Status of SATURN Activities in 1998

The table below links the activities to Principal Investigators and the SATURN Main Groups.

Subsequently, the individual activities are listed in numerical order. Where available, graphics are provided.

All information in the activities is contained in a compressed ZIP file (ca. 8MB).

NOTE: The graphics and the compressed zip file are password-protected. Send mail to liana@aix.meng.auth.gr, to receive a personal password.


Overview


List of Actions

  1. Development of the CFD* model (CHENSI) and study of convection within streets.

  2.  
  3. Development of a CFD model of flows within streets with development of improved non-isotropic turbulence models.

  4.  
  5. Development of a model to account for the turbulence and dispersion induced by vehicles, and implementation into a CFD code.

  6. (with the graphics)
     
  7. Development of the microscale model MIMO and interfacing of MIMO and the general-purpose CFD code CFX-TASCFlow with the urban scale model within ZEUS.

  8. (with the graphics)
     
  9. Development of modelling tools to describe air pollution from traffic in Copenhagen in urban streets and background.

  10.  
  11. Development of fast numerical methods for obstacle resolving models.

  12.  
  13. Development of a model for street canyon intersections using the general-purpose engineering CFD software package StarCD.

  14.  
  15. Improvement of regulatory type models by consideration of such processes as the impact of anthropogenic heat flux and the interaction with the upstream boundary layer structure.

  16.  
  17. French communal model system SUBMESO based on the ARPS model and the MOCA chemistry; original urban soil, terrain and turbulence sub-models especially designed for sub-mesoscale simulations.

  18.  
  19. Development and improvement of a 3D mesoscale model, introduction of variable grids, and subgrid turbulence parametrizations adapted for urban areas.

  20.  
  21. ZEUS model system based on the EZM system; coupled treatment of wind flow and pollutant dispersion (either full 3-D or, for smog warning purposes, multi-layer approach).

  22. (with the graphics)
     
  23. Development of a boundary layer model coupled with a mesoscale model.

  24.  
  25. Development of the canopy model MITRAS in connection with the mesoscale model METRAS.

  26.  
  27. Diffusion and subgrid scale models in GRAMM.

  28.  
  29. Non-local turbulence schemes and parameterisations of point source schemes in EZM (MEMO/MARS).

  30.  
  31. Subgrid scale chemistry and dispersion modelling with emphasis on the point source representation in grid simulations.

  32.  
  33. Use of models developed for different distance scales (from the microscale situation within a street to city scale and beyond) to indicate the relative contributions to pollutant concentrations from different sources in different spatial zones.

  34.  
  35. “Top-down / bottom-up” model cascade strategy: Boundary conditions for each scale to be derived from the next higher scale (top-down), pollutant fluxes transduced to the next higher scale (bottom-up); advanced turbulence models including non-local schemes.

  36. (with the graphics)
     
  37. Development of turbulence parameterisations for the urban canopy model MITRAS.

  38.  
  39. Development of chemical transformation mechanisms to be used in models of urban areas and urban plumes.

  40.  
  41. Particle dynamics and transformations, especially in the early stages.

  42.  
  43. Modelling fine particle evolution.

  44.  
  45. Modelling particles and nitrogen oxides in urban environments and analysis of air quality episodes.

  46. (with the graphics)
     
  47. Condensation and heterogeneous chemistry in ZEUS.

  48. (with the graphics)
     
  49. Inclusion of aerosol, cloud and radiation modules in a photochemical model and application to Milano and Berlin.

  50.  
  51. -

  52.  
  53. Development of a microscale gas phase chemistry mechanism.

  54. (with the graphics)
     
  55. Development of formalised procedures for validating regulatory type urban air pollution models.

  56.  
  57. Development and application of evaluation procedures for mesoscale and microscale models.

  58.  
  59. Formulation of validation criteria for urban scale models.

  60.  
  61. Development of an adequate evaluation strategy for microscale dispersion models, focus on obstacle resolving models.

  62.  
  63. Validation concept for building-resolving models, particularly at street canyon intersections, using wind tunnel and CFD.

  64.  
  65. Specifications for pollutant concentrations measured in the field.

  66.  
  67. Specifications for heat flux measurements.

  68.  
  69. Specifications for data on atmospheric stability.

  70. (with the graphics)
     
  71. Mapping roughness length in urban and suburban areas.

  72.  
  73. Specifications for emission inventories as input to air pollution models.

