Cov txheej txheem:
Video: Yuav ua li cas dej khov erode lub toj roob hauv pes?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Lub qhov hnyav ntawm glacier, ua ke nrog nws maj mam txav mus, tuaj yeem hloov kho lub zog toj roob hauv pes ntau pua lossis ntau txhiab xyoo. Cov dej khov erodes thaj av saum npoo thiab nqa cov pob zeb tawg thiab cov av khib nyiab deb ntawm lawv qhov chaw qub, ua rau qee qhov nthuav dav glacial landforms.
Kuj nug tias, dej khov ua rau yaig li cas?
Kev yaig los ntawm Glaciers Glaciers ua rau erosion nyob rau hauv ob txoj kev tseem ceeb: plucking thiab abrasion. Plucking yog ua rau thaum cov dej ntws los ntawm cov dej khov. Cov dej khov muaj sediments thiab pob zeb khov nyob rau hauv lub dej khov . Cov pob zeb thiab sediment sib tsoo thaum lub glacier txav mus.
Kuj Paub, dab tsi nta ua glaciers erodes? U-shaped hav , dai hav , cirques, horn, thiab cov arêtes tsuas yog qee qhov ntawm cov yam ntxwv sculpted los ntawm dej khov. Cov khoom eroded yog tom qab tso rau hauv cov dej khov loj, hauv moraines, stratified drift, outwash plains, thiab drumlins.
Hauv qhov no, cov dej khov puas yog ib feem ntawm kev yaig?
Dej khov erosion yog cov txheej txheem loj chunks ntawm dej khov lub npe hu ua glaciers, eroding ib cheeb tsam dhau lub sij hawm ntev nrog kev pab ntawm lub ntiajteb txawj nqus. Hauv qab no yog qee qhov piv txwv ntawm dej khov erosion los ntawm thoob plaws lub ntiaj teb no, thaum dej khov ib zaug npog tag nrho lub ntiaj teb - thiab dhau mus.
Yuav ua li cas cov av erosion tsim?
Cov av tsim los ntawm glacial yaig yog:
- Corries.
- Arêtes.
- Pyramidal Peaks.
- U Shaped Valleys lossis glacial troughs.
- Txiav Spurs.
- Hanging Valleys.
Pom zoo:
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