|
Location
|
Date(s)
|
Elevation
(m)
|
CO2 Min
(ppm)
|
CO2 Max
(ppm)
|
1
|
Coastal Redwood Canyon, CA
|
June 6-7, 1956
|
150
|
335
|
384
|
2
|
Olympic Rain Forest, WA
|
Sept. 6-7, 1955
|
170
|
308
|
404
|
3
|
Coastal Redwood Valley, CA
|
May 18-19, 1955
|
70
|
316
|
389
|
4
|
Coastal Redwood Valley, CA
|
June 5-6, 1956
|
70
|
314
|
374
|
5
|
Sierra Nevada Pine/Fir Forest, CA
|
June 2-3, 1955
|
1950
|
313
|
364
|
6
|
Sierra Nevada Pine/Fir Forest, CA
|
June 10-11, 1956
|
1950
|
314
|
357
|
7
|
Mogollan Rim Pine Forest, AZ
|
May 16-17, 1956
|
2100
|
316
|
326
|
8
|
Cascade Mtn. Divide Forest, WA
|
Aug. 31-Sept. 1, 1955
|
1900
|
307
|
321
|
9
|
Sierra Nevada, CA
|
June 3, 1955
|
2500-3000
|
314
|
318
|
10
|
Southern California beach
|
June 22, 1955
|
0
|
313
|
315
|
11
|
Inyo Mtns., CA
|
July 8-9 1955
|
3800-4300
|
312
|
319
|
12
|
Washington beach
|
Sept. 6-7, 1955
|
0
|
309
|
310
|
13
|
Southern California bay (aircraft)
|
Nov. 27, 1955
|
0
|
315
|
315
|
14
|
Borrego Desert, CA
|
Jan. 31-Feb 2, 1956
|
340
|
311
|
318
|
15
|
Inyo Mtns., CA
|
Mar. 9-14, 1956
|
3800
|
315
|
318
|
16
|
Sonoran Desert, AZ
|
Apr. 21-22, 1956
|
550
|
314
|
320
|