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The temporal and spatial evolution of the convective boundary-layer has a strong effect on air pollutant dispersion, especially under inhomogeneous conditions with varying orography and/or land use. During the TRACT experiment the evolution of boundary-layer height in space and time was measured by radiosondes and aircraft during three special observation periods (SOPs). The observations show that...
Measurements are presented of the development of the convective boundary layer in the transition zone from the Upper Rhine valley to the Northern Black Forest during one special observation period of the TRACT campaign conducted in September 1992. The data used in this study were obtained from airborne instruments as well as from ground-based stations. The analysed boundary layer structure shows a...
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