Table T9. Recalculation of headspace gas CH4 concentrations as microliter CH4 per liter of wet sediment and as millimolar dissolved CH4 in pore water, Site 1165.
|
Core,
section,
interval (cm) |
Depth
(mbsf) |
Sample
weight (g) |
Sample
volume (mL)* |
CH4
(mL/L)† |
CH4
(mM)‡ |
|---|---|---|---|---|---|
| 188-1165B- | |||||
| 1H-5, 0-5 | 6.00 | 6.5 | 4.4 | 7 | 0 |
| 2H-5, 0-5 | 12.80 | 6.6 | 4.4 | 7 | 0 |
| 3H-5, 0-5 | 22.30 | 7.3 | 4.9 | 15 | 0 |
| 4H-5, 0-5 | 31.80 | 6.6 | 4.4 | 35 | 0 |
| 5H-5, 0-5 | 41.30 | 7.4 | 4.9 | 46 | 0 |
| 6H-5, 0-5 | 50.80 | 4.6 | 3.1 | 133 | 0 |
| 8H-5, 0-5 | 69.80 | 5.2 | 3.4 | 231 | 0 |
| 9H-5, 0-5 | 79.30 | 5.9 | 3.9 | 298 | 0 |
| 10H-5, 0-5 | 88.80 | 9.6 | 6.3 | 228 | 0 |
| 11H-5, 0-5 | 98.25 | 7.5 | 4.9 | 482 | 0 |
| 13H-5, 0-5 | 112.30 | 6.6 | 4.3 | 901 | 0.1 |
| 14H-5, 0-5 | 121.65 | 6.5 | 4.2 | 1,146 | 0.1 |
| 15H-5, 0-5 | 128.30 | 6.2 | 4.0 | 1,334 | 0.1 |
| 16H-5, 0-5 | 133.54 | 5.6 | 3.6 | 1,950 | 0.1 |
| 17H-5, 0-5 | 144.30 | 7.2 | 4.6 | 1,401 | 0.1 |
| 19X-5, 0-5 | 149.80 | 7.3 | 4.7 | 3,282 | 0.2 |
| 20X-5, 0-5 | 162.20 | 8.4 | 5.4 | 5,644 | 0.4 |
| 21X-5, 0-5 | 170.30 | 7.3 | 4.7 | 14,185 | 1.0 |
| 22X-5, 0-5 | 181.50 | 8.5 | 5.4 | 20,317 | 1.4 |
| 23X-5, 0-5 | 191.10 | 8.2 | 5.2 | 31,696 | 2.2 |
| 24X-5, 0-5 | 196.20 | 5.9 | 3.7 | 34,212 | 2.4 |
| 27X-5, 0-5 | 228.00 | 6.0 | 3.8 | 70,027 | 4.9 |
| 28X-5, 0-5 | 239.10 | 7.4 | 4.6 | 73,546 | 5.2 |
| 30X-5, 0-5 | 252.40 | 5.3 | 3.3 | 6,870 | 0.5 |
| 32X-5, 0-5 | 265.00 | 7.1 | 4.4 | 98,416 | 7.1 |
| 33X-5, 0-5 | 279.10 | 7.6 | 4.7 | 84,721 | 6.2 |
| 34X-5, 0-5 | 287.20 | 7.2 | 4.4 | 95,715 | 7.0 |
| 35X-5, 0-5 | 296.50 | 6.4 | 3.9 | 70,832 | 5.2 |
| 36X-5, 0-5 | 305.80 | 8.0 | 4.9 | 76,511 | 5.7 |
| 37X-5, 0-5 | 315.10 | 6.9 | 4.2 | 80,989 | 6.1 |
| 38X-5, 0-5 | 324.70 | 7.3 | 4.4 | 45,785 | 3.4 |
| 39X-5, 0-5 | 334.40 | 7.9 | 4.8 | 75,453 | 5.7 |
| 40X-5, 0-5 | 342.05 | 4.7 | 2.8 | 86,061 | 6.6 |
| 41X-5, 0-5 | 352.10 | 6.3 | 3.8 | 70,278 | 5.4 |
| 42X-5, 0-5 | 363.23 | 8.5 | 5.1 | 94,448 | 7.3 |
| 43X-5, 0-5 | 372.90 | 7.5 | 4.4 | 81,916 | 6.4 |
| 44X-5, 0-5 | 382.50 | 6.3 | 3.7 | 65,127 | 5.1 |
| 45X-5, 0-5 | 392.10 | 7.5 | 4.4 | 85,401 | 6.7 |
| 46X-5, 0-5 | 401.70 | 7.7 | 4.5 | 75,497 | 6.0 |
| 48X-5, 0-5 | 420.90 | 8.8 | 5.1 | 99,953 | 8.0 |
| 49X-5, 0-5 | 430.60 | 7.5 | 4.3 | 95,415 | 7.7 |
| 50X-5, 0-5 | 440.20 | 8.4 | 4.8 | 102,641 | 8.4 |
| 51X-5, 0-5 | 448.30 | 8.8 | 5.0 | 99,992 | 8.2 |
| 52X-5, 0-5 | 456.40 | 5.4 | 3.1 | 74,688 | 6.2 |
| 53X-5, 0-5 | 469.00 | 6.5 | 3.7 | 83,340 | 7.0 |
| 54X-5, 0-5 | 478.60 | 7.3 | 4.1 | 33,135 | 2.8 |
| 55X-5, 0-5 | 486.80 | 9.9 | 5.6 | 90,400 | 7.6 |
| 56X-5, 0-5 | 494.85 | 6.0 | 3.4 | 37,258 | 3.2 |
