In search of a gust definition

L. Kristensen, M. Casanova, M.S. Courtney, I. Troen

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    We propose a simple gust definition based on the theory of excursions by Rice (1944 and 1945). We discuss the relation to the distribution of extreme events and demonstrate theoretically and experimentally that the most probable extreme event is very close to being identical to the gust according to our definition. We demonstrate how it is possible to predict the gust on the basis of the measured mean wind and variance rather than rely on actually measured extreme excursions. Our gust definition also allows us to predict the average duration of a gust.
    Original languageEnglish
    JournalBoundary-Layer Meteorology
    Issue number1-2
    Pages (from-to)91-107
    Publication statusPublished - 1991


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