Hydrodynamics of aquatic ecosystems: spatial-averaging perspective

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Abstract

Hydrodynamics of aquatic ecosystems is a relatively new, emerging multidisciplinary research area dealing with two key inter-connected issues: (i) physical interactions between flow and organisms (e.g., due to drag forces); and (ii) ecologically relevant mass-transfer-uptake processes (e.g., due to molecular and turbulent diffusion). Owing to physical and biological complexity of boundary conditions in aquatic systems, the conventional hydraulic methodologies are often impracticable and new approaches are required. One of such approaches, the double-averaging methodology, is discussed with particular focus on flows over biologically-modified beds.
Original languageEnglish
Pages (from-to)3-10
Number of pages8
JournalActa Geophysica
Volume55
Issue number1
DOIs
Publication statusPublished - Mar 2007

Keywords

  • ecosystems
  • flow-biota interactions
  • rough-bed flows
  • mass-transfer
  • periphyton
  • open-channel flow
  • stream periphyton
  • model
  • turbulence

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