Listing of Files Provided
The following is a list of the files that compose the NOAA/CMDL flask CO2 database and that are
distributed by CDIAC along with this documentation. These files are available on a variety of media (see
Sect. 10, How To Obtain The Data). This listing has been tailored to reflect a 9-track magnetic tape
request. The record formats, record lengths, and block sizes shown are the defaults for those not
specifying these parameters when requesting machine-readable data files on 9-track magnetic tape.
The default tape density, labeling, and characters are 6250 BPI, nonlabeled, and ASCII, respectively.
File number, name, Logical FTP file Record Block Record
and description records size in K formatª size length
1. General descriptive 577 30.9 FB 8000 80
information file (readme)
2. FORTRAN 77 data retrieval 40 1.5 FB 8000 80
code to read and print the
files containing atmospheric
CO2 records
from individual flasks in the
NOAA/CMDL flask air sampling
network (files 6-107)
(flask.for)
3. SAS® data retrieval 8 0.3 FB 8000 80
code to read and print files
6-107 (flask.sas)
4. FORTRAN 77 data retrieval 32 0.9 FB 8000 80
code to read and print the
files containing monthly
NOAA/CMDL flask CO2 records
(files 108-163) (month.for)
5. SAS® data retrieval 6 0.1 FB 8000 80
code to read and print files
108-163 (month.sas)
Files containing atmospheric
CO2 records derived
from individual flask air
samples for 42 sites
6. All sites (all.co2) 59247 3910.3 FB 6500 65
(does not include shipboard
measurement files 35-86 and
files 90-96)
7. Alert, Northwest Territories, 903 59.6 FB 6500 65
Canada (alt.co2)
8. Amsterdam Island, Indian 1528 100.8 FB 6500 65
Ocean (France) (ams.co2)
9. Ascension Island, Atlantic 743 181.0 FB 8000 80
Ocean (United Kingdom)
(asc.co2)
10. St. Croix, Virgin Islands, 2217 146.3 FB 6500 65
United States (avi.co2)
11. Azores (Terceira Island), 1133 74.7 FB 6500 65
North Atlantic Ocean
(Portugal) (azr.co2)
12. Baltic Sea, Poland 296 19.5 FB 6500 65
(bal.co2)
13. Bermuda (east), North 478 31.5 FB 6500 65
Atlantic Ocean (United
Kingdom) (bme.co2)
14. Bermuda (west), North 408 26.9 FB 6500 65
Atlantic Ocean (United
Kingdom) (bmw.co2)
15. Point Barrow, Alaska, 4949 326.6 FB 6500 65
United States (brw.co2)
16. Cold Bay, Alaska, 2766 182.5 FB 6500 65
United States (cba.co2)
17. Cape Grim, Tasmania, 1178 77.7 FB 6500 65
Australia (cgo.co2)
18. Christmas Island, Indian 843 55.6 FB 6500 65
Ocean (Kiribati) (chr.co2)
19. Cape Meares, Oregon, 1909 126.6 FB 6500 65
United States (cmo.co2)
20. Crozet, Indian Ocean 180 11.8 FB 6500 65
(France) (crz.co2)
21. Guam, Pacific Ocean 2514 165.9 FB 6500 65
(U.S. Territory) (gmi.co2)
22. Dwejra Point, Gozo, Malta 30 1.9 FB 6500 65
(goz.co2)
23. Halley Bay, Antarctica 585 38.6 FB 6500 65
(hba.co2)
24. Hegyhatsal, Hungary 98 6.4 FB 6500 65
(hun.co2)
25. Heimaey, Vestmannaeyjar, 133 8.7 FB 6500 65
Iceland (ice.co2)
26. Grifton, North Carolina, 151 9.9 FB 6500 65
United States (itn.co2)
27. Izañaa Observatory, 196 12.9 FB 6500 65
Tenerife, Canary Islands,
Spain (izo.co2)
