1. DEA - Università degli Studi di Brescia TCAM model configuration for POMI simulations C. Carnevale, G. Finzi, E. Pisoni, M. Volta Dipartimento di Elettronica per lAutomazione Università degli Studi di Brescia

2. DEA - Università degli Studi di Brescia Land use Topography MM5 output PROMETEO TCAM Chimere output BOUNDY Boundary and Initial condition 3D concentration fields POEM-PM Emission inventories Emission Fields 3D wind and temperature fields Turbolence and Boundary Layer parameters VOC speciation Profiles Temporal Profiles System Evaluation Tool GAMES: Gas Aerosol Modelling Evaluation System PM size and chemical speciation Profiles

3. DEA - Università degli Studi di Brescia Meteorological data pre-processing PROMETEO Grid projection Grid rescaling Turbolence parameters

4. DEA - Università degli Studi di Brescia Emission data pre-processing POEM-PM Temporal Modulation VOC speciation VOC lumping PM10 speciation

5. DEA - Università degli Studi di Brescia Boundary Condition data pre-processing Boundy TCAM-grid boundary extraction (Temporal interpolation) Gas chemical mechanisms linking Aerosol chemical and size classes linking

6. DEA - Università degli Studi di Brescia Eulerian 3D model Terrain-following coordinate system Horizontal Transport Module: Chapeau Function + Forester Filter Vertical Transport Module: Crank-Nicholson hybrid solver based on the vertical diffusivity coefficient Deposition Module –Dry deposition: resistance-based approach –Wet deposition: scavenging approach for both gas and aerosol species TCAM: Transport and Depostion Module

7. DEA - Università degli Studi di Brescia Chemical Mechanism –CBIV 90 –SAPRC 90/97 –COCOH 97 Numerical Solver –QSSA (explicit) –IEH (hybrid) Species: 95 Reactions: 187 Fast-Species (12): LSODE (implicit) Slow-Species: Adams-Bashforth (explicit) TCAM: Gas chemical module

8. DEA - Università degli Studi di Brescia Chemical Species: 21 –12 inorganics –9 organics Size Classes: <10 (from 0.01 m to 50 m) –Fixed moving approach Involved Phenomena: –Condensation/Evaporation –Nucleation –SO 2 aqueus chemistry Shell Core TCAM: Aerosol module

9. DEA - Università degli Studi di Brescia TCAM configuration overview Grid resolution: –D1: 5x5km2 (?) or 10x10km2 –D2: 2.5x2.5km2 (?) or 5x5km2 Vertical resolution –First level: 20 mt (top) –Last level: 4000 mt a.g.l. (top) Chemistry –Gas: COCOH97 - 95 species, 187 reactions, LSODE) –Aerosol: 21 species, 10 (?) size classes, SCAPE2