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WRAP RMC Phase II Wind Blown Dust Project

WRAP RMC Phase II Wind Blown Dust Project. ENVIRON International Corporation and University of California, Riverside 20 September 2005. Recent Revisions for Base02a Inventory. Updated LULC database Dust Transport Fractions Dust Fine Fraction (PM10/PM2.5). Updated LULC Database (2000).

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WRAP RMC Phase II Wind Blown Dust Project

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  1. WRAP RMC Phase II Wind Blown Dust Project ENVIRON International Corporation and University of California, Riverside 20 September 2005

  2. Recent Revisions for Base02a Inventory • Updated LULC database • Dust Transport Fractions • Dust Fine Fraction (PM10/PM2.5)

  3. Updated LULC Database (2000)

  4. LULC Summary/Comparison

  5. Fine Fraction of Dust • Original methodology used 0.78/0.22 (PMC/PMF) • Revised methodology uses 0.90/0.10

  6. Latest Transport Fractions(Tom Pace, EPA, 6/2005) • Effects of near-source dust removal & deposition • Varies by LULC; Applied at grid-cell level (12-km)

  7. Model ResultsWRAP 12-km Modeling Domain

  8. Model ResultsWRAP 12-km Modeling Domain

  9. Model ResultsWRAP 12-km Modeling Domain

  10. WRAP 12-km Modeling Results

  11. WRAP 12-km Modeling Results

  12. WRAP 12-km Modeling Results

  13. WRAP 12-km Modeling Results

  14. WRAP 12-km Modeling Results

  15. WRAP Dust Comparison

  16. WRAP Dust Comparison

  17. Model Results36-km - January

  18. Model Results36-km - July

  19. Model Results36-km - Annual

  20. Model Results12-km - January

  21. Model Results12-km – July

  22. Model Results12-km – Annual

  23. Next Steps • Update Model performance Evaluation • Scatter plots of IMPROVE data vs. WBD Emissions • Evaluate CMAQ model performance with & without WBD Emissions • Update Project Final Report

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