Keir, Robin (2007): Methane concentration and delta 13C in water profile M62/5b-1239-CTD-LADCP, Mid Atlantik Ridge at 4-11°S, segment A2 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.669600
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Related to:
Devey, Colin W; Lackschewitz, Klas Sven (2004): Meteor Cruise No. M62, Legs 5A + 5B, 07. November - 30. December 2004, Recife - Ascension - Walvis Bay. METEOR-Berichte, Leitstelle Meteor, Institut für Meereskunde der Universität Hamburg, 04, 175 pp, hdl:10013/epic.32335.d001
Project(s):
Funding:
German Research Foundation (DFG), grant/award no. 5471797: From Mantle to Ocean: Energy-, Material- and Life-cycles at Spreading Axes
Coverage:
Latitude: -8.303330 * Longitude: -13.518330
Date/Time Start: 2004-12-06T00:00:00 * Date/Time End: 2004-12-06T00:00:00
Minimum DEPTH, water: 1978.7 m * Maximum DEPTH, water: 2857.2 m
Event(s):
M62/5b-1239-CTD-LADCP * Latitude: -8.303330 * Longitude: -13.518330 * Date/Time: 2004-12-06T00:00:00 * Elevation: -2897.0 m * Location: South Atlantic/subtropical * Campaign: M62/5b * Basis: Meteor (1986) * Method/Device: Multiple investigations (MULT) * Comment: CTD + LADCP + WC, 12 water samples taken, MAPR attached
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, water | Depth water | m | Geocode | ||
| 2 | Pressure, water | Press | dbar | Keir, Robin | CTD, Sea-Bird, SBE 911 | |
| 3 | Bottle number | Bottle | Keir, Robin | |||
| 4 | Salinity | Sal | Keir, Robin | CTD, Sea-Bird, SBE 911 | ||
| 5 | Temperature, water | Temp | °C | Keir, Robin | CTD, Sea-Bird, SBE 911 | |
| 6 | Methane | CH4 | nmol/l | Keir, Robin | Gas chromatography (partial vacuum degassing) | |
| 7 | δ13C, methane | δ13C CH4 | ‰ PDB | Keir, Robin | Continous-flow Gas chromatograph combustion isotope ratio Mass spectrometry |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
71 data points
Data
| 1 Depth water [m] | 2 Press [dbar] | 3 Bottle | 4 Sal | 5 Temp [°C] | 6 CH4 [nmol/l] | 7 δ13C CH4 [‰ PDB] |
|---|---|---|---|---|---|---|
| 1978.7 | 2000 | 13 | 34.932 | 3.3443 | 1.00360 | -22.324 |
| 2273.0 | 2300 | 12 | 34.922 | 3.0733 | 1.03430 | -21.284 |
| 2375.4 | 2400 | 11 | 34.919 | 2.9773 | 0.86314 | -25.157 |
| 2469.1 | 2500 | 9 | 34.914 | 2.8837 | 0.66514 | -24.372 |
| 2517.4 | 2550 | 8 | 34.914 | 2.8710 | 1.13860 | -18.607 |
| 2568.2 | 2600 | 7 | 34.911 | 2.8350 | 2.64220 | -14.132 |
| 2617.4 | 2650 | 6 | 34.906 | 2.7176 | 34.46500 | -15.067 |
| 2669.1 | 2700 | 5 | 34.905 | 2.6915 | 3.46250 | -15.367 |
| 2711.8 | 2750 | 4 | 34.904 | 2.6665 | 9.84000 | |
| 2765.7 | 2800 | 3 | 34.903 | 2.6553 | 10.82500 | -14.765 |
| 2813.3 | 2850 | 2 | 34.900 | 2.5933 | 5.27980 | -13.987 |
| 2857.2 | 2892 | 1 | 34.899 | 2.5777 | 2.33030 | -17.366 |