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A parameterization of the nocturnal ozone reduction in the residual layer by verticla downward mixing during summer smog situations using sodar data

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Abstract

The reduction of ozone in the nocturnal residual layer by vertical mixing to the surface was investigated for several summer smog episodes on the Swiss plateau in the years 1990 and 1991. Using a limited data set of SODAR measurements and surface ozone concentrations, a parameterization of the ozone depletion in the nocturnal residual layer due to vertical mixing to the ground is proposed. This model is not intended to be physically complete but is rather simple with limited input information required. The nocturnal ozone reduction within the whole planetary boundary layer (nocturnal boundary layer plus residual layer) over the complex terrain of the Swiss plateau for the days investigated is between 20 and 50%.

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Neu, U. A parameterization of the nocturnal ozone reduction in the residual layer by verticla downward mixing during summer smog situations using sodar data. Boundary-Layer Meteorol 73, 189–193 (1995). https://doi.org/10.1007/BF00708937

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  • DOI: https://doi.org/10.1007/BF00708937

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