Pressure and velocity fluctuations in the atmospheric boundary layer

Mark Sterling, Christopher Baker, Andrew Quinn, R Hoxey

Research output: Contribution to journalArticle

6 Citations (Scopus)


This paper presents an analysis of wind velocity and pressure data obtained in a rural environment with a view to identifying the vortex structures present within the flow and examining the relationship between pressure and dynamic pressure. The data is analysed using both conventional analysis and conditional sampling. A method examining the eigenvalues of a matrix formed by the addition of the square of the strain tensor and the square of the vorticity tensor is also investigated. This method illustrates that there are a number of vortex structures present in the flow. The work presented in this paper suggests that the extreme events occur as a result of the superposition of two independent mechanisms.
Original languageEnglish
Pages (from-to)13-34
Number of pages22
JournalWind and Structures
Issue number1
Publication statusPublished - 1 Jan 2005


  • vortex
  • vorticity
  • conditional sampling
  • pressure fluctuations
  • flow structures


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