Petrified Forest National Park, Arizona
0900 Slide Spectrum Series (1986 - 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 9 |
6 |
18 |
220 |
3% |
|
2 of 9 |
7 |
21 |
190 |
10% |
|
3 of 9 |
9 |
24 |
160 |
30% |
|
4 of 9 |
10 |
28 |
140 |
50% |
|
5 of 9 |
11 |
30 |
130 |
70% |
|
6 of 9 |
13 |
36 |
110 |
85% |
|
7 of 9 |
15 |
43 |
90 |
97% |
|
8 of 9 |
16 |
49 |
80 |
98% |
|
9 of 9 |
19 |
65 |
60 |
>99% |
Prepared by Air Resource Specialists, Inc.
for the IMPROVE Program
2000