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| ElDorado Springs |
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| Chemical components
responsible for haze |
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At the El Dorado Springs site, the average PM2.5 mass
concentration during 6/2002-8/2003 is 11.6 µg/m3, and the average total
light extinction coefficient (Bext) is 97 Mm-1 (Visual Range ~ 40 Km; Deciview ~ 23). Sulfate and nitrate are two of the largest contributors to
haze, with an average contribution of 45% and 20%, respectively. Figure 2
indicates sulfate is the biggest contributor to haze in the warm season, and
nitrate is the biggest in the cool season. |
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| Figure 2. Average
contributions of major aerosol chemical components to light extinction
(Based on data available in 1997-2002) |
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| Figure 3. Average
contributions of major aerosol chemical components to light extinction
during 20% worst days in each month (Based on data available in 1997-2002) |
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Last updated 30 September 2004
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