Yuav ua li cas yog lub nyem? Peb muab ib tug txhais ntawm lub tswvyim ntawm

Yuav koj teb cov nqe lus nug ntawm yog dab tsi ib nyem? Thaum xub thawj siab ib muag, qhov no yog tsis muaj big deal, thiab txhua tus tub ntxhais kawm ntawv yuav tau coped nrog no ua hauj lwm. Sawv daws yeej paub hais tias nws yog lo lus peb siv los hu rau qhov chaw nyob ib ncig ntawm peb: toj siab, lub nras, depressions, toj thiab cliffs. Txawm li cas los, wb sim mus muab ib tug ntau leej thiab ncauj lus kom ntxaws txhais, raws li nyob rau hauv scientific cov nqe lus. Yuav ua li cas yog lub nyem? Ib tug ntau txhais ntawm

Lo lus "nyem" nyob rau hauv lub niaj hnub Lavxias teb sab lus tuaj los ntawm Fabkis. Txawm li cas los, raws li linguists, kws tshawb fawb, nws keeb kwm nyob rau hauv ancient Latin, qhov twg qhia txog kev ua «relevo» meant "tsa", "tej yam", "ntauwd". Niaj hnub no nws yog ib lub totality ntawm tag nrho cov irregularities, tab sis tsis tau tsuas yog lub teb chaws thiab lub seas thiab oceans. Reliefs yuav txawv muaj nuj nqis nyob rau hauv tus qauv npaj ua, tus cwj pwm, hauv paus chiv keeb, loj, me, hnub nyoog thiab keeb kwm ntawm txoj kev loj hlob, tab sis nyob rau tag nrho lawv yuav tsum tau muab faib ua zoo, uas tseem hu ua convex, thiab tsis zoo los yog concave.

Macrorelief yog ib tug ncaj uas nws kim heev qhov chaw ntawm thaj av uas yuav nthuav nyob rau hauv lub kaum los yog pua pua ntawm kilometers. Piv txwv yog plateaus, nras, dej basins thiab roob yog hom twg.

Los ntawm microrelief yog funnels, me me dunes, txoj kev embankments, me me hillocks thiab gullies. Nyob rau hauv luv luv, tag nrho cov pob, nce kev hloov uas tsis pub tshaj ib tug ob peb meters.

Nyob rau hauv tas li ntawd, kws tshawb fawb tau pom ntau mesorelief thiab nanorelief. Tus thawj hom muaj xws li hollows, ridges, toj, nram hav, terraces, toj, dunes thiab gullies, lub thib ob - khais furrows, Ruts, muaj nyob rau hauv lub rov qab txoj kev, raws li zoo raws li cov mole emissions.

Cov yooj yim ntaub ntawv ntawm cov nyem yog feem ntau lub roob thiab lub nras. Nws yog hais txog lawv thiab yuav tsum tau tham ntxiv.

Yuav ua li cas yog lub nyem? roob Qhov xwm ntawm tus nyem ntawm no zoo implies ib tug zoo zoo lawm ntawm lub roob hav, uas yog cov yam ntxwv rau ib tug ntse nqa cais khoom rau ib tug kuj tiaj. Nyob rau hauv cov ntaub ntawv no, lub chaw siab tshaj, puag thiab sab saum toj yuav tsum tau cov lus hais.

Nta ntawm no hom ntawm nyem yog feem ntau kho tau los ntawm lawv cov tsos yog saum, thiab lawv, nyob rau hauv lem, yog domed, peaked, toj siab-ib yam li thiab lwm tus neeg. Nws yuav tsum tau muab sau tseg hais tias ntau heev, nws yuav zoo li, yog paub rau peb lub teb chaws thaj av, zoo li islands, nyob rau hauv qhov tseeb, yog peaks ntawm underwater roob.

Yuav ua li cas yog lub nyem? nras

Nyob rau hauv qeb nyob rau hauv lo lus nug yog yuav tsum tau to taub tsis tau tsuas yog rau tej thaj chaw ntawm av, tab sis kuj rau hauv qab ntawm cov pas dej, seas thiab oceans, uas yog yus los ntawm ib tug me ntsis nqes hav cheeb tsam, nrog ib tug nruab nrab ntawm mus txog rau 5 °, thiab me me hloov mus hloov los nyob rau hauv heights mus kwv yees li 200 meters.

Raws li statistics, lub nras nyob rau hauv lub ntiaj chaw nyob ib tug loj ib feem ntawm lub cheeb tsam - ib tug tag nrho ntawm txog 64%, thiab yog pom tias cov coob lowland teej tug mus rau lub Amazon River, yuav tsum vov ntau tshaj 5 million square kilometers ..

Noj rau hauv tus account lub meej qhov siab ntawm cov landforms yog lowland, upland, upland, thiab plateaus.

Yog hais tias peb tham txog sab nraud dab, tej zaum nws yuav muab sau tseg tias lub nras yog ob hom: denudation thiab accumulative. Tus thawj tsim raws li ib tug tshwm sim ntawm kev puas tsuaj ntawm cov pob zeb, thiab rau tom kawg - nrog ib tug ua ke ntawm ntau hom ntawm sediments.