Petrified Forest National Park, Arizona

1500 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 10

4

14

270

<1%

2 of 10

6

19

210

5%

3 of 10

8

23

170

20%

4 of 10

10

26

150

40%

5 of 10

11

30

130

60%

6 of 10

13

36

110

85%

7 of 10

14

39

100

90%

8 of 10

17

56

70

>99%

9 of 10

23

98

40

>99%

10 of 10

30

196

20

>99%

 

 

 

Prepared by Air Resource Specialists, Inc.

for the IMPROVE Program

2000