INTERNATIONAL

 

AEROSOL

MODELING

ALGORITHMS

 

 

December 5-7 2007 * The ARC - UC Davis

 

SPONSORED BY

The Air Quality Research Center, University of California Davis

The California Air Resources Board

EPRI

 

WEDNESDAY, DECEMBER 5th

 

7:00- 8:00

CONTINENTAL BREAKFAST

 

The ARC Ballroom Foyer

 

 

7:30 - 12:00

REGISTRATION

 

The ARC Ballroom Foyer

 

 

8:00 - 8:15

Welcome and Introduction

 

The ARC

 

Anthony Wexler, University of California, Davis

 

Ajith Kaduwala, California Air Resources Board

 

 

8:15 - 9:00

KEYNOTE PRESENTATION

 

Frank Binkowski, University of North Carolina - Chapel Hill

 

Modeling Aerosols for Regional Scale Environmental Applications

 

 

 

 

______________________________________________________________________________________________________________________________________________________________________________

 

9:00 - 10:00

SESSION I - A

SESSION I - B

 

N2O5 + NO3 Experiments and Measurement

Thermodynamics - Inorganic/Water Content

 

Chairs: Donald Dabdub, University of California Irvine

Chairs: Anthony Wexler, University of California Davis

 

Nicole Riemer, Stony Brook University

Simon Clegg, University of East Anglia

 

 

 

 

Insights into the Rate of N2O5 Hydrolysis from its Direct Atmospheric Observation in MOSAIC

An Efficient and Accurate Aerosol Thermodynamics Module

 

Steven Brown, University of Colorado Boulder

Rahul Zaveri, Pacific Northwest National Laboratory

 

 

 

 

The NO3 Radical and the Chemistry of Organic Nitrate Aerosol

Microphysical Consistent Modeling of the Deliquescence and Efflorescence Hysteresis (UHAERO)

 

Ronald Cohen, University of California Berkeley

Jiwen He, University of Houston

 

 

 

 

Chemistry of Nitrogen Species in the Nocturnal Urban Boundary Layer: Insights from Field Observations and Simple Module Calculations

Modeling and Computation of Thermodynamics and Dynamics of Organic Aerosol Particles

 

Jochen Stutz, University of California Los Angeles

Alexandre Caboussat, University of Houston

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10:00 - 10:30 BREAK

 

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10:30 - 12:00

SESSION II - A

SESSION II - B

 

N2O5 + NO3 - Modeling

Thermodynamics - Inorganics CONTINUED

 

Chairs: Donald Dabdub, University of California Irvine and Simon Clegg, University of East Anglia

Chairs: Anthony Wexler, University of California Davis and Nicole Riemer, Stony Brook University

 

 

 

 

Modeling and Numerical Issues Related to N2O5 Dynamics

Quick, Dirty and Cheap Inorganic Aerosol Thermodynamics

 

Donald Dabdub, University of California Irvine

 K. Max Zhang, Cornell University

 

 

 

 

The Heterogeneous Hydrolysis of N2O5: Chemistry Versus Meteorology

Aerosol Thermodynamics of Potassium Salts and Water Content Near the Eutectic

 

Nicole Riemer, Stony Brook University

James Kelly, Environmental Protection Agency

 

 

 

 

A Comprehensive Parametrization of the Heterogeneous Reaction Probability of N2O5 on Particles Containing Ammonium, Sulfate, and Nitrate

Estimation of Gas/Particle Partitioning in Systems Containing Multiple Inorganic and Organic Compounds: The Extended Aerosol Inorganics Model

 

Prakash Bhave, National Oceanic and Atmospheric Administration

Simon Clegg, University of East Anglia

 

 

 

 

A New Aerosol Model for Analyzing the Effects of Heterogeneous Reactions on Atmospheric Chemistry

Overview of the ISORROPIA Thermodynamic Model

 

Chao Wei, University of Iowa

Athanasios Nenes, Georgia Tech

_________________________________________________________________________________________________________________________________________________________________________________

 

12:00 - 1:30 BUFFET LUNCH - , Meeting Rooms 1&2, and the Lounge

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1:30 - 3:00

SESSION III - A

SESSION III - B

 

Cloud/Fog Processing

Thermodynamics - Organics

 

Chairs: Eladio Knipping, EPRI and Thanos Nenes, Georgia Tech

Chairs: Anthony Wexler, UC Davis and Simon Clegg, University of East Anglia

 

 

 

 

Constraining the Effect of Aerosol Composition on Cloud Formation

Basis Set Gestalt: What is the Gunk Anyway, and Can Surrogate Represent Gunk?

