Location Month 2000 2001 2002 2003 2004 Total
BRET1 1   1 9 9 10 29
BRET1 2   3 10 9 9 31
BRET1 3   7 10 11 11 39
BRET1 4   6 5 10 10 31
BRET1 5   7 3 10 6 26
BRET1 6   9 2 10 9 30
BRET1 7   10 3 10 9 32
BRET1 8   10 10 11 11 42
BRET1 9   10 8 2 2 22
BRET1 10   8 10     18
BRET1 11   10 10   4 24
BRET1 12   10 11   10 31

 

Figure 3 Average contributions of major aerosol chemical components to light extinction (Based on data available in 2001-2004)

 

Figure 4 Average contributions of major aerosol chemical components to light extinction in 20% best, middle 60% and 20% worst days (Based on data available in 2001-2004)

SAGO_14850_image006.gif (4051 bytes) 

Figure 5 Percentage of sampling days that are 20% worst days in each month (Based on data available in 2001-2004)

 SAGO_14850_image004.gif (8350 bytes)

Figure 6 Average contributions of major aerosol chemical components to light extinction during 20% worst days in each month (Based on data available in 2001-2004)