Average light extinction (1/Mm) and percentage contributions to the aerosol light extinction (Bep) of the major aerosol chemical components in 20% best, middle 60%, and 20% worst days based on data available during the year of 1997-2002

Location Data Sulfate Nitrate OMC LAC Soil CM Aerosol Ext   Sulfate% Nitrate% OMC% LAC% Soil% CM%
DOME1 20% Best 2.46 1.28 2.12 0.96 0.22 1.08 8.12   30.3% 15.7% 26.1% 11.9% 2.7% 13.3%
DOME1 Middle 60% 8.43 5.42 6.93 2.39 1.00 4.66 28.83   29.2% 18.8% 24.0% 8.3% 3.5% 16.2%
DOME1 20% Worst 13.74 20.13 17.86 4.82 1.69 9.63 67.88   20.2% 29.7% 26.3% 7.1% 2.5% 14.2%
DOME1 Average 8.36 7.65 8.25 2.61 0.99 4.99 32.85   25.5% 23.3% 25.1% 8.0% 3.0% 15.2%