COST 728

1
COST 728

• Enhancing Meso-Scale Meteorological Modelling
  Capabilities for Air Pollution and Dispersion
  Applications

2
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

3
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)

4
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)

5
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

6
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

7
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!