Interpretation of SO2 dry deposition measurements made in Portugal and Spain within the framework of SREMP
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Authors
Erisman JWType
OnderzoeksrapportLanguage
en
Metadata
Show full item recordTitle
Interpretation of SO2 dry deposition measurements made in Portugal and Spain within the framework of SREMPTranslated Title
Interpretatie van droge depositiemetingen uit Portugal en Spanje uitgevoerd in het kader van het projekt SREMPPubliekssamenvatting
Het RIVM heeft deelgenomen aan het internationale project SREMP (Surface Resistance Emergency Measurement Program), tezamen met de Universiteit van Aveiro, Portugal ; de Universiteit Politecnica uit Madrid, Spanje ; de Universiteit Paul Sabatier de Toulouse, Frankrijk ; Joint Research Center, Italie ; Institute of Terrestrial Ecology, UK ; ECN and TNO. Het doel van dit projekt was de meting en parametrisatie van droge depositie/emissie fluxen van ozon en zwaveldioxide in condities en boven ecosystemen die prevaleren in Zuid-Europa ten behoeve van de validatie van bestaande depositiemodellen. De rol van het RIVM was adviseren bij de meetstrategie en de te gebruiken apparatuur ; de interpretatie van SO2 depositiemetingen, en het testen van bestaande depositieparametrisaties. Deze eindrapportage beschrijft de interpretatie van de SO2 metingen en het resultaat van het testen van de bij het RIVM ontwikkelde oppervlakteweerstandmodellen voor SO2.RIVM participated in the joint project SREMP (Surface Resistance Emergency Measurement Program), financed by the European Commission DG XII (50%). The main tasks of RIVM was to help determine measuring strategy and select equipment. Furthermore, interpretation of data and evaluation of parametrisations of the SO2 deposition processes used in models for generalisation of deposition over Europe (EDACS) was aimed. There is a serious lack of deposition measurements in southern European conditions. This report describes the interpretation of data measured at the coast in Portugal. The measurements made near Madrid were found to be inconsistent. These have to be checked on quality and consistency ; a proper analysis can be made. The results of this study show that the parametrisation of the deposition of SO2 is valid for the conditions and ecosystem at the Baixo Vouga site in Portugal. It is, however, questionable if the selected site is representative for southern European ecosystems or conditions, where the current uncertainty in deposition modelling is largest
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