1. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 WRAP RMC Phase II Wind Blown Dust Project Regional Modeling Center ENVIRON; UCR CE-CERT; UNC-CEP WRAP Workshop on Fire, Carbon and Dust Sacramento, CA May 23 – 24, 2006

2. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 WRAP Fugitive Windblown Dust (WBD) Emissions Model PM dust emissions from wind erosion Relies on land use and soil characteristics in order to estimate threshold surface friction velocities and emission rates Special treatment for agricultural lands Current version of model uses updated landuse/landcover (2000 NLAC) Revised PM 10 /PM 2.5 ratios Updated Transport Fractions (TFs)

3. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 Data Sources Landuse/Landcover –2000 North American Land Cover Database (2000 NALC) Soil Texture –STATSGO soils database (from Penn State) Meteorology –Penn State/NCAR MM5 model simulations –Annual 2002 36-km WRAP modeling domain Fugitive dust transport fractions from EPA (Pace, 2005) –Developed at grid-cell level based on 2000 NALC

4. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 Landuse/Landcover (LULC)

5. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 Soil Texture Transport Fractions

6. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 LULC Summary

7. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 PM10 WB Dust Emission Summary (tpy)

8. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006

9. 2002 Annual PM10 WB Dust Emissions

10. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006

11. 2002 Monthly WB PM10 Dust Emissions WRAP States

12. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 Model Performance Evaluation Evaluate reasonableness of WBD Model results –Compare predicted PM dust emissions near IMPROVE monitors with Observed fine soil and coarse mass Evaluate CMAQ model sensitivity to WB PM Dust emissions –Modified CMAQ simulations to track WB Dust emissions separately –Review modeling results for fine soil and coarse mass Evaluate CMAQ model performance with and without WB Dust emissions –Investigate model performance at IMPROE monitors w/ and w/o WB Dust emissions (time series and scatter plots)

13. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 Saguaro West, AZ, Coarse Mass

14. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 Saguaro West, AZ, Soil

15. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 Salt Creek, NM, Coarse Mass

16. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 Salt Creek, NM, Soil

17. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 CMAQ Sensitivity Simulations

18. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 Model Performance Evaluation Coarse Mass Fine Soil

19. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 Saguaro West, AZ Fine Soil Coarse Mass

20. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 Salt Creek, NM Fine Soil Coarse Mass

21. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 Badlands, NP Glacier, NP

22. WRAP Workshop on Fire, Carbon and Dust – Sacramento, CA - May 23-24, 2006 Grand Canyon, NP San Gabriel