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Bottom boundary layer processes are key for sediment transport. To estimate bed shear stresses, wave friction factors are often used. Experimental data on wave friction factors are limited to sandy environments. Here, numerical simulations conducted with a 1D model show that for hydraulically rough beds with presence of vegetation, wave friction factors deviate from existing data.

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Bottom Boundary Layer Dynamics Above Rough, Vegetated Beds

  • 会议论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年

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  • Drude Fritzbøger Christensen,
  • Sina Saremi,
  • Aart Kroon,
  • Niels Gjøl Jacobsen

摘要

Bottom boundary layer processes are key for sediment transport. To estimate bed shear stresses, wave friction factors are often used. Experimental data on wave friction factors are limited to sandy environments. Here, numerical simulations conducted with a 1D model show that for hydraulically rough beds with presence of vegetation, wave friction factors deviate from existing data.