Cov txheej txheem:
Video: Tus dej hluas ua dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Hluas Nkauj
Cov dej uas ntws hla tej toj roob hauv pes yuav ntws ceev heev. Cov tus dej ntws nqes hav gradient (slope). 2. Cov channel yog qhov tob dua li qhov dav thiab V-shaped vim yog downcutting es tsis yog lateral (sab-rau-sab) yaig.
Xav txog qhov no, 3 theem ntawm tus dej yog dab tsi?
3 Theem Ntawm Ib Tug Dej
- PHAU NTAWV QHIA TXOG KEV KAWM NTAWV - V- Shaped Valley > Erosion.
- MATURE STAGE (MIDDLE COURSE) – Meanders > Erosion and Deposition.
- QHOV CHAW UA HAUJ LWM (QHOV TSEEB) – Dej nyab > Deposition.
- Qhov zoo. Scenic Attractions.
- Kev phom sij. Dej nyab - Kev puas tsuaj rau vaj tse, av, tsiaj txhu thiab tsev.
- Qhov zoo.
- Qhov tsis zoo.
Tsis tas li ntawd, peb yam ntxwv ntawm tus dej qub yog dab tsi? Tus dej qub : A tus dej nrog qis gradient thiab qis erosive zog. Cov dej qub yog tus cwj pwm los ntawm dej nyab. Piv txwv li yog daj, qis Ganges, Tigris, Euphrates, Indus thiab qis Nile tus dej . Rejuvenated tus dej : A tus dej nrog ib tug gradient uas yog tsa los ntawm tectonic uplift.
Hais txog qhov no, koj tuaj yeem qhia tau tias tus dej muaj hnub nyoog li cas?
Koj tuaj yeem ua qhov kwv yees zoo ntawm qhov tseeb lub hnub nyoog ntawm "dej "los ntawm kev txiav txim qhov tseeb hnub nyoog ntawm qhov tob tshaj plaws tus dej deposits nyob rau hauv lub tshwj xeeb phiab. Hauv rooj plaub koj muaj ob tus dej thiab koj xav tau txiav txim tus txheeb ze hnub nyoog , koj tuaj yeem siv lub muaj hnub nyoog ntawm cov deposits.
Qhov kawg ntawm tus dej yog dab tsi?
Cov kawg ntawm tus dej hu ua lub qhov ncauj. Ntawm qhov ncauj, feem ntau muaj a tus dej delta, ib tug loj, silty cheeb tsam qhov twg lub tus dej splits rau hauv ntau yam sib txawv qeeb-ntws raws uas muaj av nkos ntug dej.
Pom zoo:
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Dab tsi yog qhov tseem ceeb tshaj plaws uas yuav tsum muaj rau cov kua dej ntws hauv cov kav dej Dab tsi lwm yam cuam tshuam rau cov dej ntws?
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