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Models-3 Users’ Workshop Raleigh, North Carolina October 27-23, 2003 New Developments and Applications of Models-3 in Canada J. Wayne Boulton*, Mike Lepage, Xin Qiu, and Martin Gauthier RWDI West Inc., Guelph, Ontario, Canada Colin di Cenzo Environment Canada P&YR, Vancouver, British Columbia, Canada
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New Developments MC2 to MM5 converter Convert MC2 output for input to SMOKE & CMAQ Re-project and interpolate horizontal grids Convert vertical grid to MM5 sigma levels Map different parameters between MC2 and MM5 Parallel processor CMAQ runs on LINUX Compile CMAQ (source + libraries) to run in parallel distributed LINUX environment (with UC Riverside) Real-time AQ forecasting (MC2, SMOKE, CMAQ) Assist University of B.C. staff to setup of real-time 12-km & 4-km regional AQ forecasts for the PNW
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PNW Model Domains
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MC2 to MM5 Interpolation between projections and grid resolutions 4-km MM5 3.3-km MC2
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MC2 to MM5 Mapping Time Invariant & Time Variant param’s from MC2 to MM5
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MC2 to MM5 Conversion performance & evaluation
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Parallel CMAQ Performance CPU time elapsed (seconds), and Percent (%) time relative to a single-CPU run.
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Ozone (ppbV) PM 2.5 (µg/m 3 ) Vancouver CMAQ Model Performance
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Ozone (ppbV) PM 2.5 (µg/m 3 ) CMAQ Model Performance Chilliwack
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New Applications CMAQ runs in support of Health Canada risk assessments 75% electric vehicle fleet penetration with four electricity production scenarios GIS-based post-processing routines developed Ethanol blend fuel (E10) scenarios (ongoing) CMAQ runs in support of emission source contribution assessments from power plants Various emission / source contribution scenarios Hourly power plant emissions modelled in SMOKE Development of improved spatial surrogates and temporal profiles for SMOKE Based on traffic demand model (EMME/2) outputs
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On-Road Vehicle Surrogates & Temporal Profiles Spatial Surrogate Techniques a) Road length b) VMT (traffic demand model)
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