Pohlman, John W; Kaneko, Masanori; Heuer, Verena B; Coffin, R B; Whiticar, Michael J (2010): (Supplementary Table) C1/C2 and isotopic properties (δ¹³C and dD) of void gas CH4 and CO2 from the IODP Expedition 311 transect sites [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.737377, In supplement to: Pohlman, JW et al. (2009): Methane sources and production in the northern Cascadia margin gas hydrate system. Earth and Planetary Science Letters, 287(3-4), 504-512, https://doi.org/10.1016/j.epsl.2009.08.037
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Project(s):
Coverage:
Median Latitude: 48.672014 * Median Longitude: -126.918725 * South-bound Latitude: 48.627133 * West-bound Longitude: -127.000845 * North-bound Latitude: 48.789583 * East-bound Longitude: -126.678667
Minimum DEPTH, sediment/rock: 6.05 m * Maximum DEPTH, sediment/rock: 299.31 m
Event(s):
311-U1325B * Latitude: 48.644900 * Longitude: -126.983317 * Elevation: -2194.8 m * Recovery: 141.17 m * Campaign: Exp311 (Cascadia Margin Gas Hydrates) * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 28 cores; 205.5 m cored; 68.7 % recovered; 1 m drilled; 206.5 m penetrated
311-U1325C * Latitude: 48.645017 * Longitude: -126.983450 * Elevation: -2194.8 m * Recovery: 62.49 m * Campaign: Exp311 (Cascadia Margin Gas Hydrates) * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 15 cores; 115.5 m cored; 54.1 % recovered; 188.8 m drilled; 304.3 m penetrated
311-U1326C * Latitude: 48.627300 * Longitude: -127.000840 * Elevation: -1828.0 m * Recovery: 54.39 m * Campaign: Exp311 (Cascadia Margin Gas Hydrates) * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 13 cores; 85.7 m cored; 63.5 % recovered; 1 m drilled; 86.7 m penetrated
Comment:
C1/C2: 311-U1325C-15X-3,75-76=not available, see also doi:10.1594/PANGAEA.732914
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 3 | Methane/ethane ratio | C1/C2 | Pohlman, John W | see reference(s) | from Riedel et al. (2006) | |
| 4 | δ13C, methane, atmospheric | δ13C CH4 | ‰ PDB | Pohlman, John W | Gas chromatography - Isotope ratio mass spectrometer (GC-IRMS) | VPDB |
| 5 | δ Deuterium, methane | δD CH4 | ‰ SMOW | Pohlman, John W | see reference(s) | VSMOW |
| 6 | δ13C, carbon dioxide, atmospheric | δ13C CO2 | ‰ PDB | Pohlman, John W | Gas chromatography - Isotope ratio mass spectrometer (GC-IRMS) | VPDB |
| 7 | Sample code/label | Sample label | Pohlman, John W |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
624 data points