IMPROVEMENT OF 2-D NUMERICAL ANALYSIS AND HYDRAULIC EXPERIMENT FOR DEPOSITION OF SAND AND POM ON VEGETATED AREA ALONG THE RIVER CHANNEL

• OBANA Makiko

  名古屋大学大学院工学研究科

• JEON Ho Seong

  Korea Institute of Civil Engineering and Building Technology

• TSUJIMOTO Tetsuro

  名古屋大学

Bibliographic Information

Other Title

• 流路側岸の植生帯による砂・POM捕捉に関する水理実験と平面二次元解析の工夫
• リュウロガワガン ノ ショクセイタイ ニ ヨル スナ ・ POM ホソク ニ カンスル スイリ ジッケン ト ヘイメン ニジゲン カイセキ ノ クフウ

Abstract

 Transport and deposition process of particulate organic matter (POM) on a sand bar is a key in river ecosystem. In vegetated area, the form drag is taken into account, but frictional resistance law is conventionally assumed to the same to flow without vegetation. This paper introduces the concept of bed roughness boundary layer in vegetated area, and based on this concept, not only the velocity distribution but also the suspended sediment concentration profile are discussed. Then, the frictional resistance law for flow in vegetated area is deduced to evaluate the frictional velocity. Furthermore, the kinematic viscosity and the diffusion coefficient of suspended sediment, and the depth-averaged concentration of suspended sediment are discussed to prepare depth-averaged 2D analysis for flow and fluvial processes in streams with vegetation.

Journal

• Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)

  Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 73 (4), I_1075-I_1080, 2017

  Japan Society of Civil Engineers

Keywords

• Lateral mixing
• suspended sediment
• POM
• vegetation
• deposition and transport

Details

• CRID: 1390001205351824384
• NII Article ID: 40021163972
• NII Article ID: 130006406144
• NII Book ID: AN10426673
• ISSN: 18808751
• ISSN: 2185467X
• ISSN: 09167374
• DOI: 10.2208/jscejhe.73.i_1075
• NDL BIB ID: 028110883
• Web Site: http://id.ndl.go.jp/bib/028110883
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I028110883
• Web Site: https://www.jstage.jst.go.jp/article/jscejhe/73/4/73_I_1075/_pdf
• Text Lang: ja
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed