Tsim, Secondary kev kawm ntawv thiab cov tsev kawm ntawv
Basic ntsiab ntawm kev uas tsuas tshuab. Yuav ua li cas yog cov kab nyob rau hauv geography?
Yuav ua li cas yog lub caj? Qhov no lub sij hawm yog siv nyob rau hauv peb txawv qhov tseem ceeb:
- raws li ib tug los tsiaj tus txha nqaj;
- raws li ib feem ntawm lub roob los yog lub teb chaws;
- nyob rau hauv figurative siab: lub hauv paus los yog pas nrig dab tsi.
Nyob rau hauv no tsab xov xwm, peb yuav mloog zoo rau peb cov xim rau lub fact tias xws li ib tug ntau yam nyob rau hauv geography. Yuav ua li cas puas tau nws zoo li cas? Yuav ua li cas yog lub ntsiab muaj? Nyob rau hauv no tsab xov xwm koj yuav pom tau ib daim ntawv teev cov loj roob ranges ntawm lub ntiaj teb no.
Hais txog lub roob system. Yuav ua li cas yog lub caj?
Roob system (lub teb chaws los tsuas - lub roob) - ib daim ntawv ntawm planetary struts, uas muaj ob peb yam ntxwv hais. Cov lawv:
- roob ranges;
- intermontane basins thiab nram hav;
- ib co peaks;
- roob;
- Highlands thiab foothills.
Cia peb xav txog nyob rau hauv ntau yam ntawm cov thawj lub caij ntawm uas daim ntawv teev. Yog li ntawd, dab tsi yog qhov caj qaum? Nws tseem zoo nkauj loj loj, zoo, linearly-taw qhia kom paub daim ntawv ntawm nyem, uas muaj ib tug saw ntawm cais peaks. Tej roob muaj ob cov ntsiab: lub Crest thiab qhov chaw siab tshaj qhia nyob rau hauv opposite lus qhia. Cov yav tas, raws li ib tug txoj cai, muaj loj nqes hav.
Tus txheeb ze qhov siab ntawm lub roob yog hom twg mas nyias txawv nyias, los ntawm ib tug ob peb puas meters mus rau ob peb kis lus mev. Nyob rau hauv ntev tej zaum lawv yuav mus txog ob peb kaum los sis txawm pua pua ntawm kilometers. Tus duab ntawm lub hom phiaj yog hom twg yog ncaj los nkhaus (thib ob hom yog pom nyob rau hauv cov xwm ntau npaum li cas nquag).
Sis yog hom twg. Qhov loj tshaj plaws roob ranges ntawm lub ntiaj teb no
Peb tau pom hais tias qhov no ntau yam. Tam sim no, cia peb kawm saib ua li cas rau INTERACTIONS ridges thiab uas ntaub ntawv lub nyem li tsim.
Yog hais tias ob tug caj nyob ib sab thiab thaum uas tig mus rau txhua lwm yam, ces ib tug lowland, hereinafter xa mus rau geomorphology gully therebetween. Heev feem ntau nyob rau ntawm lub hauv qab yog tsim los ntawm cov channel ntawm ib tug me me watercourse, raws li lub hav nrog ib tug ob slopes ntws dej.
Muab cov kev tshuam ntawm ob los yog ntau tshaj ridges ntawm lub roob hu ua node. Tab sis lub system ntawm ob peb linearly elongated ridges hu ua roob saw.
Hauv qab no yog ib daim ntawv teev cov sab saum toj kaum roob ranges ntawm cov ntiaj chaw (sau rau hauv qhia tau tias lawv qhov chaw nyob thiab zuag qhia tag nrho ntev):
- Vernadsky (Antarctica, 2400 km).
- Ntug dej hiav txwv (Canada, 1600 km).
- Verkhoyansk (Russia, 1200 km).
- Sikhote-Alin (Russia, 1200 km).
- Greater Caucasus (Russia, Georgia, Azerbaijan, 1,100 km).
- Aleutian (TEB CHAWS USA, 1000 km).
- Mugodzhary (Kazakhstan, 650 km).
- Abakan (Russia, 300 km).
- Ile Alatau (Kazakhstan, 280 km).
- Agrydag (qaib ntxhw, 200 km).
Feem ntau cov feem ntau yog hom twg yog ib feem ntawm ib tug loj roob systems. Tab sis tej zaum lawv yuav ua tau nyob rau hauv daim ntawv ntawm cov neeg sab nraud geomorphological lug.
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