Fisher, Rebecca E; Nisbet, Euan G (2015): Methane mole fraction and δ¹³C measurements for air collected during cruise MSM21 /4 [dataset]. Department of Earth Sciences, Royal Holloway University of London, PANGAEA, https://doi.org/10.1594/PANGAEA.856077
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Published: 2015-12-18 • DOI registered: 2016-01-18
Related to:
Graves, Carolyn; Steinle, Lea; Rehder, Gregor; Niemann, Helge; Connelly, Douglas P; Lowry, David; Fisher, Rebecca E; Stott, Andrew W; Sahling, Heiko; James, Rachael H (2015): Fluxes and fate of dissolved methane released at the seafloor at the landward limit of the gas hydrate stability zone offshore western Svalbard. Journal of Geophysical Research: Oceans, 120(9), 6185-6201, https://doi.org/10.1002/2015JC011084
Coverage:
Median Latitude: 75.439862 * Median Longitude: 4.364398 * South-bound Latitude: 57.617500 * West-bound Longitude: -21.488133 * North-bound Latitude: 80.223933 * East-bound Longitude: 9.467000
Date/Time Start: 2012-08-14T09:37:00 * Date/Time End: 2012-09-09T12:48:00
Event(s):
MSM21/4-track * Latitude Start: 64.154400 * Longitude Start: -21.928900 * Latitude End: 53.327100 * Longitude End: 7.183000 * Date/Time Start: 2012-08-12T00:00:00 * Date/Time End: 2012-09-11T00:00:00 * Campaign: MSM21/4 * Basis: Maria S. Merian * Method/Device: Underway cruise track measurements (CT) * Comment: Reykjavik - Emden
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Fisher, Rebecca E | sample number | ||
| 2 | DATE/TIME | Date/Time | Fisher, Rebecca E | Geocode | ||
| 3 | Area/locality | Area | Fisher, Rebecca E | collection site | ||
| 4 | LATITUDE | Latitude | Fisher, Rebecca E | Geocode | ||
| 5 | LONGITUDE | Longitude | Fisher, Rebecca E | Geocode | ||
| 6 | Wind speed | ff | m/s | Fisher, Rebecca E | ||
| 7 | Wind direction | dd | deg | Fisher, Rebecca E | ||
| 8 | Temperature, air | TTT | °C | Fisher, Rebecca E | ||
| 9 | Pressure, atmospheric | PPPP | hPa | Fisher, Rebecca E | ||
| 10 | Methane | CH4 | ppmv | Fisher, Rebecca E | mol fraction | |
| 11 | δ13C, methane, atmospheric | δ13C CH4 | ‰ PDB | Fisher, Rebecca E | ||
| 12 | δ13C, methane, standard deviation | δ13C CH4 std dev | ± | Fisher, Rebecca E |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
196 data points
Data
| 1 Sample label | 2 Date/Time | 3 Area | 4 Latitude | 5 Longitude | 6 ff [m/s] | 7 dd [deg] | 8 TTT [°C] | 9 PPPP [hPa] | 10 CH4 [ppmv] | 11 δ13C CH4 [‰ PDB] | 12 δ13C CH4 std dev [±] |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2012-08-14T09:37:00 | In transit-Reykjavik to Svalbard, 24hrs after departure | 67.44408333 | -21.488133330 | 11.42000 | 60.0 | 7.80 | 1007.0 | 1.875 | -47.35 | 0.08 |
| 2 | 2012-08-15T09:43:00 | In transit-Reykjavik to Svalbard, 48hrs after departure | 71.22998333 | -13.044166670 | 9.05000 | 174.0 | 6.50 | 1014.3 | 1.867 | -47.30 | 0.05 |
| 3 | 2012-08-16T10:20:00 | In transit-Reykjavik to Svalbard, 72hrs after departure | 75.48630000 | -1.323416667 | 11.57000 | 329.0 | 2.20 | 1020.4 | 1.871 | -47.35 | 0.06 |
