et

oruterrass

1

Terminological databases

Geomorfoloogia terminibaas

ID 464322 Last modified 08.06.2023
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Domain stream or fluvial landforms
  • horisontaalne või subhorisontaalne pind oru veerul, mida jõe poolt piirab astang, mille kõrgus sõltub konkreetsetest tingimustest
  • elongated, relatively level stripe of land on the side of a valley that is separated from the flood plain or other terrace by an escarpment. Fluvial terraces are the remnants of earlier floodplains and have formed due to the graduated downcutting of rivers while lower landforms are gradually younger. Fluvial terraces can appear on both slopes of the valley but not necessarily. Due to their geological setting terraces can be devided as alluvial or accumulative terraces, erosional terraces and core or kernel terraces.
Good to know
  • On jäänuk kunagisest lammist ja kujunenud jõe sisselõikumise tagajärjel. Jõe järkärgulisel sisselõikumisel võib oru veerule kujuneda mitu terrassi, kusjuures madalamal paiknevad terrassid on järjest nooremad. Terrassid võivad esineda mõlemal oru veerul aga ei tarvitse. Kogu oru ulatuses esinevad terrassid on kaldu suudme suunas ja neid nimetatakse tsükliterrassid. Olenevalt geoloogilisest ehitusest eristatakse alluviaalsed ehk kuhjeterrassid, erosioonilised terrassid ja tuumikterrassid ehk sokliterrassid.

Word forms

Inflection Type 22e

oruterrass oruterrassid
oruterrassi oruterrasside
oruterrassi oruterrasse ~ oruterrassisid

Etymology not available

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