 

Markus Petters, Colorado State University

Neil M. Donahue, Carnegie Mellon University

 

 

 

 

Physically-Based Parameterization of Cloud Droplet Formation

Next Steps in the Thermodynamic Modeling of Gas/Particle Partitioning of Organic Compounds in the Atmosphere

 

Athanasios Nenes, Georgia Tech

James Pankow, Oregon Health & Science University

 

 

 

 

Constraining the Effects of Composition and Mixing State on CCN Activity

A Thermodynamic Aerosol Module for a Non-Ideal, Phase-Separating Mixture of Primary and Secondary Organic Compounds

 

Athanasios Nenes, Georgia Tech

Betty Pun, Atmospheric and Environmental Research, Inc.

 

 

 

 

 

Development of a Modal Aerosol Module with an Efficient Non-Equilibrium Treatment of Size-Dependent Gas-Particle Mass Transfer

 

 

Uma Shankar, University of North Carolina, Chapel Hill

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3:00 - 3:30 BREAK

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3:30 - 5:00

SESSION IV - A

SESSION IV - B

 

Sub-Grid Scale Modeling

Secondary Organics - Global Scale

 

Chair: Eladio Knipping, EPRI, Prakash Karamchandani, Atmospheric Environmental Research Administration

Chairs: Prakash Bhave, National Oceanic and Atmospheric Administration and David Simpson, Norwegian Meteorological Institute

 

 

 

 

Plume-in-Grid Modeling for PM - A Parallel Approach

Modeling Secondary Organic Aerosols: Current Achievements and Future Challenges

 

Prakash Karamchandani, Atmospheric Environmental Research

Kostas Tsigaridis, Laboratoire des Sciences du Climat et de l’Environnement (LSCE)

 

 

 

 

Use of Hybrid Plume/Grid Modeling and Super Site Data to Model PM2.5 in St. Louis

Global Modeling of Secondary Organic Aerosol Formation from Aromatic Hydrocarbons: High- vs. Low-Yield Pathways

 

Ralph Morris, ENVIRON

Daven Henze, Caltech

 

 

 

 

Emissions Sensitivities for PM Components for a Rural Site in the UK Using a Photochemical Trajectory Model

Modeling the Impact of Aerosol Formation to Particle and CCN Concentrations on Regional and Global Scales

 

R.G. Derwent, rdscientific

Tatu Anttila, Finnish Meteorological Institute

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5:00 - 7:00 WELCOMING RECEPTION

POSTER VIEWING

The ARC Ballroom Foyer

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THURSDAY, DECEMBER 6th

 

7:30 - 8:15 CONTINENTAL BREAKFAST

The ARC Ballroom Foyer

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8:15 - 10:00

SESSION V- A

SESSION V - B

 

Model Structure: Sections, Modes, Moments

Secondary Organics - Regional Scale

 

Chairs: Rahul Zaveri, Pacific Northwest National Laboratory and Karine Sartelet, CEREA

Chairs: Prakash Bhave, National Oceanic and Atmospheric Administration and David Simpson, Norwegian Meteorological Institute

 

 

 

 

Variable Moment General Dynamic Equations for Global and Regional Aerosol Modeling

Modeling Carbonaceous Aerosol in Europe: Comparisons with Measurements

 

Boris Grits, University of California Davis

David Simpson, Norwegian Meteorological Institute

 

 

 

 

The Sectional and Modal Aerosol Models SIREAM and MAM in the Air Quality Platform Polyphemus: Common Features and Differences

Modeling the Contribution of SOA in Australian Air Pollution Events - from Smog Chamber to Airshed

 

Karine Sartelet, CEREA

Martin Cope, CSIRO

 

 

 

 

Application of Moment-Sectional Algorithms to Emerging Problems in Aerosol Science

Evaluation of New Approaches to Modeling Atmospheric Organic Particulate Matter in CAMx

 

Peter Adams, Carnegie Mellon University

Bonyoung Koo, ENVIRON International Corporation

 

 

 

 

New Developments in the Quadrature Method of Moments (QMOM) Approach to Aerosol Simulation

Modeling of Carbonaceous Aerosols with CHIMERE - Focus on Secondary Organic Aerosols

 

Robert McGraw, Brookhaven National Laboratory

Bertrand Bessagnet, L'Institut National de l'Environnement Industriel et des Risques

 

 

 

 

A Mode Merging Algorithm for Modal Models

 

 

Evan Whitby, Chimera Technologies, Inc.