28. Key Biscayne, Florida, 1516 100.0 FB 6500 65
United States (key.co2)
29. Cape Kumukahi, Hawaii, 3597 237.4 FB 6500 65
United States (kum.co2)
30. Mould Bay, Northwest 2528 166.9 FB 6500 65
Territories, Canada
(mbc.co2)
31. Mace Head, County Galway, 278 18.3 FB 6500 65
Ireland (mht.co2)
32. Sand Island (Midway), 959 63.3 FB 6500 65
Pacific Ocean (United
States) (mid.co2)
33. Mauna Loa, Hawaii, 4576 302.0 FB 6500 65
United States (mlo.co2)
34. Niwot Ridge, Colorado, 4090 269.9 FB 6500 65
United States (nwr.co2)
Shipboard measurements from
the Pacific Ocean between
the U.S. west coast and
New Zealand aboard the
California Star
35. 45° N latitude (opcn45.co2) 12 0.8 FB 6500 65
36. 40° N latitude (opcn40.co2) 12 0.8 FB 6500 65
37. 35° N latitude (opcn35.co2) 12 0.8 FB 6500 65
38. 30° N latitude (opcn30.co2) 18 1.1 FB 6500 65
39. 25° N latitude (opcn25.co2) 18 1.1 FB 6500 65
40. 20° N latitude (opcn20.co2) 16 1.0 FB 6500 65
41. 15° N latitude (opcn15.co2) 18 1.1 FB 6500 65
42. 10° N latitude (opcn10.co2) 16 1.0 FB 6500 65
43. 5° N latitude (opcn05.co2) 16 1.0 FB 6500 65
44. Equator (opc000.co2) 16 1.0 FB 6500 65
45. 5° S latitude (opcs05.co2) 16 1.0 FB 6500 65
46. 10° S latitude (opcs10.co2) 16 1.0 FB 6500 65
47. 15° S latitude (opcs15.co2) 16 1.0 FB 6500 65
48. 20° S latitude (opcs20.co2) 16 1.0 FB 6500 65
49. 25° S latitude (opcs25.co2) 16 1.0 FB 6500 65
50. 30° S latitude (opcs30.co2) 16 1.0 FB 6500 65
51. 35° S latitude (opcs35.co2) 12 0.8 FB 6500 65
52. 40° S latitude (opcs40.co2) 12 0.8 FB 6500 65
Shipboard measurements from
the Pacific Ocean between the
U.S. west coast and New Zealand
aboard the Southland Star
53. 45° N latitude (pacn45.co2) 77 5.0 FB 6500 65
54. 40° N latitude (pacn40.co2) 81 5.3 FB 6500 65
55. 35° N latitude (pacn35.co2) 92 6.0 FB 6500 65
56. 30° N latitude (pacn30.co2) 197 13.0 FB 6500 65
57. 25° N latitude (pacn25.co2) 198 13.0 FB 6500 65
58. 20° N latitude (pacn20.co2) 188 12.4 FB 6500 65
59 15° N latitude (pacn15.co2) 200 13.2 FB 6500 65
60. 10° N latitude (pacn10.co2) 194 12.8 FB 6500 65
61. 5° N latitude (pacn05.co2) 199 13.1 FB 6500 65
62. Equator (pac000.co2) 196 12.9 FB 6500 65
63. 5° S latitude (pacs05.co2) 206 13.6 FB 6500 65
64. 10° S latitude (pacs10.co2) 195 12.8 FB 6500 65
65. 15° S latitude (pacs15.co2) 204 13.4 FB 6500 65
66. 20° S latitude (pacs20.co2) 202 13.3 FB 6500 65
67. 25° S latitude (pacs25.co2) 197 13.0 FB 6500 65
68. 30° S latitude (pacs30.co2) 190 12.5 FB 6500 65
69. 35° S latitude (pacs35.co2) 168 11.0 FB 6500 65
Shipboard measurements from
the Pacific Ocean between
the U.S. west coast and
New Zealand aboard the
Wellington Star
70. 45° N latitude (pawn45.co2) 47 3.1 FB 6500 65
71. 40° N latitude (pawn40.co2) 54 3.5 FB 6500 65
72. 35° N latitude (pawn35.co2) 54 3.5 FB 6500 65
73. 30° N latitude (pawn30.co2) 101 6.6 FB 6500 65
74. 25° N latitude (pawn25.co2) 105 7.0 FB 6500 65
75. 20° N latitude (pawn20.co2) 95 6.2 FB 6500 65
76. 15° N latitude (pawn15.co2) 103 6.8 FB 6500 65
77. 10° N latitude (pawn10.co2) 98 6.4 FB 6500 65
78. 5° N latitude (pawn05.co2) 98 6.4 FB 6500 65
