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Yellowstone National Park Very large Class I area (2,219,737 acres)

Yellowstone National Park is a very large Class I area spanning three states, attracting millions of visitors. However, smoke from fires impairs visibility. Bridger Wilderness Area is a clean area with development interest.

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Yellowstone National Park Very large Class I area (2,219,737 acres)

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  1. Yellowstone National Park • Very large Class I area (2,219,737 acres) • Involves 3 states (WY, ID, MT) • Not an isolated wilderness (2.87 million visitors in 2006 ~ 700,000 • vehicles) • Smoke from fires is a significant source of visibility impairment

  2. YELL2 Monitor

  3. YELL2 Yellowstone Lake

  4. Looking South Towards the Site (YELL2)

  5. Grand Teton National Park, Yellowstone National Park, Teton Wilderness and Red Rocks Lakes NWRW Baseline Extinction Budget WRAP TSS>>Resources>>Modeling>>Aerosol Composition Tool

  6. OC, SO4 and NO3 Trends – Worst 20% Visibility WRAP TSS>>Monitoring>>Aerosol Trends Tool

  7. URP Glidepaths - Specific Days WRAP TSS>>Resources>>Modeling>>Modeling Results Browser>>Visibility Modeling>>Model Projections

  8. OMC Specific Days WRAP TSS>>Resources>>Modeling>>Modeling Results Browser>>Visibility Modeling>>Model Projections

  9. Yellowstone National Park Regional Haze Spectrums 2000-2004 Baseline (Worst) dv = 12; Bext = 33; VR = 120 2064 Natural Conditions (Worst) dv = 7; Bext = 20; VR = 200 http://vista.cira.colostate.edu/Datawarehouse/IMPROVE/Data/Photos/YELL/start.htm

  10. http://www.coha.dri.edu/images/backtraj/wy_woc_0500m_backtraj_yellowstone.gifhttp://www.coha.dri.edu/images/backtraj/wy_woc_0500m_backtraj_yellowstone.gif

  11. Worst Visibility Days (2000-2004) http://www.coha.dri.edu/web/general/tools_PMFModeling.html

  12. http://www.coha.dri.edu/web/general/tools_PMFModeling.html

  13. Yellowstone National Park Forest Fire Episode Episode 8/28/94 – 9/21/94 Photograph Taken 8/29/94 Episode 8/28/94 – 9/21/94 Photograph Taken 9/6/94 http://vista.cira.colostate.edu/Datawarehouse/IMPROVE/Data/Photos/YELL/start.htm

  14. URP Glidepaths - Specific Days WRAP TSS>>Resources>>Modeling>>Modeling Results Browser>>Visibility Modeling>>Model Projections

  15. Regional Haze Rule: • Wyoming submitted our section 309 SIP in December 2003 • Included participation in a “Backstop” SO2 Trading Program for controlling stationary source emissions under a set of milestones • As long as the emission totals from the designated program participants (100 TPY SO2 emitters) in the five states stayed under the milestone for any particular year, no further regulatory control was required

  16. Pink = Eligible and Subject to BART Blue = BART-eligible, but not Subject

  17. EC Monthly Weighted WRAP TSS>>Resources>>Modeling>>Modeling Results Browser>>Visibility Modeling>>Model Projections

  18. http://www.coha.dri.edu/images/backtraj/wy_wec_0500m_backtraj_yellowstone.gifhttp://www.coha.dri.edu/images/backtraj/wy_wec_0500m_backtraj_yellowstone.gif

  19. http://www.coha.dri.edu/images/backtraj/wy_wno3_0500m_backtraj_yellowstone.gifhttp://www.coha.dri.edu/images/backtraj/wy_wno3_0500m_backtraj_yellowstone.gif

  20. Pink = Eligible and Subject to BART Blue = BART-eligible, but not Subject

  21. Summary Table for Worst Visibility Days 1 Unitless value. 2 Monthly weighted. * Baseline data for this site (YELL2) begins in year 2000. Source: WRAP TSS>>Resources>>Monitoring>>Aerosol Trends Tool Source: WRAP TSS>>Resources>>Modeling>>Modeling Results Browser>>Visibility Modeling>>Model Projections

  22. YELLOWSTONE (YELL2) BEST VISIBILITY DAYS

  23. OC, SO4 and NO3 Trends – Best 20% Visibility WRAP TSS>>Monitoring>>Aerosol Trends Tool

  24. Yellowstone National Park Regional Haze Spectrums 2000-2004 Baseline (Best) dv = 3; Bext = 14; VR = 280 2064 Natural Conditions (Best) dv = 1; Bext = 11; VR = 360 http://vista.cira.colostate.edu/Datawarehouse/IMPROVE/Data/Photos/YELL/start.htm

  25. http://www.coha.dri.edu/images/backtraj/wy_bs_0500m_backtraj_yellowstone.gifhttp://www.coha.dri.edu/images/backtraj/wy_bs_0500m_backtraj_yellowstone.gif

  26. http://www.coha.dri.edu/images/backtraj/wy_bno3_0500m_backtraj_yellowstone.gifhttp://www.coha.dri.edu/images/backtraj/wy_bno3_0500m_backtraj_yellowstone.gif

  27. Summary Table for Best Visibility Days 1 Unitless value. * Baseline data for this site (YELL2) begins in year 2000. Source: WRAP TSS>>Resources>>Monitoring>>Aerosol Trends Tool Source: WRAP TSS>>Resources>>Modeling>>Modeling Results Browser>>Visibility Modeling>>Model Projections

  28. Bridger Wilderness Area • Very clean area • A lot of interest in the area due to development in SW WY

  29. Looking North Towards the Bridger (BRID1) Site

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