Pape, Thomas; Geprägs, Patrizia; Buchheister, Stefanie; Bohrmann, Gerhard (2020): Concentrations of dissolved methane, hydrocarbon ratios, and stable carbon isotopic compositions of methane in headspace gas prepared from push core GeoB19351-14 collected Chapopote Knoll [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.912743, In: Pape, T et al. (2020): Concentrations of dissolved methane and hydrocarbon ratio from sediment cores collected at Mictlan Knoll and Chapopote Knoll [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.912749
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Keyword(s):
Related to:
Laso-Pérez, Rafael; Hahn, Cedric; van Vliet, Daan M; Tegetmeyer, Halina E; Schubotz, Florence; Smit, Nadine T; Pape, Thomas; Sahling, Heiko; Bohrmann, Gerhard; Boetius, Antje; Knittel, Katrin; Wegener, Gunter (2019): Anaerobic degradation of non-methane alkanes by “Candidatus Methanoliparia” in hydrocarbon seeps of the Gulf of Mexico. mBio, 10(4), e01814-19, https://doi.org/10.1128/mBio.01814-19
Coverage:
Latitude: 21.899900 * Longitude: -93.435183
Date/Time Start: 2015-03-20T22:46:00 * Date/Time End: 2015-03-20T22:46:00
Minimum DEPTH, sediment/rock: 0.02 m * Maximum DEPTH, sediment/rock: 0.10 m
Event(s):
GeoB19351-14 (M114/2_108-14) * Latitude: 21.899900 * Longitude: -93.435183 * Date/Time: 2015-03-20T22:46:00 * Elevation: -2925.0 m * Location: Gulf of Mexico * Campaign: M114/2 * Basis: Meteor (1986) * Method/Device: Push corer (PUC) * Comment: PC-16, at same location
Comment:
Concentrations of dissolved methane (uncorrected for sediment porosity and Bunsen coefficient), hydrocarbon ratios (C1/C2+), and stable carbon isotopic compositions (d13C-CH4) of methane in headspace gas prepared from push core GeoB19351-14 collected at Chapopote Knoll.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Method/Device of event | Method/Device | ||||
| 3 | Comment | Comment | Pape, Thomas | ROV dive/Gravity core | ||
| 4 | Site | Site | Pape, Thomas | |||
| 5 | Sample ID | Sample ID | Pape, Thomas | Subsample | ||
| 6 | Sample type | Samp type | Pape, Thomas | |||
| 7 | DEPTH, sediment/rock | Depth sed | m | Pape, Thomas | Geocode | |
| 8 | Methane | CH4 | µmol/l | Pape, Thomas | ||
| 9 | C1/C2+ hydrocarbon ratio | C1/C2+ | Pape, Thomas | |||
| 10 | δ13C, methane | δ13C CH4 | ‰ PDB | Pape, Thomas | vs. V-PDB |
License:
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC-BY-NC-SA-4.0)
Size:
32 data points
Data
| 1 Event | 2 Method/Device | 3 Comment | 4 Site | 5 Sample ID | 6 Samp type | 7 Depth sed [m] | 8 CH4 [µmol/l] | 9 C1/C2+ | 10 δ13C CH4 [‰ PDB] |
|---|---|---|---|---|---|---|---|---|---|
| GeoB19351-14 | Push corer | ROV362, PC14 | Chapopote Knoll | 56 | Headspace gas | 0.02 | 2738.4 | 39.2 | |
| GeoB19351-14 | Push corer | ROV362, PC14 | Chapopote Knoll | 57 | Headspace gas | 0.04 | 3268.8 | 30.4 | |
| GeoB19351-14 | Push corer | ROV362, PC14 | Chapopote Knoll | 58 | Headspace gas | 0.06 | 13247.8 | 5.7 | -54.5 |
| GeoB19351-14 | Push corer | ROV362, PC14 | Chapopote Knoll | 59 | Headspace gas | 0.08 | 10524.9 | 5.1 | -54.4 |
| GeoB19351-14 | Push corer | ROV362, PC14 | Chapopote Knoll | 60 | Headspace gas | 0.10 | 6645.7 | 5.3 |