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Results from January/July CMAQ Source Apportionment Modeling

Discover contributions of sulfates and nitrates from January & July using CMAQ modeling. Explore major source tags and key findings at various receptor sites.

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Results from January/July CMAQ Source Apportionment Modeling

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  1. Results from January/July CMAQ Source Apportionment Modeling Gail Tonnesen, Bo Wang, Zion Wang, Chao-Jung Chien, Mohammad Omary University of California, Riverside Zac Adelman, Andy Holland University of North Carolina Ralph Morris et al. ENVIRON Corporation Int., Novato, CA WRAP Attribution of Haze Meeting, Denver, CO July 22, 2004

  2. Bar plots show 20 largest contributors as determined using the tracers. All smaller contributors are lumped together and labeled “rest”. Results today are for sulfate and nitrate, and for January and July. Contributions at Receptor Sites

  3. Plots are prepared for average tracer contributions for each day at each site. Results summarized here as: Average contribution for 1 month Average contributions on the best and worst 20% modeled visibility days during the month. Bext is used to select best & worst days. Contributions at Receptor Sites

  4. Naming Convention for Source Tags

  5. Phoenix, IMPROVE & CMAQ Sulfate, July’02

  6. Phoenix, CMAQ TSSASulfate July‘02 Avg

  7. Yellowstone, IMPROVE & CMAQ Sulfate, July’02

  8. Yellowstone, CMAQ TSSASulfate July‘02 Avg

  9. Yellowstone Nat’l Park, TSSA Sulfate, CMAQ 20% Worstdays in July‘02

  10. Yellowstone Nat’l Park, TSSA Sulfate, CMAQ 20% Bestdays in July‘02

  11. Yellowstone, IMPROVE & CMAQ Nitrate, July’02

  12. Yellowstone, CMAQ TSSANitrateJuly 2002 Average

  13. Yellowstone Nat’l Park, TSSA Nitrate, CMAQ 20% Worstdays in July‘02

  14. Yellowstone Nat’l Park, TSSA Nitrate, CMAQ 20% Bestdays in July‘02

  15. Bliss State Park, IMPROVE & CMAQ Bext, July‘02

  16. Bliss State Park, IMPROVE & CMAQ Sulfate, July‘02

  17. Bliss State Park, TSSA Sulfate, CMAQ 20% Worstdays in July‘02

  18. Bliss State Park, TSSA Sulfate, CMAQ 20% Bestdays in July‘02

  19. Bliss State Park, IMPROVE & CMAQ Nitrate, July‘02

  20. Bliss State Park, TSSA Nitrate, CMAQ 20% Worstdays in July‘02

  21. Bliss State Park, TSSA Nitrate, CMAQ 20% Bestdays in July‘02

  22. Rocky Mt. Nat’l Park, TSSA Sulfate, CMAQ 20% Worstdays in July‘02

  23. Rocky Mt. Nat’l Park, TSSA Sulfate, CMAQ 20% Bestdays in July‘02

  24. American Indian Class I Lands Spokane (SPOK1) Confederated Salish and Kootenai Tribes (FLAT1) Northern Cheyenne (NOCH1) Fort Peck (FOPE1) Yavapai-Apache (IKBA) Hualapai Tribe (contiguous to Grand Canyon National Park)

  25. Fort Peck, IMPROVE & CMAQ Sulfate, July‘02

  26. Fort Peck,CMAQ TSSASulfate July‘02 Avg

  27. Fort Peck, IMPROVE & CMAQ Nitrate, July‘02

  28. Fort Peck,CMAQ TSSANitrate July‘02 Avg

  29. Spokane, IMPROVE & CMAQ Sulfate, July‘02

  30. Spokane,CMAQ TSSASulfate July‘02 Avg

  31. Spokane, IMPROVE & CMAQ Nitrate, July‘02

  32. Spokane,CMAQ TSSANitrate July‘02 Avg

  33. Flathead, IMPROVE & CMAQ Sulfate, July‘02

  34. Flathead,CMAQ TSSASulfate July‘02 Avg

  35. Flathead, IMPROVE & CMAQ Nitrate, July‘02

  36. Flathead,CMAQ TSSANitrate July‘02 Avg

  37. Yavapai-Apache (Ike’s Backbone), IMPROVE & CMAQ Sulfate, July‘02

  38. Yavapai-Apache (Ike’s Backbone),CMAQ TSSASulfate July‘02 Avg

  39. Yavapai-Apache (Ike’s Backbone), IMPROVE & CMAQ Nitrate, July‘02

  40. Yavapai-Apache (Ike’s Backbone),CMAQ TSSANitrate July‘02 Avg

  41. Northern Cheyenne, IMPROVE & CMAQ Sulfate, July‘02

  42. Northern Cheyenne, CMAQ TSSASulfate July‘02 Avg

  43. Northern Cheyenne, IMPROVE & CMAQ Nitrate, July‘02

  44. Northern Cheyenne,CMAQ TSSANitrate July‘02 Avg

  45. American Indian Class I Lands(January)

  46. Spokane, IMPROVE & CMAQ Sulfate, Jan‘02

  47. Spokane,CMAQ TSSASulfate Jan‘02 Avg

  48. Spokane, IMPROVE & CMAQ Nitrate, Jan‘02

  49. Spokane,CMAQ TSSANitrate Jan‘02 Avg

  50. Yavapai-Apache (Ike’s Backbone), IMPROVE & CMAQ Sulfate, Jan‘02

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