TIPI RELIEFA - rečni relief Flashcards

1
Q

značilno

A

doline, terase

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2
Q

kateri procesi ga oblikujejo

A
  • erozija (bočna - širi, globinska - poglablja)
  • prenašanje
  • akamulacija
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3
Q

ZGORNJI TOK

A
  • reka je ozka in globoka (vintgar, soteska, kanjon, korita)
  • hiter tok
  • s sabo prenaša materiale
  • prevladuje GLOBINSKA erozija
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4
Q

SREDNJI TOK

A
  • akumulacija
  • počasen tok
  • manjši strmec
  • prevladuje BOČNA erozija
  • širša
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5
Q

terase (fluvioglacialne terase)

A
  • najnižja t. -> najmlajša
  • najvišja t. -> najstarejša
  • prehod med dvema terasama = ježa
  • nastanejo z menjavo EROZIJE in AKUMULACIJE v ledenih in medledenih dobah
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6
Q

ledene dobe

A

gozdna meja se niža, mehansko preperevanje, ledeniki (prinašajo kamninski material) VELIKO AKUMULACIJE

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7
Q

medledene dobe

A

več padavin, ni ledenikov, ni mehanskega preperevanja, PRETEŽNO PRISOTNA EROZIJA

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8
Q

SPODNJI TOK

A
  • nosi lahek material
  • prevladuje BOČNA EROZIJA in AKUMULACIJA
  • reke so plitke
  • reke pogosto SPREMINJAJO SVOJO STRUGO (zaradi bočne erozije)
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9
Q

kaj je mrtvi meander

A

niso dolgotrajen pojav, se hitro posušijo

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