  74.  
  75. Barcelona emission inventory.

  76.  
  77. Lisbon emission inventory.

  78. (with the graphics)
     
  79. Milan and Lombardia emission inventories.

  80. (with the graphics)
     
  81. St. Petersburg emission inventory.

  82.  
  83. Oslo emission inventory.

  84.  
  85. Athens emission inventory.

  86. (with the graphics)
     
  87. Antwerp-Brussels-Gent emission inventory.

  88. (with the graphics)
     
  89. Graz emission inventory.

  90.  
  91. Model validation exercise based on Graz data.

  92.  
  93. Model validation exercise based on Lisbon data.

  94. (with the graphics)
     
  95. Model validation exercise based on Milan and Lombardia data.

  96. (with the graphics)
     
  97. Model validation exercise based on St. Petersburg data.

  98.  
  99. Model intercomparison for idealised situations.

  100.  
  101. Model validation exercise based on Oslo data.

  102.  
  103. Model validation exercise based on Athens data.

  104. (with the graphics)
     
  105. Model validation exercise based on Antwerp-Brussels-Gent data

  106.  
  107. Inter-comparison of roadside air quality models.

  108.  
  109. Field experiments in support of local scale air pollution model development.

  110. (with the graphics)
     
  111. Urban and local scale measurements of particles and VOCs.

  112.  
  113. Measurements of pollutant concentrations for characterising the air mass above the city.

  114.  
  115. Street canyon measurements and model computations.

  116. (with the graphics)
     
  117. Emission factor estimates by field measurements; assessment of the contri-bution of various sources to the VOC distribution and analysis of the photochemical VOC oxidation.

  118. (with the graphics)
     
  119. Development and improvement of LIDAR in situ measurements and associated laboratory activities.

  120.  
  121. Field experiments in support of urban scale air pollution model development.

  122.  
  123. Graz campaign (Central Europe)‡.

  124.  
  125. St. Petersburg campaign (Northern/Eastern Europe)‡.

  126.  
  127. Lisbon campaign (Western Europe)

  128. (with the graphics)
     
  129. Milano campaign (Southern Europe)‡.

  130. (with the graphics)
     
  131. Generation of wind tunnel datasets of flow and tracer concentrations at street canyon intersections.

  132.  
  133. Generation of data from wind tunnel experiments suitable to support model evaluation.

  134.  
  135. Collection of data on the composition and size of particles in Budapest; this data will form the basis for source apportionment using receptor models.

  136.  
  137. Fundamental aerosol studies: determination of particle dynamics in the early stages of emission and creation, laboratory and field measurements on aerosol transport and formation and investigation of the aerosol restructuring process; generation of useful data for para-meterising particle formation and deposition.

  138.  
  139. Atmospheric physico-chemical processes in urban environments.

  140. (with the graphics)
     
  141. Development of a warning system for high photosmog pollution and exposure assessment using a time series model.

  142. (with the graphics)
     
  143. Information system based on a combination of concentration measurements and dispersion calculations.

  144.  
  145. Development of a management support system for the investigation and forecasting of urban air pollution levels based on novel model approaches and up-to-date meteorological and air quality measurements.

  146. (with the graphics)
     
  147. Derivation of initial and monitoring data for model simulations from the Internet and RDS/TMS networks.

  148.  
  149. -

  150.  
  151. Development of an integrated air quality management system for coastal urban areas.

  152. (with the graphics)
     
  153. Integration of modelling advances in an improved version of an air quality management system.

  154.  
  155. Integrated modelling system for air quality policy analyses.

  156. (with the graphics)
     
  157. Development of an integrated toolbox of methods for estimating emissions from small sources and for calculating microscale dispersion near these sources.

  158.  
  159. Integration of models for emissions, dispersion, chemical reactions and deposition to a versatile surveillance system.

  160.  
  161. Air pollution episode forecasting based on cluster analysis.

  162. (with the graphics)
     
  163. Development of an integrated and operational environmental forecasting model in metropoli-tan areas.

  164.  
  165. Time series analysis to assess the health effects of meteorological and air pollution factors.

  166. (with the graphics)
     
  167. Development of an efficient method for exposure pattern calculations.

  168.  
  169. Assessment of personal and population exposure to urban air pollution, especially particulates and diesel emissions.

  170.  
  171. Development of a population exposure model and its testing against experimental results.

  172. * Computational Fluid Dynamics