All Sessions to be held at Room 178, Enterprise Hall George Mason University, Fairfax, VA, U.S.A.

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1 AGENDA 17 th Annual George Mason University Conference on Atmospheric Transport and Dispersion Modeling June 25-26, 2013 Conference Chair: Zafer Boybeyi (George Mason University, Fairfax, VA) All Sessions to be held at Room 178, Enterprise Hall George Mason University, Fairfax, VA, U.S.A. THEMES: Improve understanding of atmospheric transport and dispersion processes Support homeland security and defense requirements Share experience across different sectors DAY 1 - TUESDAY, JUNE 25, 2013 (7:30 All DAY) REGISTRATION (7:30 9:30) CONTINENTAL BREAKFAST (8:00 8:20) INTRODUCTIONS Session 1 Urban Studies & Indoor Dispersion Session Chair Joe Chang (Homeland Security Studies & Analysis Institute) (8:20 8:40) The Similar Days Analogue Forecast Method for Predicting Near Surface Wind Vectors for Urban Canopy Ii Complex Terrain. E. Fattal* & Z. Klausner *Israel Institute for Biological Research, Ness-Ziona, Israel (8:40 9:00) A Model for Buoyant Puff Dispersion in Urban Areas. S. Herring*, D. Hall & A. Spanton *Defence Science & Technology Laboratory, Salisbury, UK (9:00 9:20) Modeling the Transport, Deposition and Re-emission of Tritium Oxide. B. J. Viner* & C. H. Hunter *Savannah River National Laboratory, Aiken, SC (9:20 9:40) Comparison of Flow and Dispersion CFD Modeling and Macdonald s MUST Experiment. J. P. Keady*, P. Huq & F. E. Camelli1 *Center for Computational Fluid Dynamics, George Mason University 1

2 (9:40 10:00) A Fast CFD Model for Simulating Flow and Dispersion in Urban Areas and Complex Terrain. A. A. Gowardhan Lawrence Livermore National Laboratory, Livermore, CA (10:00 10:30) COFFEE BREAK Session 2 Data Analysis & CFD/LES Modeling Session Chair Tom Mazzola (TASC) (10:30 10:50) Aircraft Tracer Gas (SF 6 ) Measurements for the Upcoming Project Sagebrush Dispersion Experiments. S. Brooks*, B. Martos & R. Hosker *University of Tennessee Space Institute, Tullahoma, TN (10:50 11:10) Evidence for a Positive Feedback Cycle Between Atmospheric Boundary Layer Depth and Aerosol Concentration: an Empirical Study Using Simultaneous Lidar and Particle Counter Measurements. S. Pal*, T. Lee, S. Phelps & S. F.J. DeWekker *Department of Environmental Sciences, University of Virginia, VA (11:10 11:30) A Preliminary Analysis of Measurements from a Near-Field Pollutants Dispersion Campaign in a Stratified Surface Layer. X. Wei*, E. Dupont, B. Carissimo, E. Gilbert & L. Musson-Genon *Research and Teaching Center in Atmospheric Environment (CEREA), Chatou, France (11:30 11:50) High-Resolution Modeling of Wave-Turbulence Interactions and Associated Transport and Dispersion in the Stable Boundary Layer. D. Stauffer*, A. Suarez, J. Hoover, S. Richardson & B. Gaudet *The Pennsylvania State University, University Park, PA (11:50 12:10) Atmospheric Transport and Dispersion in Realistically Heterogeneous LES Environments. B. Gaudet*, D. Stauffer & A. Deng *The Pennsylvania State University, University Park, PA (12:10 12:30) Flow and Dispersion Patterns in Subway Stations. G. Byrne* & F. E. Camelli *Center for Computational Fluid Dynamics, George Mason University (12:30 1:45) LUNCH BREAK 2

3 Session 3 Special OFCM Session Session Chair Mark W. Miller (OFCM) (1:45 1:50) Introduction. Mark W. Miller OFCM (1:50 2:10) Operational Predictions of Atmospheric Dispersion at National Oceanic and Atmospheric Administration (NOAA). I. Stajner NOAA/NWS (2:10 2:30) CAMEO-ALOHA. M.W. Miller OFCM (2:30 2:50) NOAA Meteorological Models. G. DiMego NOAA/NWS/NCEP (2:50 3:10) National Atmospheric Release Advisory Center ATD Modeling and Response. G. Sugiyama DOE/LLNL (3:10 3:30) IMAAC. B. Chacko DHS/IMAAC (3:30 3:50) DTRA. A. Grose DoD/DTRA (3:50 4:30) COFFEE BREAK (4:30) ADJOURN (End of the First Day) 3

