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www.nonlin-processes-geophys.net/13/119/2006/
doi:10.5194/npg-13-119-2006
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On the dependence of third- and fourth-order moments on stability in the turbulent boundary layer
Institute of Atmospheric Sciences and Climate via Gobetti 101,I-40129 Bologna, Italy
Abstract. Analysis of published data on the third- and fourth-order moments of vertical velocity in the atmospheric boundary layer is performed, and it is shown that turbulence is non-Gaussian even when almost symmetric. It is also proposed that the relationship between third- and fourth-order moments depends on stability. New data from a wind tunnel experiment roughly support this hypothesis. The analysis presented can explain some differences among datasets, and provides a starting point for investigation on the dependence of third- and fourth-order moments on stability.
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Citation: Maurizi, A.: On the dependence of third- and fourth-order moments on stability in the turbulent boundary layer, Nonlin. Processes Geophys., 13, 119-123, doi:10.5194/npg-13-119-2006, 2006. Bibtex EndNote Reference Manager XML
