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The structure and magnitude of concentration fluctuations


This paper is concerned with the science of turbulent diffusion and not, except incidentally, with its numerous practical applications. It discusses some recent research, particularly that by the authors and their collaborators. Among the topics considered are (i) the intermittency factor, (ii) the relationship between the mean of the concentration and its variance, and (iii) the interpretation of data. The principal aim of the paper is to draw attention to some outstanding basic questions which would seem promising targets for future research. Without progress on these questions (and others), regulatory modesl of air quality will continue-inevitably-to be unreliable and hardly worth using.

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Chatwin, P.C., Sullivan, P.J. The structure and magnitude of concentration fluctuations. Boundary-Layer Meteorol 62, 269–280 (1993).

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  • Numerous Practical Application
  • Basic Question
  • Turbulent Diffusion
  • Promising Target
  • Concentration Fluctuation