79. Equator (paw000.co2) 108 7.1 FB 6500 65
80. 5° S latitude (paws05.co2) 99 6.5 FB 6500 65
81. 10° S latitude (paws10.co2) 104 6.8 FB 6500 65
82. 15° S latitude (paws15.co2) 95 6.2 FB 6500 65
83. 20° S latitude (paws20.co2) 101 6.6 FB 6500 65
84. 25° S latitude (paws25.co2) 95 6.2 FB 6500 65
85. 30° S latitude (paws30.co2) 100 6.6 FB 6500 65
86. 35° S latitude (paws35.co2) 86 5.6 FB 6500 65
87. Palmer Station (Anvers Is.) 1588 104.8 FB 6500 65
Antarctica (psa.co2)
88. Qinghai Province, P.R.C. 401 26.4 FB 6500 65
(qpc.co2)
89. Ragged Point, Barbados 618 40.7 FB 6500 65
(rpb.co2)
Shipboard measurements from
the South China Sea between
Hong Kong and Singapore
aboard the Carla A. Hills
90. 21° S latitude (scsn21.co2) 172 11.3 FB 6500 65
91. 18° S latitude (scsn18.co2) 189 12.4 FB 6500 65
92. 15° S latitude (scsn15.co2) 195 12.8 FB 6500 65
93. 12° S latitude (scsn12.co2) 191 12.6 FB 6500 65
94. 9° S latitude (scsn09.co2) 191 12.6 FB 6500 65
95. 6° S latitude (scsn06.co2) 196 12.9 FB 6500 65
96. 3° S latitude (scsn03.co2) 184 12.1 FB 6500 65
97. Seychelles (Mahe Island), 1907 125.8 FB 6500 65
Indian Ocean (United
Kingdom) (sey.co2)
98. South Georgia Island, South 165 10.9 FB 6500 65
Atlantic Ocean (United
Kingdom) (sgi.co2)
99. Shemya Island, Alaska, 714 47.1 FB 6500 65
United States (shm.co2)
100. American Samoa, Pacific 5642 372.3 FB 6500 65
Ocean (U.S. Territory)
(smo.co2)
101. Amundsen Scott (South Pole) 2064 136.2 FB 6500 65
Antarctica (spo.co2)
102. Ocean Station "C," North 345 23.4 FB 6500 65
Atlantic Ocean (United
States) (stc.co2)
103. Ocean Station "M," 2577 170.0 FB 6500 65
Norwegian Sea (Norway)
(stm.co2)
104. Syowa Station, Antarctica 313 20.6 FB 6500 65
(syo.co2)
105. Tae-ahn Peninsula, 279 18.4 FB 6500 65
S. Korea (tap.co2)
106. Wendover, Utah, 78 5.1 FB 6500 65
United States (uta.co2)
107. Ulaan Uul, Mongolia 164 10.8 FB 6500 65
(uum.co2)
Files containing monthly
atmospheric CO2 mixing
ratios derived from flask
air samples
108. All sites (allmm.co2, 4834 101.9 FB 2000 20
41 sites does not include
data from files containing
monthly averages from
shipboard samples; files
137-150)
109. Alert, Northwest 113 2.8 FB 2000 20
Territories, Canada
(altmm.co2)
110. Amsterdam Island, Indian 115 2.8 FB 2000 20
Ocean (France) (amsmm.co2)
111. Ascension Island, Atlantic 183 4.3 FB 2000 20
Ocean (United Kingdom)
(ascmm.co2)
112. St. Croix, Virgin Islands, 148 3.5 FB 2000 20
United States (avimm.co2)
113. Azores (Terceira Island), 156 3.7 FB 2000 20
North Atlantic Ocean
(Portugal) (azrmm.co2)
114. Baltic Sea, Poland 34 1.1 FB 2000 20
(balmm.co2)
115. Bermuda (east), North 69 1.9 FB 2000 20
Atlantic Ocean (United
Kingdom) (bmemm.co2)
116. Bermuda (west), North 66 1.8 FB 2000 20
Atlantic Ocean (United
Kingdom) (bmwmm.co2)
117. Point Barrow, Alaska, 282 6.3 FB 2000 20
United States (brwmm.co2)
118. Cold Bay, Alaska, 193 4.5 FB 2000 20
United States (cbamm.co2)
119. Cape Grim, Tasmania, 127 3.1 FB 2000 20
Australia (cgomm.co2)
120. Christmas Island, 128 3.1 FB 2000 20
Kiribati (chrmm.co2)
121. Cape Meares, Oregon, 152 3.6 FB 2000 20
