Video: Dab tsi yog qhov txawv ntawm U-shaped valley thiab V-shaped hav?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
V - zoo li hav muaj ntxhab hav phab ntsa nrog nqaim hav pem teb. U - zoo li hav , los yog glacial troughs, yog tsim los ntawm cov txheej txheem ntawm glaciation. Lawv yog cov yam ntxwv ntawm roob glaciation hauv tshwj xeeb. Lawv muaj tus yam ntxwv U shape , nrog ntxhab, ncaj sab thiab ib tug ca hauv qab.
Hauv qhov no, lub hav zoo li V yog dab tsi?
BSL Geography Glossary - V - zoo li lub hav - definition A V - hav yog tsim los ntawm erosion los ntawm ib tug dej los yog kwj dej dhau sij hawm. Nws yog hu ua a V - hav raws li cov duab ntawm lub hav yog tib yam li tsab ntawv V ”.
Ib tug kuj yuav nug, qhov twg yog V zoo li lub hav? V - Puab Valleys Cov no hav daim ntawv nyob rau hauv roob thiab / los yog highland cheeb tsam nrog kwj nyob rau hauv lawv cov "hluas" theem. Nyob rau theem no, cov kwj deg ntws sai sai rau hauv txoj kab nqes hav. Ib qho piv txwv ntawm a V - zoo li hav yog Grand Canyon nyob rau Southwestern United States.
Hauv qhov no, U thiab V zoo li cov kwj ha tsim li cas?
Lawv muaj tus yam ntxwv U zoo li, nrog ntxhab, ncaj sab thiab ib lub tiaj los yog puag ncig hauv qab (los ntawm qhov sib txawv, hav carved los ntawm cov dej ntws zoo li yuav V - zoo li tus nyob rau hauv cross-section). glaciated hav yog tsim thaum lub glacier hla thiab nqes hav, carving lub hav los ntawm kev ua ntawm scouring.
Vim li cas cov glaciers tsim U zoo li cov hav es tsis yog V zoo li hav?
Valley glaciers kos duab U - zoo li hav , as opposed to cov V - zoo li hav carved los ntawm cov dej ntws. Raws li dej khov ntws los ntawm cov no hav , lawv mloog zoo erosive nkaus rau tag nrho hav , widening nws pem teb thiab tshaj-steepening nws phab ntsa.
Pom zoo:
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