Txawm hais tias feem ntau cov suab puam, xws li Sahara ntawm North Africa thiab cov suab puam ntawm sab qab teb hnub poob US, Mexico, thiab Australia, tshwm sim nyob rau hauv qis latitudes, lwm hom suab puam, txias deserts, tshwm sim nyob rau hauv lub Lub phiab thiab thaj tsam ntawm Utah thiab Nevadathiab nyob rau thaj tsam ntawm sab hnub poob Asia.
Cov suab puam nyob qhov twg?
thaj chaw hais lus, feem ntau cov suab puam muaj nyob ntawm sab hnub poob ntawm cov teb chawslossis - nyob rau hauv cov suab puam Sahara, Arabian, thiab Gobi thiab cov suab puam me ntawm Asia-yog. nyob deb ntawm ntug dej hiav txwv hauv Eurasian sab hauv. Lawv zoo li tshwm sim nyob rau sab hnub tuaj ntawm cov loj subtropical high-pressure cells.
Nej cov suab puam nyob qhov twg?
Ntau lub ntiaj teb cov suab puam nyob ze 30 degrees sab qaum teb latitude thiab 30 degrees sab qab teb latitude, qhov chaw cua sov equatorial pib nqis los. Cov huab cua nqis los yog ntom thiab pib sov dua, evaporating ntau cov dej los ntawm thaj av. Qhov tshwm sim huab cua qhuav heev.
Dab tsi yog cov suab puam loj tshaj plaws hauv ntiaj teb?
World's biggest deserts
Cov suab puam loj tshaj plaws hauv ntiaj teb yog cov suab puam Antarctic, npog thaj av ntawm Antarctica nrog thaj tsam ntawm 5.5 lab square mais. Lo lus suab puam suav nrog cov suab puam polar, cov suab puam subtropical, lub caij ntuj no txias thiab cov suab puam hauv ntug hiav txwv txias, thiab ua raws li lawv qhov chaw nyob.
Lub teb chaws twg muaj thaj chaw suab puam tshaj?
Tuam Tshoj muaj ntau tshaj plaws ntawm cov suab puam (13), ua raws li Pakistan (11) thiab Kazakhstan (10). Lwm lub tebchaws hauv Asia uas muaj suab puam suav nrog Afghanistan, Bahrain, Kyrgyzstan, Iran, Iraq, Jordan, United Arab Emirates, Syria, thiab Oman.
