Title: Screening of the EMEP source receptor relationships: application to five European countries
Citation: AIR QUALITY ATMOSPHERE AND HEALTH vol. 10 no. 4 p. 497-507
Publication Year: 2017
JRC N°: JRC103264
ISSN: 1873-9318
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC103264
DOI: 10.1007/s11869-016-0443-y
Type: Articles in periodicals and books
Abstract: In this work, a methodology based on the calculation of potencies and potentials is used to screen modelled emission reduction scenarios performed with the European Monitoring and Evaluation Programme/Meteorological Synthesizing Centre-West (EMEP/MSC-W) air quality model. Specific indicators are proposed to look at the results in terms of model processes (potencies) as well as in terms of their impacts on policy (potentials). A specific template to screen the results is also developed and applied. The EMEP/MSC-W model results obtained for 5 EU countries for 5 precursors and 2 levels of emission reductions (15 and 40 %) are analyzed with the following purposes: (i) build confidence in the processes implemented in the model, (ii) identify potential for national abatement versus transboundary transport, (iii) assess the relative importance of various precursor emissions, and (iv) estimate the importance of non-linearity with respect to the level of emission reduction chosen and among the precursor emissions. The proposed methodology proves to be very useful for comparing the responses across countries and precursors in a uniform way. The results confirm our knowledge in terms of processes implemented in the EMEP/MSC-W model. The validity of the linear assumption made during the derivation of the EMEP-based source receptor relationships is generally valid although minor non-linearities with respect to NH3 (all countries) and NOx (in Italy) are observed. Because no true reference can be used to assess the quality of the model results in scenario mode, it is important to consider this screening as a benchmark to which other models or updated versions of the EMEP/MSC-W model can be compared to in the future.
JRC Directorate:Energy, Transport and Climate

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