| Preface | 6 |
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| The Members of the Scientific Committee for the 27th NATO/CCMS International Technical Meetings on Air Pollution Modeling and Its Application | 8 |
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| History of NATO/CCMS Air Pollution Pilot Studies | 9 |
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| Contents | 11 |
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| Role of Atmospheric Models in Air Pollution Policy and Abatement Strategies | 20 |
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| A Photochemical Screening Tool Based on a Scale Analysis of Ozone Photochemistry | 21 |
| Modeling and Analysis of Ozone and Nitrogen Oxides in the Southeast United States National Parks | 31 |
| An Investigation of Local Anthropogenic Effects on Photochemical Air Pollution in Istanbul with Model Study | 38 |
| Forecasting Urban Meteorology, Air Pollution and Population Exposure ( European FUMAPEX Project) | 47 |
| Models-3/CMAQ Simulations to Estimate Transboundary Influences on Ozone and Particulate Matter Concentrations Over Ontario in Spring Ò Summer 1998 | 59 |
| Cost-Optimized Air Pollution Control Using High- Order Sensitivity Analysis | 66 |
| Seasonal Evaluation of EU Road Traffic Emission Abatement Strategies on Photochemical Pollution in Northern Italy | 77 |
| Risk Based Approaches to Assessing the Environmental Burden of Acid Gas Emissions | 86 |
| Assessment of Different Land use Development Scenarios in Terms of Traffic Flows and Associated Air Quality | 95 |
| Concentrations of Toxic Air Pollutants in the U. S. Simulated by an Air Quality Model | 105 |
| A Numerical Study of Recirculation Processes in the Lower Fraser Valley ( British Columbia, Canada) | 115 |
| A Preliminary Estimate of the Total Impact of Ozone and PM2.5 Air Pollution on Premature Mortalities in the United States | 120 |
| Application of a Comprehensive Acid Deposition Model in Support of Acid Rain Abatement in Canada | 127 |
| Modeling Source-Receptor Relationships and Health Impacts of Air Pollution in the United States | 137 |
| Integrated Regional Modeling | 145 |
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| Evaluation of Local Ozone Production of Chamonix Valley ( France) During a Regional Smog Episode | 146 |
| Alternative Approaches to Diagnosing Ozone Production Regime | 157 |
| Analysis of Seasonal Changes of Atmospheric Aerosols on Different Scales in Europe Using Sequentially Nested Simulations | 166 |
| Interaction Between Meteorological and Dispersion Models at Different Scales | 175 |
| Modeling Photochemical Pollution in the Northeastern Iberian Peninsula | 184 |
| Modeling the Weekend Effect in the Northeastern Iberian Peninsula | 194 |
| Transport and Deposition Patterns of Ozone and Aerosols in the Mediterranean Region | 204 |
| On the Formulation and Implementation of Urban Boundary Conditions for Regional Models | 214 |
| Computational Model for Transient Pollutants Dispersion in City Intersection and Comparison with Measurements | 224 |
| Effects of Climate Change on Air Quality | 232 |
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| Air Quality in Future Decades Ò Determining the Relative Impacts of Changes in Climate, Emissions, Global Atmospheric Composition, and Regional Land Use | 233 |
| Calculated Feedback Effects of Climate Change Caused by Anthropogenic Aerosols | 243 |
| Dimethyl Sulphide (DMS) and its Oxidation to Sulphur Dioxide Downwind of an Ocean Iron Fertilization Study, SERIES: A Model for DMS Flux | 253 |
| Aerosols as Atmospheric Contaminants | 261 |
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| Aerosol Modelling with CAMX4 and PMCAMX: A Comparison Study | 262 |
| Source Apportionment of Primary Carbonaceous Aerosol Using the Community Multiscale Air Quality Model | 272 |
| Urban Population Exposure to Particulate Air Pollution Induced by Road Transport | 282 |
| Numerical Simulation of Air Concentration and Deposition of Particulate Metals Emitted from a Copper Smelter and a Coal Fired Power Plant During the 2000 Field Experiments on Characterization of Anthropogenic Plumes | 292 |
| Aerosol Production in the Marine Boundary Layer Due to Emissions from DMS: Study Based on Theoretical Scenarios Guided by Field Campaign Data | 301 |
| Modelling the Atmospheric Transport and Environmental Fate of Persistent Organic Pollutants in the Northern Hemisphere using a 3- D Dynamical Model | 310 |
| PM-Measurement Campaign HOVERT: Transport Analysis of Aerosol Components by use of the CTM REMÒ CALGRID | 318 |
| Direct Radiative Forcing due to Anthropogenic Aerosols in East Asia During 21- 25 April 2001 | 327 |
| Modelling Fine Aerosol and Black Carbon over Europe to Address Health and Climate Effects | 336 |
| An Approach to Simulation of Long- Range Atmospheric Transport of Natural Allergens: An Example of Birch Pollen | 346 |
| Cloud Chemistry Modeling: Parcel and 3D Simulations | 355 |
| A Test of Thermodynamic Equilibrium Models and 3- D Air Quality Models for Predictions of Aerosol NO-3 | 366 |
| New Developments | 376 |
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| Comparison of Aggregated and Measured Turbulent Fluxes in an Urban Area | 377 |
| Ensemble Dispersion Modeling: Ï All For One, One For All!Ó | 385 |
| Linking the ETA Model with the Community Multiscale Air Quality ( CMAQ) Modeling System: Ozone Boundary Conditions | 393 |
| Mixing in Very Stable Conditions | 405 |
| Air Quality Ensemble Forecast Over the Lower Fraser Valley, British Columbia | 413 |
| Developments and Results from a Global Multiscale Air Quality Model ( GEM- AQ) | 417 |
| A Variable Time-Step Algorithm for Air Quality Models | 425 |
| Temporal Signatures of Observations and Model Outputs: Do Time Series Decomposition Methods Capture Relevant Time Scales? | 435 |
| Wind Tunnel Study of the Exchange Between a Street Canyon and the External Flow | 444 |
| An Example of Application of Data Assimilation Technique and Adjoint Modelling to an Inverse Dispersion Problem Based on the ETEX Experiment | 452 |
| Micro-Swift-Spray (MSS): A New Modelling System for the Simulation of Dispersion at Microscale. General Description and Validation | 463 |
| New Developments on RAMS-Hg Model | 473 |
| Adaptation of Analytic Diffusivity Formulations to Eulerian Grid Model Layers of Finite Thickness | 482 |
| Particulate Matter Source Apportionment Technology ( PSAT) in the CAMx Photochemical Grid Model | 492 |
| Model Assessment and Verification | 507 |
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| Testing Physics and Chemistry Sensitivities in the U. S. EPA Community Multiscale Air Quality Modeling System ( CMAQ) | 508 |
| Real-Time Regional Air Quality Modelling in Support of the ICARTT 2004 Campaign | 518 |
| High Time-Resolved Comparisons for In- Depth Probing of CMAQ Fine- Particle and Gas Predictions | 528 |
| Sensitivity Analysis of the EUROS Model for the 2003 Summer Smog Episode in Belgium | 538 |
| A Performance Evaluation of the 2004 Release of Models- 3 CMAQ | 547 |
| Objective Reduction of the Space-Time Domain Dimensionality for Evaluating Model Performance | 556 |
| Cloud Processing of Gases and Aerosols in a Regional Air Quality Model ( AURAMS): Evaluation Against Aircraft Data | 566 |
| Evaluation of an Annual Simulation of Ozone and Fine Particulate Matter over the Continental United States Ò Which Temporal Features are Captured? | 575 |
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