Modelling internal boundary-layer development in a region with a complex coastline

E. Batchvarova, X. Cai, Sven-Erik Gryning, D. Steyn

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    The purpose of this paper is to test the ability of two quite different models to simulate the combined spatial and temporal variability of the internal boundary layer in an area of complex terrain and coastline during one day. The simple applied slab model of Gryning and Batchvarova, and the Colorado State University Regional Atmospheric Modelling System (CSU-RAMS) are tested by comparison with data gathered during a field study (called Pacific '93) of photochemical pollution in the Lower Fraser Valley of British Columbia, Canada. The data utilised here are drawn from tethered balloon flights, free flying balloon ascents, and downlooking lidar operated from an aircraft flown at roughly 3500 m above sea level. Both models are found to represent the temporal and spatial development of the internal boundary-layer depth over the Lower Fraser Valley very well, and reproduce many of the finer details revealed by the measurements.
    Original languageEnglish
    JournalBoundary-Layer Meteorology
    Volume90
    Issue number1
    Pages (from-to)1-20
    ISSN0006-8314
    DOIs
    Publication statusPublished - 1999

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