GRIP Basal Ice Gas Concentrations REFERENCE: Souchez, R., and M. Lemmens. 1995. Flow-induced mixing in the GRIP basas ice deduced from the CO2 and CH4 records. Geophysical Research Letters 22:41-44. Souchez, R., L. Janssens, M. Lemmens, and B. Stauffer. 1995. Very low oxygen concentration in basal ice from Summit, Central Greenland. Geophysical Research Letters 22:2001-2004. DATA DESCRIPTION: This file contains gas data from the GRIP basal ice. See also the files isobas.dat and xlsize.dat for more data from the GRIP basal ice. DATA: Depth (m) CO2 O2 N2 CH4 Total Air Midpoint (ppmv) (%) (%) (ppmv) (ml/g) 3022.285 410 999999 999999 0.642 0.098 3022.319 527 20.807 79.14 999999 999999 3022.47 640 999999 999999 0.575 0.084 3022.623 5900 999999 999999 110 0.068 3022.681 6573 19.774 79.569 999999 999999 3022.93 6800 999999 999999 500 0.077 3023.32 3400 999999 999999 5.9 0.087 3023.405 2921 18.802 80.906 999999 999999 3023.598 13034 15.879 82.818 999999 999999 3023.684 12900 999999 999999 800 0.077 3023.845 29585 14.657 82.384 999999 999999 3024.05 30800 999999 999999 1200 0.08 3024.326 95192 11.221 79.26 999999 999999 3024.396 66700 999999 999999 3500 0.068 3024.667 38318 12.612 83.556 999999 999999 3024.744 30100 999999 999999 1400 0.07 3024.995 63508 11.24 82.409 999999 999999 3025.06 53100 999999 999999 2500 0.063 3025.12 53702 10.466 84.164 999999 999999 3025.421 99484 9.82 80.232 999999 999999 3025.491 63300 999999 999999 3900 0.058 3025.7 54400 999999 999999 1600 0.074 3025.946 50859 10.702 84.212 999999 999999 3026.165 59754 10.021 84.003 999999 999999 3026.235 53600 999999 999999 2500 0.065 3026.445 67500 999999 999999 3300 0.068 3026.515 69058 9.66 83.435 999999 999999 3026.58 54400 999999 999999 2400 0.072 3026.745 59562 9.377 84.666 999999 999999 3027.145 81571 8.508 83.335 999999 999999 3027.321 99100 999999 999999 4600 0.059 3027.458 89105 6.42 84.669 999999 999999 3027.596 85441 6.269 85.187 999999 999999 3027.905 119000 999999 999999 5600 0.051 3027.975 111047 4.849 84.046 999999 999999 3028.216 999999 999999 999999 999999 999999 3028.285 131100 999999 999999 6100 0.048 3028.525 97299 3.38 86.891 999999 999999