Ubude ogwadule eSahara ukusuka enyakatho kuya eningizimu, kusukela eningizimu kuya enyakatho

Ngokusho ososayensi abaningi, e-Afrika, lapho namuhla iyona enkulu kunazo zonke futhi oluyimfihlakalo kunalo lonke ehlane iplanethi, kuyinto okwazalelwa kuyo impucuko womuntu. Futhi, kodwa kukholakala ukuthi ugwadule izindawo ophoqelelwe abantu + ukuba ngisiphule ezimpilweni zabo kanye nezimo ezintsha zokuphila. Lokhu ngezinga elithile nomthelela kwemvelo indoda.

Ososayensi ukubheka esidlule yeSahara

Ngokusho ososayensi abathile, kwezazi, endaweni lapho manje welula iSahara, kwaba kanye sezulu ezahlukene kakhulu. Yena wayemthanda yokwanda kabanzi ngezitshalo nangezilwane eziphila kuzo ahlukahlukene. Ezihlukahlukene uhlaza wanika nokokwembatha ukuze izilwane nabantu, ngakho le ndawo ezinabantu abaningi ngabantu.

isikhundla ezindawo

Ubude ogwadule eSahara enyakatho kuya eningizimu futhi kusukela entshonalanga kuya emngceleni osempumalanga mkhulu kangangokuba kuthatha cishe 30% wezindleko endaweni Afrika noma wesithathu ingxenye yayo enyakatho. I Sahara osuka Atlantic coast baze bafika eLwandle Olubomvu. Lezi zici kwezwe imingcele engokwemvelo ehlane entshonalanga nasempumalanga. Ibanga ukusuka Western imigqa Eastern imayelana 4800 amakhilomitha. Ubude enyakatho kuya eningizimu yeSahara ezindaweni zayo ezihlukahlukene ezisukela 800 kuya 1200 km. Enyakatho, ugwadule kuziwa Atlas Mountains kanye lubhekisele oLwandle iMedithera. Esikhathini eningizimu yeSahara is izungezwe izindunduma lasendulo sedentary esingaweleki esogwadule waseLibya.

Banikezwe ngokwezinga elikhulu iSahara eningizimu kuya enyakatho, ingasaphathwa lokuthi itholakala Nenkabazwe futhi aluphumeleli imingcele yenkabazwe.

Ukubukeka yesimanje zensimu

On the expanses kwabantu Sahara ubuswa imimoya enamandla, ekwazi endaweni ethile a yisisindo esikhulu esihlabathini. Kungenxa yalesi sizathu ukuthi endaweni kushintsha njalo ukubukeka kwayo.

abantu lutho ngezinye izikhathi ngephutha sikholelwe ukuthi ubude yonke ogwadule eSahara enyakatho kuya eningizimu - iyona ndawo embozwe isihlabathi. Kodwa akunjalo. Sand Sea hlala% 10 kuphela landscape. On kakhulu elula ithafa enamadwala eliphuma ngaphezu kogu lolwandle akuyona amamitha angaphezu kuka-400. Phakathi kwabo liphuma lamanani okukhulu ukuqhuma kwezintaba-mlilo. ukuphakama yabo ongafinyelela 3000 m ezinkulu enamadwala bobunjwa yinqaba -. Olunye uhlobo Sahara landscape.

On the ngezizathu ukuthi ubude iSahara kusukela eningizimu kuya enyakatho inkulu ngakho, bemunye ngezigaba enemininingwane ebukeka, njalo esikhundleni nomunye, engakaze athuthukile. Izincwadi zemfundo nesayensi kukhona kuphela isihloko esikhulu, nakuba empeleni kusaba.

Ubude omkhulu ogwadule eSahara enyakatho kuya eningizimu - kuyinto isihlabathi namatshe, ngezinye izikhathi eyayihambisana ezivundile. Basuke bondliwa komhlaba ngamanzi Artesian futhi komhlaba ezenzeka lapha ngamanani amakhulu. Lokhu kukhipha i nature izindawo amahle ngokungavamile phakathi ukuthula efile yesihlabathi itshe. Kuqale zasemazweni nezinye imibala egqamile ezivundile umbukwane omuhle ikakhulukazi lomuntu.

isomiso Intensified

Ubude ogwadule eSahara enyakatho kuya eningizimu unyaka nonyaka iyakhula. Lokhu kwenzeka ngenxa nesomiso ezindaweni ezincikene endaweni desert, aphindaphindwe nge njalo ezithile. Ososayensi kwemvelo ehlukile ukuchaza inqubo, kodwa ugwadule ibangelwa izindawo entsha Afrika namanje obonwa abantu. ukusetshenziswa engenangqondo kwemithombo yemvelo njalo kuholela ezinkingeni yalolu hlobo.

lithathelwe womuntu ekuphileni eSahara

Imibandela kakhulu owandile insimu yonke ogwadule, ukwenza umuntu ophilayo lapha cishe kungenakwenzeka. Nokho, naphezu kwalokhu ngisho ezindaweni ezomile iningi Sahara siphile Tuareg abayimizulane kanye Ngakho. Kodwa namanje kufanele kusho ukuthi kwezinye izindawo emaphethelweni nokhahlo ushiyiwe ngokuphelele.

Kwenqwaba labantu ehlane obzhila ezindaweni elise ngasogwini saseNayile - emfuleni kuphela egeleza yonkana Sahara. Iziteshi we neminye imifula zigcwele amanzi anikeza ukuphila kuphela esikhathini esifushane yemvula. Khona-ke kokuba zome futhi ngizikhumbuze nje ukuhlala phezu anemifantu.

Muntu wayengasoleki ukuthi angakhula ekuniseleni ehlane ezindaweni icebile sokuvuna izitshalo, ukukhulisa izinkomo. Kodwa ngenkasa yokufakelwa - an hlobo ezibizayo umsebenzi - amanzi ahlanzekile amanga ezijulile ngaphansi kwezihlabathi, futhi uyiphakamise kwamanzi kungaba nzima. Isabelomali emazweni amaningi ase-Afrika abakwazi ukumelana nezindleko ezifana. Nokho, naphezu ngokwezinga elikhulu ogwadule eSahara nezimo zokuphila ezinzima lapha, ohulumeni eminye imisebenzi yentuthuko uthi. Ngenxa yalokho, sathola idiphozithi yanoma uwoyela, igesi, phosphate, yensimbi kanye nethusi netshe, i-uranium, igolide. Umcebo wemvelo agcinwe yembathani ukwakha kule ndawo iplanethi esigabeni ngombono.