| 57X-5, 0-5 | 504.40 | 8.0 | 4.5 | 208,709 | 17.9 |
| 58X-5, 0-5 | 514.00 | 9.7 | 5.4 | 93,046 | 8.0 |
| 59X-5, 0-5 | 526.72 | 8.2 | 4.5 | 160,838 | 14.0 |
| 60X-5, 0-5 | 533.30 | 7.3 | 4.0 | 118,006 | 10.3 |
| 62X-5, 0-5 | 552.60 | 9.9 | 5.4 | 88,280 | 7.9 |
| 64X-5, 0-5 | 571.80 | 13.4 | 7.3 | 87,251 | 7.9 |
| 65X-5, 0-5 | 578.40 | 8.2 | 4.4 | 120,803 | 11.0 |
| 66X-5, 0-5 | 594.00 | 12.8 | 6.9 | 157,505 | 14.5 |
| 68X-5, 0-5 | 607.30 | 9.6 | 5.1 | 101,452 | 9.4 |
| 72X-5, 0-5 | 636.20 | 12.4 | 6.5 | 74,162 | 7.1 |
| 73X-5, 0-5 | 645.80 | 9.3 | 4.9 | 81,724 | 7.9 |
| 74X-5, 0-5 | 658.40 | 8.2 | 4.3 | 69,951 | 6.8 |
| 75X-5, 0-5 | 665.00 | 7.4 | 3.8 | 30,415 | 3.0 |
| 188-1165C- | |||||
| 1R-5, 0-5 | 60.00 | 11.9 | 7.9 | 63 | 0 |
| 2R-5, 0-5 | 677.48 | 10.1 | 5.2 | 109,524 | 10.8 |
| 3R-5, 0-5 | 687.74 | 8.7 | 4.5 | 101,977 | 10.2 |
| 5R-5, 0-5 | 707.08 | 11.6 | 5.9 | 112,547 | 11.4 |
| 6R-5, 0-5 | 716.56 | 9.1 | 4.6 | 97,123 | 9.9 |
| 7R-5, 0-5 | 724.91 | 10.4 | 5.2 | 93,064 | 9.6 |
| 8R-5, 0-5 | 735.65 | 9.7 | 4.9 | 124,544 | 13.0 |
| 9R-5, 0-5 | 745.86 | 14.2 | 7.1 | 171,008 | 18.0 |
| 10R-5, 0-5 | 754.00 | 9.7 | 4.8 | 163,024 | 17.3 |
| 11R-5, 0-5 | 765.10 | 12.8 | 6.3 | 168,000 | 18.0 |
| 12R-5, 0-5 | 774.70 | 13.4 | 6.6 | 207,584 | 22.5 |
| 13R-5, 0-5 | 781.30 | 13.5 | 6.6 | 179,104 | 19.5 |
| 14R-5, 0-5 | 791.00 | 10.6 | 5.2 | 213,860 | 23.5 |
| 15R-5, 0-5 | 803.60 | 10.5 | 5.1 | 239,311 | 26.6 |
| 16R-5, 0-5 | 813.00 | 8.2 | 4.0 | 181,779 | 20.4 |
| 17R-5, 0-5 | 821.00 | 10.1 | 4.9 | 229,959 | 26.0 |
| 18R-5, 0-5 | 835.10 | 10.8 | 5.2 | 181,323 | 20.8 |
| 19R-5, 0-5 | 843.20 | 8.2 | 3.9 | 188,115 | 21.8 |
| 20R-5, 0-5 | 851.40 | 10.4 | 4.9 | 111,955 | 13.1 |
| 21R-5, 0-5 | 856.50 | 11.2 | 5.3 | 80,902 | 9.5 |
| 22R-5, 0-5 | 870.70 | 10.5 | 4.9 | 121,625 | 14.5 |
| 23R-5, 0-5 | 880.30 | 10.8 | 5.0 | 178,874 | 21.6 |
| 24R-5, 0-5 | 886.90 | 11.5 | 5.3 | 171,865 | 20.9 |
| 25R-5, 0-5 | 895.10 | 12.4 | 5.7 | 189,801 | 23.2 |
| 26R-5, 0-5 | 906.20 | 10.7 | 4.9 | 189,907 | 23.5 |
| 27R-5, 0-5 | 917.30 | 9.4 | 4.3 | 154,817 | 19.4 |
| 28R-5, 0-5 | 928.50 | 8.8 | 4.0 | 241,344 | 30.7 |
| 29R-5, 0-5 | 937.70 | 3.8 | 1.7 | 259,941 | 33.4 |
| 30R-5, 0-5 | 947.30 | 10.3 | 4.6 | 220,206 | 28.6 |
| 31R-5, 0-5 | 957.00 | 8.8 | 3.9 | 152,870 | 20.1 |
| 32R-5, 0-5 | 962.10 | 9.3 | 4.2 | 206,770 | 27.3 |
| 34R-2, 0-5 | 981.30 | 13.7 | 6.1 | 166,049 | 22.5 |
| 35R-5, 0-5 | 995.50 | 8.8 | 3.9 | 218,720 | 30.1 |
Notes: * = sample weight / density, where density = [0.0000004 (depth) 2 + 0.0004 (depth) + 1.4832 ]. † = ppmv CH4 x [ ( 20 - sample volume ) / sample volume ]. ‡ = µL / L CH4 / ( f x 1000 x 22.4 ) , where f = - 0.0004 x depth + 0.7224.