Morphological patterns of mountain headwater channels of the Outer Western Carpathians.

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Morphological patterns of mountain headwater channels of the Outer Western Carpathians.

Popis výsledku v původním jazyce

Channel-reach morphology classification by Montgomery and Buffington (1997) was applied in the Western Carpathian streams predisposited by flysch geological structures. This classification was extended by two intermediate morphologies: bedrock-cascades and steprapids: Bedrock-cascades were distinguished by occurrence of bedrock and lower sediment supply from cascades. Step-rapids are different from step-pools due to lacks of developed pools and probably higher sediment supply. General trends as wideningof bankfull channels with increase of basin area were observed in local channels. By contrast, bankfull depth was recognized as an independent variable due to its low variety. Downstream coarsening was significant for slope-channel coupled reaches only.Some certain ratio of channel width and d90 predicted interlocking of boulder steps and origin of well-developed step-pool morphology, which supported jamming theory introduced by Church and Zimmermann (2007).

Název v anglickém jazyce

Morphological patterns of mountain headwater channels of the Outer Western Carpathians.

Popis výsledku anglicky

Channel-reach morphology classification by Montgomery and Buffington (1997) was applied in the Western Carpathian streams predisposited by flysch geological structures. This classification was extended by two intermediate morphologies: bedrock-cascades and steprapids: Bedrock-cascades were distinguished by occurrence of bedrock and lower sediment supply from cascades. Step-rapids are different from step-pools due to lacks of developed pools and probably higher sediment supply. General trends as wideningof bankfull channels with increase of basin area were observed in local channels. By contrast, bankfull depth was recognized as an independent variable due to its low variety. Downstream coarsening was significant for slope-channel coupled reaches only.Some certain ratio of channel width and d90 predicted interlocking of boulder steps and origin of well-developed step-pool morphology, which supported jamming theory introduced by Church and Zimmermann (2007).

Druh

D - Stať ve sborníku

CEP obor

DE - Zemský magnetismus, geodesie, geografie

OECD FORD obor

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Projekt

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Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2012

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Geomorfologický sborník 10

ISBN

978-80-260-1823-0

ISSN

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e-ISSN

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Počet stran výsledku

54

Strana od-do

8-9

Název nakladatele

Ústav struktury a mechaniky hornin AVČR, v.v.i.

Místo vydání

Sokolov

Místo konání akce

Sokolov

Datum konání akce

18. 4. 2012

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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