Arete nyob qhov twg?
Arete nyob qhov twg?

Video: Arete nyob qhov twg?

Video: Arete nyob qhov twg?
Video: David Yang - Koj Nyob Qhov Twg Ft. Hands Band (Prod. By Lytos) 2024, Kaum ib hlis
Anonim

Ib tug paub zoo cov arête tsim yog lub ncov pyramidal hu ua Matterhorn. Nws yog nyob nyob rau hauv lub Alps ntawm ciam teb ntawm Switzerland thiab Ltalis.

Hais txog qhov no, Arete zoo li cas?

Ib cov arête yog ib tug nyias, crest ntawm pob zeb sab laug tom qab ob tug glaciers uas nyob ib sab tau hnav ib tug ntxhab ridge rau hauv lub pob zeb. Lub horn tshwm sim thaum glaciers eroded peb los yog ntau tshaj arêtes, feem ntau tsim ib tug ntse-edged ncov. Cirques yog concave, ncig basins carved los ntawm lub hauv paus ntawm ib tug glacier raws li nws erodes toj roob hauv pes.

Kuj Paub, Arete yog dab tsi hauv kev tshawb fawb? Ib cov arête yog ib lub pob zeb nqaim uas cais ob lub hav. Nws yog feem ntau tsim thaum ob glaciers erodes parallel U-puab hav. Arêtes tuaj yeem tsim tau thaum ob lub glacial cirques eroded headwards ntawm ib leeg, txawm hais tias feem ntau qhov no ua rau lub eeb-puab hla, hu ua col.

Tom qab ntawd, lo lus nug yog, puas yog Arete yaig lossis tso tawm?

Lawv tsim nyob rau hauv roob thiab ntws los ntawm roob hav dej. Glaciers ua rau kev yaig los ntawm plucking thiab abrasion. Valley glaciers tsim ntau yam tshwj xeeb los ntawm kev yaig , suav nrog cirques, arêtes, thiab horns. Cov av uas tso los ntawm cov dej khov nab kuab muaj xws li drumlins, kettle pas dej, thiab eskers.

Lub horn yog dab tsi thiab qhov twg tsim ib qho?

A horn yog lub ncov uas daim ntawv los ntawm peb arêtes. Nws tseem hu ua lub ncov pyramidal. Ib arête yog lub ntug uas daim ntawv nyob rau hauv cov av los ntawm cirque yaig, los yog thaum ob cirque glaciers daim ntawv tawm tsam ib leeg, tsim kom muaj ntug ntse. Thaum ntau tshaj ob arêtes sib ntsib, qhov no yog a horn.

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