emazantsi ibonakala nokuba kubunzulu yeemitha engamashumi amane. Enezityalo nezilwanyana of Lake izimvu into emangalisayo: ngamawaka amabini anamakhulu asixhenxe iintlobo, kuquka phantse emithathu elinesibini iintlanzi ezifumaneka apha kuphela yaye akukho wumbi.
Enyanisweni, ichibi elikhulu yaye nje omkhulu phantse yonke kwilizwekazi. North America, umzekelo, idume amachibi Michigan kunye Huron, ubume bobuso apho - phantse 120 ophosa square. Kwaye ke indawo of Lake Superior, ukuba ibekwe kwindawo enye, eMntla Melika, ngaphezu ezikwere zeekhilomitha asibhozo anesibini amawaka. Imvelaphi yalo umzimba ngamanzi ngenxa ukunyibilika ezihambayo. Yeyona inkulu, zinzulu nengqele. E East Afrika, uye ichibi sayo sikhulu - Victoria - kunye kwindawo umphezulu open source lwe phantse 69.000 square khilomitha, kodwa ubunzulu yayo lincinane. A isixa esikhulu imvula - lo mthombo wamanzi agcwalisa Victoria. Of emachibini yeyona yesibini ngobukhulu kwaye yesibini kuphela Upper.
Ukubuyela Russia indawo, awukhumbuli omnye ichibi, abalunikelwayo kwakanye yesine yeli hlabathi, yaye namhlanje nganeno ngaseludinini lokutshabalala - noLwandle Aral. inkqubo Shoaling iya ngokukhawuleza kakhulu. Misele ezimbini eziphambili - i Syr Darya kunye nemilambo Amu Darya, bethwele amanzi yabo kuLwandle Aral, kodwa ngaphezu kwesiqingatha senkulungwane, abantu basoloko ziqokelela kwaye zisebenzise amanzi omlambo kwezolimo ukuze kunkcenkceshelwe. Izazinzulu iminyaka emininzi ulwa ingxaki kulondolozwe loLwandle Aral, kodwa watsho phantsi. Rescue ichibi iphakathi Uzbekistan kunye Kazakhstan ngelishwa lutshitshe.
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