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Objectives

The main objective of the Action is to develop advanced conceptual and computational frameworks to enhance significantly European capabilities in mesoscale meteorological modelling for air pollution and dispersion applications. This will be achieved through the following specific objectives:

1. To extend existing model databases with detailed documentation of physical parametrizations, models, applications and evaluation procedures.

2. To conduct a comprehensive compilation and review of existing methodologies, tools and datasets for mesoscale meteorological model validation approaches and studies.

3. To classify mesoscale modelling applications in air quality and dispersion with respect to important physical processes and to identify priorities for general and specific applications in this field.

4. To establish areas of parametrization which are poorly treated in relation to requirements for air pollution and dispersion applications.

5. To conduct an overview of existing module structures and identify the advantages and disadvantages of different strategies for integrating MetM and CTMs.

6. To formulate requirements for mesoscale MetMs as input to air pollution models and for model interfaces capable of coupling MetM results to CTMs.

7. To identify and make recommendations on the data requirements for developing, running (including data assimilation) and validating meso-scale models for various air quality and dispersion applications.

8. To examine the ability and the limitations of MetM-CTMs to adequately predict air pollution episodes such as during stagnant and low wind conditions and for a range of orographic situations.

9. To identify improvements in MetM-CTMs for air pollution and emergency forecasting purposes.

10. To examine and document operational procedures and protocols for employing MetM-CTMs for assessing real-world air pollution and dispersion problems including model configuration and initial/boundary conditions.

11. To derive and recommend validation procedures for mesoscale meteorological models for pollution transport and development of protocols for model quality assurance based on scientific and fundamental principles.

12. To identify the main requirements for an integrated mesoscale modelling capability/strategy for Europe.

13. To increase accessibility of mesoscale models and related information using a web portal and other dissemination strategies.

14. To produce guidance and recommendations for using mesoscale models for air pollution and other dispersion applications for the benefit of users.

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