Meteorological conditions at the release site during the two tracer experiments

Sven-Erik Gryning, E. Batchvarova, D. Schneiter, P. Bessemoulin, H. Berger

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    The state of the boundary layer at the release site during the two tracer experiments is described, based on measurements of atmospheric turbulence carried our by a sonic anemometer, profiles of horizontal and vertical wind by a SODAR as well as frequent radiosonde releases. The boundary layer height is derived from radiosoundings, modelled and discussed. The study is meant as background for discussions of the tracer behaviour near the release site, and possible influence of the local meteorology at the release site on the long-range dispersion. The difference in the initial mese-meteorological conditions between the two experiments is discussed and some of its consequences for the dispersion of the released tracer are clarified. It is concluded that the first experiment is well suited for validation of long-range transport and dispersion models, whereas the second experiment calls for further model development. It is concluded that the micrometeorological measurements are very important as background information for the understanding of plume behaviour on small as well as long scales. (C) 1998 Elsevier Science Ltd. All rights reserved.
    Original languageEnglish
    JournalAtmospheric Environment
    Volume32
    Issue number24
    Pages (from-to)4123-4137
    ISSN1352-2310
    DOIs
    Publication statusPublished - 1998

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