United States (cmomm.co2)
122. Crozet, Indian Ocean 41 1.3 FB 2000 20
(France) (crzmm.co2)
123. Guam, Pacific Ocean 188 4.4 FB 2000 20
(U.S. Territory)
(gmimm.co2)
124. Dwejra Point, Gozo, Malta 13 0.7 FB 2000 20
(gozmm.co2)
125. Halley Bay, Antarctica 142 3.4 FB 2000 20
(hbamm.co2)
126. Hegyhatsal, Hungary 20 0.8 FB 2000 20
(hunmm.co2)
127. Heimaey, Vestmannaeyjar, 25 0.9 FB 2000 20
Iceland (icemm.co2)
128. Grifton, North Carolina, 28 1.0 FB 2000 20
United States (itnmm.co2)
129. Tenerife, Canary Islands, 36 1.2 FB 2000 20
Spain (izomm.co2)
130. Key Biscayne, Florida, 263 5.9 FB 2000 20
United States (keymm.co2)
131. Cape Kumukahi, Hawaii, 224 5.1 FB 2000 20
United States (kummm.co2)
132. Mould Bay, Northwest 175 4.1 FB 2000 20
Territories, Canada
(mbcmm.co2)
133. Mace Head, County Galway, 41 1.3 FB 2000 20
Ireland (mhtmm.co2)
134. Sand Island (Midway), 114 2.8 FB 2000 20
Pacifi Ocean (United
States) (midmm.co2)
135. Mauna Loa, Hawaii, 303 6.8 FB 2000 20
United States (mlomm.co2)
136. Niwot Ridge, Colorado, 322 7.2 FB 2000 20
United States (nwrmm.co2)
Monthly mean mixing ratios
derived from shipboard
measurements in the Pacific
Ocean aboard the
Wellington Star and
Southland Star
137. 30° N latitude (pocn30mm.co2) 106 2.4 FB 2000 20
138. 25° N latitude (pocn25mm.co2) 106 2.4 FB 2000 20
139. 20° N latitude (pocn20mm.co2) 106 2.4 FB 2000 20
140. 15° N latitude (pocn15mm.co2) 106 2.4 FB 2000 20
141. 10° N latitude (pocn10mm.co2) 106 2.4 FB 2000 20
142. 5° N latitude (pocn05mm.co2) 106 2.4 FB 2000 20
143. Equator (poc000mm.co2) 106 2.4 FB 2000 20
144. 5° S latitude (pocs05mm.co2) 106 2.4 FB 2000 20
145. 10° S latitude (pocs10mm.co2) 106 2.3 FB 2000 20
146. 5° S latitude (pocs15mm.co2) 106 2.3 FB 2000 20
147. 20° S latitude (pocs20mm.co2) 106 2.4 FB 2000 20
148. 25° S latitude (pocs25mm.co2) 106 2.4 FB 2000 20
149. 30° S latitude (pocs30mm.co2) 106 2.4 FB 2000 20
150. 35° S latitude (pocs35mm.co2) 106 2.4 FB 2000 20
151. Palmer Station (Anvers Is.) 202 4.7 FB 2000 20
Antarctica (psamm.co2)
152. Qinghai Province, Peoples 38 1.1 FB 2000 20
Republic of China
(qpcmm.co2)
153. Ragged Point, Barbados 84 2.2 FB 2000 20
(rpbmm.co2)
154. Seychelles (Mahe Island) 178 4.1 FB 2000 20
(seymm.co2)
155. Shemya Island, Alaska, 110 2.7 FB 2000 20
United States (shmmm.co2)
156. American Samoa, Pacific 255 5.8 FB 2000 20
Ocean (U.S. Territory)
(smomm.co2)
157. Amundsen Scott (South Pole), 232 5.3 FB 2000 20
Antarctica (spomm.co2)
158. Ocean Station "C," North 65 1.8 FB 2000 20
Atlantic Ocean (United
States) (stcmm.co2)
159. Ocean Station "M," 164 3.9 FB 2000 20
Norwegian Sea (Norway)
(stmmm.co2)
160. Syowa Station, Antarctica 105 2.6 FB 2000 20
(syomm.co2)
161. Tae-ahn Peninsula 48 1.4 FB 2000 20
S. Korea (tapmm.co2)
162. Wendover, Utah, 18 0.8 FB 2000 20
United States (utamm.co2)
163. Ulaan Uul, Mongolia 34 1.1 FB 2000 20
(uummm.co2)
TOTAL 137,218 8,543.0
ªFixed-block record format
® SAS is the registered trademark of SAS Institute Inc., Cary, North Carolina 27511
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