Great Sand Dunes National Monument, Colorado
1500 Slide Spectrum Series (1987 - 1995)
Cumulative Frequency Summary
|
Spectrum Sequence # |
Representative
Visibility Condition Summary
|
Representative
Cumulative Frequency of Reconstructed
Extinction IMPROVE Aerosol Data (1988 – 1998) |
||
|
dv |
bext (Mm-1) |
VR (km) |
||
|
1 of 7 |
1 |
12 |
340 |
<1% |
|
2 of 7 |
3 |
13 |
290 |
<1% |
|
3 of 7 |
5 |
16 |
240 |
4% |
|
4 of 7 |
7 |
20 |
200 |
20% |
|
5 of 7 |
10 |
26 |
150 |
50% |
|
6 of 7 |
14 |
39 |
100 |
90% |
|
7 of 7 |
21 |
78 |
50 |
>99% |
Prepared by Air Resource Specialists, Inc.
for the IMPROVE Program
2000