Koj tuaj yeem pom lub ncov pyramidal qhov twg?
Koj tuaj yeem pom lub ncov pyramidal qhov twg?

Video: Koj tuaj yeem pom lub ncov pyramidal qhov twg?

Video: Koj tuaj yeem pom lub ncov pyramidal qhov twg?
Video: koj tuaj mus dab tsis by nuj xeem & kab zuag lis nkauj tawm tshiab 2020-2021 2024, Kaum ib hlis
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A pyramidal ncov tuaj yeem pom nyob rau hauv toj roob hauv pes uas tau carved los ntawm glacial kev ua si.

Tsis tas li ntawd, lub ncov ntawm lub pyramid hu ua dab tsi?

Ib tug pyramidal ncov , qee zaum hu ua ib tug glacial horn nyob rau hauv heev mob, yog ib tug angular, sharply taw roob ncov uas tshwm sim los ntawm lub cirque yaig vim muaj ntau yam glaciers diverging los ntawm qhov chaw nruab nrab. Pyramidal ncov feem ntau yog piv txwv ntawm nunataks.

Tsis tas li ntawd, puas yog Helvellyn lub ncov pyramidal? Glacial Landforms - Upland Features Arete - Qhov no yog nqaim, riam ntug sib cais ob corries, piv txwv li. Striding Ntug, Helvellyn . Pyramidal Peaks - Cov no yog tsim thaum peb lossis ntau dua corries tsim nyob rau sab ntawm ib lub roob, xws li. Lub Matterhorn, Switzerland lossis Mount Snowdon, Snowdonia National Park, Wales.

Ib sab saum toj no, koj tuaj yeem nrhiav Arete qhov twg?

Yav dhau los, glaciers tau ntws hauv ntau qhov chaw hauv ntiaj teb. Hauv Glacier National Park hauv Northern Montana, loj cov arête tsim tuaj yeem nrhiav tau hu ua Garden Wall. Lwm tus muaj nyob hauv Yosemite National Park thiab hauv ntau thaj chaw ntawm Utah thiab lwm thaj chaw roob.

Peak landform yog dab tsi?

Ib lub roob loj daim av uas nce saum toj ib puag ncig thaj av nyob rau hauv ib cheeb tsam txwv, feem ntau nyob rau hauv daim ntawv ntawm ib tug ncov . Ib lub roob feem ntau steeper tshaj ib lub toj. Cov roob yog tsim los ntawm tectonic rog los yog volcanism.

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