Pohlman, John W; Kaneko, Masanori; Heuer, Verena B; Coffin, R B; Whiticar, Michael J (2010): (Table 1) Site information, sedimentation rates and organic matter residence times for the IODP Expedition 311 transect [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.737381, 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
Always quote citation above when using data! You can download the citation in several formats below.
Project(s):
Coverage:
Median Latitude: 48.656728 * Median Longitude: -126.949798 * South-bound Latitude: 48.627133 * West-bound Longitude: -127.000845 * North-bound Latitude: 48.698150 * East-bound Longitude: -126.865233
Minimum Elevation: -2194.8 m * Maximum Elevation: -1304.5 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-U1326D * Latitude: 48.627133 * Longitude: -127.000845 * Elevation: -1827.9 m * Recovery: 121.96 m * Campaign: Exp311 (Cascadia Margin Gas Hydrates) * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 20 cores; 192.6 m cored; 63.3 % recovered; 107.4 m drilled; 300 m penetrated
311-U1327C * Latitude: 48.698150 * Longitude: -126.865233 * Elevation: -1304.5 m * Recovery: 262.17 m * Campaign: Exp311 (Cascadia Margin Gas Hydrates) * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 35 cores; 297 m cored; 88.3 % recovered; 3 m drilled; 300 m penetrated
Comment:
GHSZ: gas hydrate stability zone; SRZ: sulfate reduction zone; pGHOZ: potential gas hydrate occurrence zon.pGHOZ (m)=GHSZ (m)-SRZ (m).
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Elevation of event | Elevation | m | |||
| 2 | Sample code/label | Sample label | Pohlman, John W | |||
| 3 | Distance | Distance | km | Pohlman, John W | from the defrormation front, from Riedel et al. (2006) | |
| 4 | Carbon, organic, total | TOC | % | Pohlman, John W | see reference(s) | average TOC, from Riedel et al. (2006) |
| 5 | Depth, reference | Depth ref | m | Pohlman, John W | base GHSZ, from Riedel et al. (2006) | |
| 6 | Thickness | Thick | mm | Pohlman, John W | of GHOZ, from Malinvemo et al. (2008) | |
| 7 | Sedimentation rate | SR | cm/ka | Pohlman, John W | Calculated, see reference(s) | in pGHOZ |
| 8 | Depth, reference | Depth ref | m | Pohlman, John W | base of SRZ, from Riedel et al. (2006) | |
| 9 | Time resolution | Time res | ka | Pohlman, John W | Time in SRZ, from Eq. 10 | |
| 10 | Thickness | Thick | mm | Pohlman, John W | of pGHOZ | |
| 11 | Time resolution | Time res | ka | Pohlman, John W | in pGHOZ, from Eq. 10 |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
40 data points
Data
| 1 Elevation [m] | 2 Sample label | 3 Distance [km] (from the defrormation front, ...) | 4 TOC [%] (average TOC, from Riedel et a...) | 5 Depth ref [m] (base GHSZ, from Riedel et al....) | 6 Thick [mm] (of GHOZ, from Malinvemo et al...) | 7 SR [cm/ka] (in pGHOZ, Calculated, see ref...) | 8 Depth ref [m] (base of SRZ, from Riedel et a...) | 9 Time res [ka] (Time in SRZ, from Eq. 10) | 10 Thick [mm] (of pGHOZ) | 11 Time res [ka] (in pGHOZ, from Eq. 10) |
|---|---|---|---|---|---|---|---|---|---|---|
| -1828 | U1326 | 5 | 0.40 | 264 | 217000 | 26.3 | 2.90 | 1.10 | 261000 | 0.10 |
| -2195 | U1325 | 11 | 0.48 | 241 | 168000 | 19.6 | 4.50 | 2.30 | 237000 | 0.12 |
| U1326 | 21 | 0.78 | 230 | 119000 | 18.0 | 9.30 | 5.20 | 221000 | 0.12 | |
| -1304 | U1327 | 38 | 0.88 | 124 | 0 | 8.9 | 10.90 | 12.20 | 113000 | 0.11 |