Crater Lake National Park, Oregon

Mt. Thielsen Vista

1500 Slide Spectrum Series (1985 - 1991)

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

5

16

240

15%

2 of 10

6

19

210

30%

3 of 10

10

26

150

60%

4 of 10

14

39

100

90%

5 of 10

15

43

90

95%

6 of 10

28

156

25

>99%

7 of 10

30

196

20

>99%

8 of 10

33

261

15

>99%

9 of 10

37

391

10

>99%

10 of 10

37

391

10

>99%

 

 

Prepared by Air Resource Specialists, Inc.

for the IMPROVE Program

2000