| 4 | 2012-08-17T08:19:00 | offshore GHSZ flare site abt 1300m water depth | 78.61115000 | 7.590083333 | 7.97000 | 183.0 | 5.40 | 1019.2 | 1.887 | -47.39 | 0.05 |
| 5 | 2012-08-18T09:38:00 | offshore GHSZ flare site abt 475m depth, coming into position over masox lander | 78.56530000 | 9.272666667 | 6.28000 | 340.0 | 4.20 | 1018.3 | 1.889 | -47.44 | 0.09 |
| 6 | 2012-08-19T09:56:00 | GHSZ flare site area, starting siesmic lines | 78.55441667 | 9.467000000 | 9.41000 | 191.0 | 4.90 | 1021.0 | 1.883 | -47.45 | 0.07 |
| 7 | 2012-08-20T08:57:00 | GHSZ flare site area, doing siesmic lines | 78.51848333 | 8.185333333 | 12.96000 | 283.0 | 4.10 | 1015.0 | 1.888 | -47.43 | 0.07 |
| 8 | 2012-08-21T09:13:00 | at the ice edge N of Svalbard | 80.05671667 | 5.078566667 | 11.57000 | 307.0 | -1.00 | 1016.2 | 1.888 | -47.51 | 0.06 |
| 9 | 2012-08-23T15:08:00 | nr Masox lander site, 385m depth | 78.55508333 | 9.353366667 | 6.33000 | 23.0 | 4.50 | 1007.0 | 1.899 | -47.58 | 0.09 |
| 11 | 2012-08-26T14:21:00 | heading N from Svalbard to ice edge | 78.67926667 | 3.881150000 | 12.71000 | 51.0 | 4.00 | 1002.0 | 1.898 | -47.55 | 0.06 |
| 12 | 2012-08-27T09:53:00 | approaching ice edge N of Svalbard | 80.22393333 | 3.284400000 | 8.33000 | 42.0 | -5.00 | 1003.1 | 1.882 | -47.41 | 0.06 |
| 13 | 2012-08-28T15:22:00 | back nr GHSZ flare site area | 78.54066667 | 9.426833333 | 11.52000 | 192.0 | 5.00 | 1001.8 | 1.891 | -47.44 | 0.04 |
| 14 | 2012-08-29T10:07:00 | offshore GHSZ flare site abt 2500m water depth | 78.65323333 | 7.653166667 | 6.53000 | 67.0 | 6.20 | 1005.0 | 1.893 | -47.46 | 0.05 |
| 15 | 2012-08-30T09:18:00 | offshore GHSZ flare site abt 580m water depth | 78.55546667 | 9.104416667 | 12.09000 | 153.0 | 6.70 | 1002.1 | 1.899 | -47.61 | 0.07 |
| 17 | 2012-09-01T10:26:00 | offshore GHSZ flare region abt 2350m depth | 78.51400000 | 6.347050000 | 12.09201 | 4.30 | 998.2 | 1.886 | -47.52 | 0.04 | |
| 18 | 2012-09-02T11:33:00 | at GHSZ flare region | 78.62490000 | 7.465466667 | 3.81000 | 127.0 | 5.80 | 992.3 | 1.889 | -47.44 | 0.04 |
| 19 | 2012-09-03T10:03:00 | 78.78011667 | 6.708666667 | 16.05000 | 21.0 | 3.70 | 993.6 | 1.887 | -47.49 | 0.05 | |
| 20 | 2012-09-04T09:23:00 | heading South from Svalbard twds port in Germany | 77.94233333 | 9.414550000 | 5.14000 | 10.0 | 5.80 | 988.7 | 1.887 | -47.56 | 0.02 |
| 21 | 2012-09-05T09:02:00 | heading South from Svalbard twds port in Germany | 73.25253333 | 6.866416667 | 11.16000 | 8.0 | 6.60 | 990.6 | 1.888 | -47.46 | 0.10 |
| 22 | 2012-09-06T10:35:00 | heading South from Svalbard twds port in Germany | 68.27766667 | 5.067833333 | 8.90000 | 160.0 | 9.10 | 997.4 | 1.882 | -47.39 | 0.04 |
| 23 | 2012-09-07T09:18:00 | heading South from Svalbard twds port in Germany | 64.99383333 | 4.938166667 | 12.96000 | 266.0 | 8.60 | 994.1 | 1.872 | -47.33 | 0.04 |
| 25 | 2012-09-09T12:48:00 | in Northren North Sea | 57.61750000 | 2.767350000 | 14.60000 | 178.0 | 15.60 | 1007.9 | 1.958 | -47.68 | 0.00 |