Rau feem ntau, cov dej ntawm Qaib Cov Txwv tsis tsim nyog rau kev taug kev, vim tias lawv muaj ntau qhov dej ntws raws txoj kev. Ib txhia ntawm lawv qhuav tag thaum lub caij ntuj sov.
Dej Euphrates
Lub txaj dej hla hla thaj tsam ntawm peb lub xeev - Qaib Cov Txwv, Syria thiab Iraq. Euphrates yog cov dej loj tshaj plaws nyob hauv txhua lub tebchaws sab hnub poob Asia. Tag nrho qhov ntev ntawm tus dej yog 2700 kilometers. Qhov chaw ntawm tus dej nyob hauv toj siab ntawm Armenian Highlands, qhov uas muaj ob tus dej sib tshuam ua ke: Kurasu thiab Murat. Lub qhov ncauj yog dej ntawm Persian Gulf.
Qhov dav tshaj plaws ntawm tus dej channel yog 500 metres nrog qhov tob txog li 10 meters. Thaum dej nyab raws caij nyoog, qib dej hauv Euphrates tuaj yeem nce 4 meters siab tshaj qhov qub, uas ua rau muaj dej nyab loj heev ntawm ntug dej hiav txwv.
Cov dej nyob sab saud muaj tus yam ntxwv zoo li roob, ua rau nws txoj kev hla hav nqaim. Thiab tsuas yog tom qab mus txog Mesopotamian lowland nws tau hloov pauv mus ua ib qho dej ntws qis. Lub hauv paus tseem ceeb ntawm Euphrates yog: Khabur; Belykh; Tokma; Göksu.
Araks tus dej
Cov Araks hla dhau thaj av ntawm plaub lub xeev - Qaib Cov Txwv, Armenia, Azerbaijan thiab Iran. Tag nrho qhov ntev ntawm cov channel yog 1,072 kilometers. Tus dej tsis tuaj yeem taug kev. Cov dej ntawm Araks tau siv tshwj xeeb rau kev ywg dej. Cov hauv paus tseem ceeb: Aker; Sevjur; Hrazdan; Coj; Karasu.
Hauv nws txoj kev kawm sab saud, cov channel khiav mus rau hauv qab ntawm qhov nqaim nqaim, thiab ntawm no Cov Araks yog cov hav dej uas ceev heev. Tom qab nkag mus rau thaj tsam ntawm Ararat tiaj, cov ntug dej ntws nqis los, thiab Araks nws tus kheej tau muab faib ua cov channel.
Qhov chaw ntawm tus dej nyob ntawm qhov chaw siab tshaj ntawm 3000 metres saum hiav txwv ntawm qhov nqes hav ntawm Bingol Ridge. Kev kov yeej nws txhiab mais, cov Araks ua tiav txoj kev taug, koom nrog cov dej ntawm Kura.
Murat dej
Tus dej ntws hla thaj tsam ntawm Armenian Highlands hauv Qaib Cov Txwv thiab muaj tag nrho ntev ntawm 722 kilometers. Murat yog ib lub hauv paus tseem ceeb ntawm Euphrates.
Qhov chaw ntawm tus dej nyob rau sab hnub tuaj Qaib Cov Txwv ze Mount Ararat. Cov channel khiav raws hav ntawm Armenian Highlands. Tus dej yog qhov txawv ntawm qhov tseem ceeb hauv qib dej. Qhov siab tshaj plaws tau sau tseg nyob rau lub Plaub Hlis thiab Tsib Hlis. Thaum lub sijhawm so ntawm lub xyoo, tus dej yog qhov ntiav.
Murat tsis tuaj yeem hla txhua qhov. Ib feem ntawm tus dej tuaj yeem khov thaum lub caij ntuj no.
Tus dej Sakarya
Sakarya hla dhau thaj av ntawm Qaib Cov Txwv thiab muaj qhov ntev ntawm 824 kilometers (raws li qee qhov chaw, qhov ntev ntawm tus dej tsuas yog 790 kis lus mev). Qhov no yog tus dej Turkish ntev tshaj plaws thib ob. Sakarya tsis tuaj yeem ua tiav. Cov hauv paus tseem ceeb: Porsuk; Ankara.
Lub hauv paus, ntxiv rau qhov siab tshaj plaws, nyob ntawm thaj chaw ntawm Phrygia - yog ib thaj tsam keeb kwm ntawm lub tebchaws. Lub qhov ncauj ntawm tus dej yog cov dej ntawm Hiav Txwv Dub (thaj av Bithynia). Lub ntsiab tseem ceeb ntawm tus dej yog tus choj Besköprü, uas yog 430 meters ntev.