Keir, Robin; Schmale, Oliver; Walter, Maren; Sültenfuß, Jürgen; Seifert, Richard; Rhein, Monika (2008): (Appendix A) Methane and helium isotope data in water profile M62/5b-1265-CTD-LADCP [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.706714, In supplement to: Keir, R et al. (2008): Flux and dispersion of gases from the "Drachenschlund" hydrothermal vent at 8°18'S, 13°30'W on the Mid-Atlantic Ridge. Earth and Planetary Science Letters, 270, 338-348, https://doi.org/10.1016/j.epsl.2008.03.054
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Project(s):
Funding:
German Research Foundation (DFG), grant/award no. 5471797: From Mantle to Ocean: Energy-, Material- and Life-cycles at Spreading Axes
Coverage:
Median Latitude: -8.303330 * Median Longitude: -13.511665 * South-bound Latitude: -8.306660 * West-bound Longitude: -13.515000 * North-bound Latitude: -8.300000 * East-bound Longitude: -13.508330
Date/Time Start: 2004-12-11T00:00:00 * Date/Time End: 2004-12-11T00:00:00
Minimum DEPTH, water: 2470.8 m * Maximum DEPTH, water: 2880.9 m
Event(s):
M62/5b-1265-CTD-LADCP * Latitude Start: -8.306660 * Longitude Start: -13.508330 * Latitude End: -8.300000 * Longitude End: -13.515000 * Date/Time: 2004-12-11T00:00:00 * Elevation Start: -2874.0 m * Elevation End: -2909.0 m * Location: South Atlantic/subtropical * Campaign: M62/5b * Basis: Meteor (1986) * Method/Device: Multiple investigations (MULT) * Comment: JoJo-CTD + LADCP + WC, 18 water samples taken, MAPR attached
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, water | Depth water | m | Geocode | ||
| 2 | Bottle number | Bottle | Keir, Robin | |||
| 3 | Methane | CH4 | nmol/l | Keir, Robin | Gas chromatography | |
| 4 | Helium, dHe-3 | DELHE3 | % | Keir, Robin | Mass spectrometer MAP215-50 |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
50 data points
Data
| 1 Depth water [m] | 2 Bottle | 3 CH4 [nmol/l] | 4 DELHE3 [%] |
|---|---|---|---|
| 2470.8 | 20 | 2.18 | 3.86 |
| 2617.8 | 19 | 5.53 | |
| 2656.8 | 8 | 7.80 | 5.14 |
| 2666.1 | 4 | 7.22 | 4.81 |
| 2666.4 | 18 | 6.42 | 3.88 |
| 2666.5 | 14 | 5.77 | |
| 2667.2 | 11 | 6.58 | 4.88 |
| 2685.8 | 7 | 7.61 | |
| 2715.0 | 3 | 7.03 | 3.86 |
| 2715.8 | 17 | 7.62 | 4.23 |
| 2716.3 | 13 | 8.15 | 4.77 |
| 2716.5 | 6 | 8.16 | 4.78 |
| 2726.5 | 5 | 8.20 | |
| 2764.5 | 2 | 6.10 | 4.78 |
| 2765.0 | 9 | 8.96 | 4.72 |
| 2765.3 | 16 | 9.51 | 4.92 |
| 2765.9 | 12 | 8.84 | 4.83 |
| 2880.9 | 15 | 2.41 | 3.99 |