4 DAY 2, WEDNESDAY, JUNE 26, 2013 (7:30 ALL DAY) REGISTRATION (CON T) (7:30 9:30) CONTINENTAL BREAKFAST Session 4 Atmospheric Transport & Dispersion Modeling Session Chair Steve Hanna (Hanna Consultants) (8:20 8:40) The Use of Probabilistic Plume Predictions for the Consequence Assessment of Atmospheric Releases of Hazardous Materials. N. Platt*, W. R. Kimball II & J. T. Urban *Institute for Defense Analyses, Alexandria, VA (8:40 9:00) Analysis of Calibrated Probabilistic AT&D Predictions Based on the NCEP 16-km SREF. D. Stauffer, B. Gaudet, A. Deng, G. Hunter, W. Kolczynski, Jr., I. Sykes, R. Long & D. Lim *The Pennsylvania State University, University Park, PA (9:00 9:20) Comments on Limitations of Short Range Atmospheric Dispersion Models. S. R. Hanna Hanna Consultants, Kennebunkport, ME (9:20 9:40) Forecasting the New York City Urban Heat Island and Sea Breeze During Extreme Heat Events. T. Meir*, P. M. Orton, J. Pullen*, T. Holt, W. T. Thompson & M. F. Arend *Stevens Institute of Technology, Hoboken, NJ (9:40 10:00) Benchmark Validation for CB Scenarios. J. A Magerko Jr.* & Ronal G. Meris *TASC, Inc., Colorado Springs, CO (10:00 10:20) Recent Developments in the PMSS (Parallel Micro Swift Spray) Flow and Dispersion Model : introduction of chemical reactions. J. Moussafir*, C. Olry, M. Nibart, O. Oldrini, H. Kaplan, A. Albergel & P. Armand *ARIA Technologies SA, Boulogne-Billancourt, France (10:20 10:50) COFFEE BREAK Session 5 Jack Rabbit Field Experiment Session Chair Tom Spicer (University of Arkansas) 4

5 (10:50 11:10) Jack Rabbit II: Experimental Validation of Large-Scale Chlorine Releases for Improved Modeling and Emergency Response. S. B. Fox U.S. Department of Homeland Security - Chemical Security Analysis Center (CSAC), Aberdeen Proving Ground, MD (11:10 11:30) Updated Chlorine and Anhydrous Ammonia Concentrations Observed in the Jack Rabbit Field Experiment, and Their Use in Calibrating the Briggs Dense Gas Cloud Hold-up Formula in Demonstrating Simple C(x) Relations. S. R. Hanna* & J. C. Chang *Hanna Consultants, 7 Crescent Ave., Kennebunkport, ME , USA (11:30 11:50) Comparison of DEGADIS Dispersion Model Predictions with Observations from the Jack Rabbit Chlorine Tests. T. Spicer Department of Chemical Engineering, University of Arkansas, Fayetteville, AR (11:50 12:10) Measurement of Source Terms and Plume Chemical Evolution for Massive Ammonia and Chlorine Releases. R. A. Hashmonay CTO, Atmosfir Optics Ltd., Raleigh, NC (12:10 12:30) Evaporation of Volatile Chemicals from Porous Media: Comparison Between Model and Measurements of Water Evaporation Under Constant Environmental Conditions. E. Gavze* & R. Reichman *Israel Institute for Biological Research, Ness-Ziona, Israel (12:30 1:50) LUNCH BREAK Session 6 Data Assimilation, Source Term Estimation & Dispersion in Subway Systems Session Chair Zafer Boybeyi (George Mason University) (1:50 2:10) The AIRCITY Project : Simulating Flow and Dispersion over the entire City of Paris on 12x10 km at 3m resolution with PMSS. J. Moussafir*, C. Olry, M. Nibart, O. Oldrini, F. Mahé, P. Armand, C. Duchenne & S. Leloaec *ARIA Technologies SA, Boulogne-Billancourt, France 5

6 (2:10 2:30) Assimilation of Observations with Gridded Meteorology for an Atmospheric Transport and Diffusion Model. D. S. Henn* & R. I. Sykes *Sage Management, Princeton, NJ (2:30 2:50) Real-time Exercise with Paris Fire Brigade Using Dispersion and Health Impact Advanced 4D Modelling for Decision Support. P. Armand*, C. Duchenne, C. Libeau, T. Le Nouene & F. Brill *CEA, DAM, DIF, F Arpajon, France (2:50 3:10) The Use of Ensemble-derived Background Error Covariance Matrices to Improve Gradient Descent Performance in Source Term Estimation. L. M. Rodriguez*, P. Bieringer, S. E. Haupt & G. Young *The National Center for Atmospheric Research, Boulder, CO (3:10 3:30) Noise Characteristics of FFT07 Data: Development of an Algorithm for Automated Determination of Noise Threshold. M. F. Quigley & I. Sykes Sage Management, Inc., Springfield, VA (3:30 3:50) COST ES-1006 : an European coordinated Research Action on Local- Scale Airborne Hazards Modelling and Emergency Response J. Moussafir*, Bernd Leitl, S. Trini-Castelli, K. Baumann-Stanzer, P. Armand, F.Harms & M.Millez *ARIA Technologies SA, Boulogne-Billancourt, France (3:50) ADJOURN (End of Conference) 6

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