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    Modelling the long-term atmospheric behaviour of pollutants on various spatial scales

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    Authors
    Jaarsveld JA van
    Type
    Report
    Language
    en
    
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    Title
    Modelling the long-term atmospheric behaviour of pollutants on various spatial scales
    Translated Title
    De modellering van het lange termijn atmosferische gedrag van vervuilende stoffen op verschillende ruimtelijke schalen
    Publiekssamenvatting
    Dit rapport beschrijft het TREND/OPS simulatiemodel waarmee de verspreiding van luchtverontreiniging kan worden berekend op lokale tot Europese schaal. De resultaten van het model worden uitgebreid vergeleken met metingen zoals uitgevoerd in het Landelijk Meetnet voor Luchtverontreiniging. Vervolgens wordt het model toegepast in een drietal studies: 1. De geografische verspreiding van zwavel- en stikstofcomponenten over Nederland en de bodembelasting door depositie van deze stoffen. 2. De invloed van meteorologische parameters op gemiddelde luchtconcentraties van zwaveldioxide in Nederland en de vroegtijdige herkenning van trends in meetreeksen. 3. De verspreiding en depositie van persistente organische verbindingen in de Europese regio. Het gebruik van het model richt zich vooral op verspreiding op langere termijn (maanden tot jaren) en op stoffen waarvan het gedrag zich met lineaire chemie goed laat beschrijven. Voor deze categorie stoffen vormt het beschreven model al enige jaren de basis van veel in Nederland uitgevoerde verspreidings- en herkomstberekeningen. Een meer gebruiksklare versie van het model is bekend onder de naam 'Operationeel Prioritaire Stoffen (OPS)' model.
    This report describes the TREND/OPS model for the simulation of the long-term dispersion of air pollution on a local to regional (Europe) scale. The results of the model are extensively compared with observations of the Dutch National Air Quality Monitoring Network and the model is applied in three application studies: 1. The geographical distribution of sulphur and nitrogen compounds over the Netherlands and the surface load due to deposition of these compounds. 2. The influence of meteorological parameters on average concentrations in the Netherlands and the early recognition of trends in time series of measured concentrations. 3. The dispersion and deposition of persistent organic pollutants in the European region. The application area of the model is long-term dispersion (single month to a period of several years) and for compounds of which behaviour can be described to a large extend using linear chemistry. For this category of compounds the model forms the basis of many dispersion calculations in the Netherlands. A more customized version of the model is known as the 'Operational Priority Substances' (OPS) model.
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    RIVM
    URI
    http://hdl.handle.net/10029/259112
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