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Calculation of long-term averaged and episodic oxidant concentrations for the Netherlands


, : Calculation of long-term averaged and episodic oxidant concentrations for the Netherlands. Atmospheric Environment A, General Topics 25(9): 1809-1818

Ground-level ozone and oxidant (sum of O3 and NO2) concentrations in The Netherlands are calculated during the growing season (May-September) by means of a Lagrangian long-range transport model. Two air parcels-one representative of the mixed layer, the other representative of the polluted layer above the mixed layer (aged smog layer)-are followed along 96 h back trajectories. Long-term averaged and 98 percentile values of hourly averaged concentrations are estimated on the basis of concentrations calculated for four arrival times per day for all days in the period considered.

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Accession: 002042003

DOI: 10.1016/0960-1686(91)90265-9

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