Yog tias peb saib ntawm daim ntawv qhia ntawm North Africa, peb yuav pom tias nws thaj chaw loj tsis muaj dab tsi tab sis cov suab puam Sahara. Los ntawm Atlantic sab hnub poob, mus rau Mediterranean nyob rau sab qaum teb thiab Hiav Txwv Liab nyob rau sab hnub tuaj, sultry sandy av stretches. Koj puas paub tias… – Sahara tsis yog suab puam loj tshaj plaws hauv ntiaj teb. Cov suab puam loj tshaj plaws hauv ntiaj teb, txawm tias dej khov, suav tias yog Antarctica. Txawm li cas los xij, Sahara yog qhov loj loj heev thiab tau loj dua thiab loj dua txhua hnub. Tam sim no nws nyob 8% ntawm lub ntiaj teb thaj av. 11 lub tebchaws nyob hauv cov suab puam: Libya, Algeria, Egypt, Tunisia, Chad, Morocco, Eritrea, Nigeria, Mauritania, Mali thiab Sudan. "Thaum Asmeskas nyob hauv tsev rau 300 lab tus tib neeg, Sahara, uas nyob hauv thaj chaw zoo sib xws, tsuas yog nyob hauv 2 lab. “Ntau txhiab xyoo dhau los, Sahara yog thaj av uas muaj qoob loo. Tsuas yog qee qhov 6000 xyoo dhau los, feem ntau tam sim no Sahara tau cog qoob loo. Interestingly, prehistoric pob zeb paintings pom nyob rau hauv lub Sahara depict profusely flowering nroj tsuag. "Txawm hais tias feem ntau cov neeg xav txog Sahara ua lub qhov cub kub kub, txij lub Kaum Ob Hlis mus txog Lub Ob Hlis, qhov kub ntawm thaj chaw suab puam poob mus rau khov. - Qee cov xuab zeb dunes hauv Sahara tau npog nrog daus. Tsis yog, tsis muaj, tsis muaj chaw caij ski nyob ntawd! - Qhov kub siab tshaj plaws hauv keeb kwm ntawm lub ntiaj teb tau sau tseg hauv Libya, uas poob rau thaj chaw ntawm Sahara, xyoo 1922 - 76 C. - Qhov tseeb, lub npog ntawm Sahara yog 30% xuab zeb thiab 70% gravel.
2022-11-11