 

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10:00 - 10:30 BREAK

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10:30 - 12:00

SESSION VI - A

SESSION VI - B

 

Model Structure: Hybrid and Fully Dynamic

Secondary Organics - Kinetics

 

Chairs: Rahul Zaveri, Pacific Northwest National Laboratory and Karine Sartelet, CEREA

Chairs: Prakash Bhave, National Oceanic and Atmospheric Administration and David Simpson, Norwegian Meteorological Institute

 

 

 

 

Equilibrium, Dynamic, and Hybrid Approaches for Atmospheric Aerosol Modeling

The Rise and Fall of Organic Aerosol Mass: Oxidation Giveth and Oxidation Taketh Away

 

Bonyoung Koo, ENVIRON

Neil M. Donahue, Carnegie Mellon University

 

 

 

 

Dynamic Gas-Particle Partitioning in the UCD Aerosol Module

Explicit Modelling of the SOA/VOC/NOx System

 

K. Max Zhang, Cornell University

Bernard Aumont, Universite de Paris

 

 

 

 

A Solution to the Problem of Nonequilibrium Acid/Base Gas-Particle Transfer at Long Time Step

Development of a Secondary Organic Aerosol Formation Mechanism: Comparison with Smog Chamber Experiments and Atmospheric Measurements

 

Mark Z. Jacobson, Stanford University

Luis Olcese, University of Michigan

 

 

 

 

An Efficient Algorithm for Dynamic Gas-Particle Partitioning In MOSAIC

Validation of Soot Aging Models with Particle-Resolved Simulations

 

Rahul Zaveri, Pacific Northwest National Laboratory

 Nicole Riemer, Stony Brook University

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12:00 - 1:30 BUFFET LUNCH - , Meeting Rooms 1&2, and the Lounge

____________________________________________________________________________________________________________________________________________________________________________________

 

1:30 - 3:00

SESSION VII - A

SESSION VII - B

 

Parallel Processing Issues

Secondary Organics - Miscellaneous Processes

 

Chairs: Mike Kleeman, University of California Davis and Donald Dabdub, University of California Irvine

Chairs: Prakash Bhave, National Oceanic and Atmospheric Administration and David Simpson, Norwegian Meteorological Institute

 

 

 

 

Efficient Parallel Methods for the Advection of Large Numbers of Species in Air Quality Models

SOA Model by Partitioning and Heterogeneous Reactions in the Presence of Inorganic Species

 

Mike Kleeman, University of California Davis

Myoseon Jang, University of Florida

 

 

 

 

Parallel Computation in Atmospheric Modeling: Past and Future

Organic Aerosols in the Air Quality Platform Polyphemus: Oxidation Pathways, Hydrophilic/Hydrophobic Partitioning and Oligomerization

 

Donald Dabdub, University of California Irvine

Edouard Debry, CEREA

 

 

 

 

A Parallel Program Building Block

The Lumped Composition Aerosol (LCA) Module for Simulating Composition Effects on SOA Formation

 

David Wong, National Oceanic and Atmospheric Administration

Frank Bowman, University of North Dakota

 

 

 

 

 

Three Types of Secondary Organic Aerosol Yields Based on the Gas/Aerosol Partitioning Theory and Their Relevance to Modelling Organic Aerosol Formation

 

 

Weimin Jiang, National Research Council of Canada

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3:00 - 3:30 BREAK

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3:30 - 5:00

SESSION VIII - A

SESSION VIII - B

 

WRF- Chem + Aerosols

Secondary Organics - In-Cloud Formation

 

Chair: Georg Grell, National Oceanic and Atmospheric Administration

Chairs: Prakash Bhave, National Oceanic and Atmospheric Administration and David Simpson, Norwegian Meteorological Institute

 

 

 

 

Overview of WRF-Chem

Chemical Processes in Cloud Droplets as a Source of Secondary Organic Aerosol

 

Georg Grell, National Oceanic and Atmospheric Administration

Barbara Ervens, National Oceanic and Atmospheric Administration

 

 

 

 

Implementation of Aerosol-Radiation-Cloud-Chemistry Interactions in WRF-Chem

Simulating Secondary Organic Aerosol Formation from Cloud Processing of Organic Compounds in CMAQ-MADRID

