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Apparent Friction Coefficient Used for Flow Calculation in Straight Compound Channels With Trees On Floodplains.

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Title: Apparent Friction Coefficient Used for Flow Calculation in Straight Compound Channels With Trees On Floodplains.
Authors: Kozioł, Adam P.1 adam_koziol@sggw.edu.pl, Kiczko, Adam1, Krukowski, Marcin1, Kubrak, Elżbieta1, Kubrak, Janusz1, Majewski, Grzegorz1, Brandyk, Andrzej1
Source: Hydrology & Earth System Sciences Discussions. 3/13/2024, p1-16. 16p.
Subject Terms: *Flow coefficient, *Floodplains, *River channels, *Friction, *Surface roughness, *Elastic constants
Abstract: The interaction of water streams in channels with a complex cross-section, involving the exchange of water mass and momentum between slowly-flowing water in the floodplains and fast water in the main channel, significantly depends on the diversification of the surface roughness between the main channel and floodplains. Additionally, trees strongly increase flow resistance on floodplains, but also significantly in the main channel by intensifying the interaction process. As a result, the water velocity and the discharge capacity of both parts of the channel decrease and at the same time, affecting the flow conditions in the main channel. The results of laboratory experiments were used to determine the effect of floodplain trees on the discharge capacity of the channel with diversified roughness. The reduction in velocity of the main channel caused by the stream interactions is described with the apparent friction coefficients introduced at the boundary between the main channel and the floodplain. The values of resistance coefficients and their changes as a result of the significant influence of trees on the interaction process were determined for various roughness's of the main channel bottom. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
FullText Text:
  Availability: 0
Header DbId: enr
DbLabel: Energy & Power Source
An: 176024581
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Apparent Friction Coefficient Used for Flow Calculation in Straight Compound Channels With Trees On Floodplains.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Kozioł%2C+Adam+P%2E%22">Kozioł, Adam P.</searchLink><relatesTo>1</relatesTo><i> adam_koziol@sggw.edu.pl</i><br /><searchLink fieldCode="AR" term="%22Kiczko%2C+Adam%22">Kiczko, Adam</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Krukowski%2C+Marcin%22">Krukowski, Marcin</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Kubrak%2C+Elżbieta%22">Kubrak, Elżbieta</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Kubrak%2C+Janusz%22">Kubrak, Janusz</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Majewski%2C+Grzegorz%22">Majewski, Grzegorz</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Brandyk%2C+Andrzej%22">Brandyk, Andrzej</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Hydrology+%26+Earth+System+Sciences+Discussions%22">Hydrology & Earth System Sciences Discussions</searchLink>. 3/13/2024, p1-16. 16p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Flow+coefficient%22">Flow coefficient</searchLink><br />*<searchLink fieldCode="DE" term="%22Floodplains%22">Floodplains</searchLink><br />*<searchLink fieldCode="DE" term="%22River+channels%22">River channels</searchLink><br />*<searchLink fieldCode="DE" term="%22Friction%22">Friction</searchLink><br />*<searchLink fieldCode="DE" term="%22Surface+roughness%22">Surface roughness</searchLink><br />*<searchLink fieldCode="DE" term="%22Elastic+constants%22">Elastic constants</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The interaction of water streams in channels with a complex cross-section, involving the exchange of water mass and momentum between slowly-flowing water in the floodplains and fast water in the main channel, significantly depends on the diversification of the surface roughness between the main channel and floodplains. Additionally, trees strongly increase flow resistance on floodplains, but also significantly in the main channel by intensifying the interaction process. As a result, the water velocity and the discharge capacity of both parts of the channel decrease and at the same time, affecting the flow conditions in the main channel. The results of laboratory experiments were used to determine the effect of floodplain trees on the discharge capacity of the channel with diversified roughness. The reduction in velocity of the main channel caused by the stream interactions is described with the apparent friction coefficients introduced at the boundary between the main channel and the floodplain. The values of resistance coefficients and their changes as a result of the significant influence of trees on the interaction process were determined for various roughness's of the main channel bottom. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.5194/hess-2024-74
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
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        PageCount: 16
        StartPage: 1
    Subjects:
      – SubjectFull: Flow coefficient
        Type: general
      – SubjectFull: Floodplains
        Type: general
      – SubjectFull: River channels
        Type: general
      – SubjectFull: Friction
        Type: general
      – SubjectFull: Surface roughness
        Type: general
      – SubjectFull: Elastic constants
        Type: general
    Titles:
      – TitleFull: Apparent Friction Coefficient Used for Flow Calculation in Straight Compound Channels With Trees On Floodplains.
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            NameFull: Kozioł, Adam P.
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            NameFull: Kiczko, Adam
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            NameFull: Krukowski, Marcin
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            NameFull: Kubrak, Elżbieta
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            NameFull: Kubrak, Janusz
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            – D: 13
              M: 03
              Text: 3/13/2024
              Type: published
              Y: 2024
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