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COST 728

Enhancing Meso-Scale Meteorological Modelling Capabilities for Air Pollution

and Dispersion Applications

2 COST Action 728 Progress ReportPirmin Kaufmann ([email protected]), Ranjeet S. Sokhi ([email protected])

COST 728 Objectives (Selection)

• Documentation of models, parameterizations, applications• Establish parameterizations which are poorly treated for air

quality and dispersion modelling• Overview of strategies for integrating meteorological models

(MetM) and chemistry transport models (CTM)• Examine ability and limitations of MetM-CTMs to predict

pollution episodes• Recommendations for developing, running and validating air

quality models• Identify main requirements for integrated modelling

capability for Europe


Warsaw Meeting – Technical tasks WG1 Parametrization Schemes • Maria Athanassiadou presented activities of WG1• The workplan was presented, it was divided into the following

tasks with leaders

• T1.1 Surface processes, Task leader Ekaterina Batchvarova (NIMH)

• T1.2 Boundary layer and turbulence, Task leader Maria Tombrou (Univ. Athens)

• T1.3 Wet processes and radiation, Task leader Maria Athanassiadou (MetOffice)

• T1.4 Applications, Task leader Ranjeet Sokhi (Univ. Hertfordshire)


Warsaw Meeting – Technical tasks WG2 Model Interfaces and unification• Alexander Baklanov presented activities of WG2• The workplan was presented, it was divided into the following

tasks with leaders

• Task 2.1, Off-line models and interfaces, Task leader Barbara Fay (DWD)

• Task 2.2 Model down-scaling and nesting, including data assimilation, Task leader Alain Clappier (EPFL Switz.), with Maria Athanassiadou (MetOffice) as task deputy leader

• Task 2.3 On-line coupled modelling systems, including feedback mechanisms, Task leader Jacek Kaminski (Univ. York), with Alexander Baklanov (DMI) deputy.

• Task 2.4. Models unification and harmonization, Task leader Valentin Foltescu (SMHI)


Warsaw Meeting – Technical tasks WG3 Model Applications• Mikhail Sofiev (FMI) presented activities of WG3• The workplan was presented, it was divided into the following

tasks

• Task 3.1. Model review, documentation, databases etc. John Duros is task leader for the population of the database (http://www.cost728.org).

• Task 3.2 Model examination• Task 3.3 Identification of limitations and potential

methodology improvements• Task 3.4 Examination of model applications, case

studies• Task 3.5 Link to climate modelling groups/link to end

users


Warsaw Meeting – Technical tasks WG4 Model Evaluation• Heinke Schlünzen (Univ. Hamburg) presented activities of WG4• The workplan was presented, it was divided into the following:

• Overview on tools and methods for model evaluation

• Datasets for model evaluation (meta-data)• Tools and methods for user training• Recommendations for evaluation guidelines,

aimed at developers• Documented framework for user training• Guidance for model results evaluation, aimed at

end users and non-experts


Swiss Contribution MeteoSwiss (with EMPA), PSI (with EPFL)• Meteorological pre-processor (interface between MetM and

CTM) to generate parameters for dispersion models from LM

• New turbulence parameterization for urban areas• Downscaling approach for dispersion-relevant parameters• Use of subgrid-scale variability of external parameters• Sensitivity of dispersion characteristics to sub-grid scale

variability• Use of shallow convection parameterization for dispersion

modelling• Testing of modelling system with real case applications• 2 PhD student positions still open!

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