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aqd.nps/ARD/vis/vismap.html

http://http://www.aqd.nps.gov/ARD/vis/vismap.html. Summary of seasonal trends in fine mass concentration for four geographic regions of the United States. The height of the bar is the fine mass in ug/m 3 and the shaded patterns are proportional to the contribution of various particle species.

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aqd.nps/ARD/vis/vismap.html

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  1. http://http://www.aqd.nps.gov/ARD/vis/vismap.html

  2. Summary of seasonal trends in fine mass concentration for four geographic regions of the United States. The height of the bar is the fine mass in ug/m3 and the shaded patterns are proportional to the contribution of various particle species.

  3. Average reconstructed light extinction coefficient (Mm-1) calculated from the aerosol concentrations measured during IMPROVE. The various panels show total extinction (including Rayleigh scattering due to air).

  4. The top panel shows extinction, expressed in terms of inverse megameters, that is contributed by sulfates, while the bottom panel shows the percent contribution of sulfates to total particulate extinction.

  5. The top panel shows extinction, expressed in terms of inverse megameters, that is contributed by organic carbon, while the bottom panel shows the percent contribution of organic carbon to total particulate extinction.

  6. The top panel shows extinction, expressed in terms of inverse megameters, that is contributed by light-absorbing carbon, while the bottom panel shows the percent contribution of light-absorbing carbon to total particulate extinction.

  7. http://www.meteoros.de/ee01ee02/ee02_b.htm

  8. Photo by R. S. Fay, Rockville, MD

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