Abstract
Aircraft measurements of the air pollutants SO2 and sulfate (SOx is defined as SO2 plus sulfate), plus data on wind velocity, wind direction and depth of the planetary boundary layer, enable the calculation of transboundary mass fluxes of SOx. When emission data are available, an emission-deposition balance of SOx can be determined. The results of a measurement flight, carried out on 12 February, 1986, are presented. Two tracks were flown, along the eastern and along the western border of the Netherlands, respectively. The wind was easterly. The calculated deposition flux of SOx is converted to an area-averaged dry deposition velocity (ν d ). The result, ν d = 1.2 × 10−2 m s−1, seems to be in good agreement with literature data.
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Lelieveld, J. The calculation of transboundary and deposition fluxes of SO2 and sulfate by means of aircraft measurements. Water Air Soil Pollut 38, 199–209 (1988). https://doi.org/10.1007/BF00279598
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DOI: https://doi.org/10.1007/BF00279598