 

William I. Gustafson Jr., Pacific Northwest National Laboratory

Jianjun Chen, University of California Davis

 

 

 

 

Comparison of Real Time PM 2.5 Forecast Model Results with Aircraft Data from TexAQS-2006 Field Study

CMAQ Parameterization of Cloud-Produced Secondary Organic Aerosol

 

Stuart McKeen , National Oceanic and Atmospheric Administration

Ann Marie Carlton, National Oceanic and Atmospheric Administration

 

 

 

 

The Aerosol Modeling Test Bed: A Proposed Tool to Facilitate Improved Aerosol Process Models

 

 

Jerome Fast, Pacific Northwest National Laboratory

 

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FRIDAY, DECEMBER 7th

 

7:45- 8:30 CONTINENTAL BREAKFAST

The ARC Ballroom Foyer

__________________________________________________________________________________________________________________________________________________________________________________

 

8:30 - 10:00

SESSION IX - A

SESSION IX - B

 

WRF- Chem + Aerosols - CONTINUED

Source Oriented

 

Chair: Georg Grell, National Oceanic and Atmospheric Administration

Chairs: Mike Kleeman, University of California Davis and Ted Russell, Georgia Tech

 

 

 

 

Sensitivity Tests of CCN-Cloud Droplet Number Using a Newly Developed WRF Microphysics Scheme on Various Case Studies

Regional Source Apportionment of Airborne Particulate Matter in Central California Using a Source-Oriented Air Quality Model

 

Greg Thompson, National Center for Atmospheric Research

Qi Ying, Texas A&M

 

 

 

 

Inter-comparison of Forecasted Aerosol Formation by CMAQ and WRF-Chem

Primary Source Apportionment

 

William R. Stockwell, Howard University

Antony Chen, Desert Research Institute

 

 

 

 

Current and Future Aerosol Studies Using WRF-Chem

Source Apportionment Using Direct Sensitivity

 

Mary Barth, The National Center for Atmospheric Research

Sergey Napelenok, National Oceanic and Atmospheric Administration

 

 

 

 

Developing Data Assimilation Capabilities in WRF-Chem

 

 

Greg Carmichael, University of Iowa

 

__________________________________________________________________________________________________________________________________________________________________________________

 

10:00 - 10:15 BREAK

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10:15 - 12:00 WRAP-UP AND NEXT STEPS -      

Anthony Wexler, University of California, Davis

Ajith Kaduwala, California Air Resources Board  

 

 

 

 

 

 

 

 

 

 

 

POSTERS

Presenting Author in Blue

 

1 - Statistics of Volumes, Swept by Non- Spherical Particles in a Turbulent Flow

Boris Grits, UC Davis, and Mark Pinsky and Alexander Khain, The Hebrew University of Jerusalem, Israel

 

2 - Comparison of CMAQ Aerosol Predictions by Two Thermodynamic Modules: UHAERO vs. ISORROPIA

Fang-Yi Cheng, Andrey Martynenko, Daewon Byun and Jiwen He, University of Houston

 

3 - Developing Sectional Aerosol Models for Modelling UK Atmospheric Aerosol

Michael K. Bane, Douglas Lowe and Gordon B. McFiggans, University of Manchester

 

4 - Investigation of the Influence of Microphysical Assumptions on Aerosol Chemistry Systems

Douglas Lowe, David Topping, and Gordan McFiggans, University of Manchester

 

5 - Characterization of Aerosols in U.S Southwest Cities Using an Inverse Reconstruction Model to

Retrieve Aerosol Size Distribution from Optical Depth Data

Rosa Fitzgerald and Javier Polanco, University of Texas and William Stockwell, Howard University

 

 

The Air Quality Research Center

PROGRAM COMMITTEE

3051 Bainer Hall

Prakash Bhave, EPA

University of California Davis

Donald Dabdub, UC Irvine

airquality.ucdavis.edu

Ajith Kaduwala, CARB

 

Michael Kleeman, UC Davis

Director: Anthony Wexler

Eladio Knipping, EPRI

Assistant Director: Victoria Evans

Dennis Robin, EPA

Conference Manager: Donna Reid

Christian Seigneur, AER

CEVS Registration: Katrina Damilano Evans and Alison Byrum

Anthony Wexler, UC Davis

 

Rahul Zaveri, PNL

 

We would like to thank the California Air Resources Board (CARB) and EPRI for their support of this Conference