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Verdugo, Josefa; Damm, Ellen (2021): Methane concentration and its isotopic composition in seawater during POLARSTERN cruise PS106/1 (ARK-XXXI/1.1) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.937083, In: Verdugo, J; Damm, E (2021): Biogeochemical data during POLARSTERN cruise PS106/1 (ARK-XXXI/1.1) [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.937242

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Abstract:
The methane concentration and stable carbon isotopic signature of methane were measured in different Arctic sea ice types as well as in seawater underneath the ice floe during the Polarstern expedition PS106.1. The ice drift took place between 4 - 15 June 2017, north of Svalbard (Macke and Flores, 2018). Sea ice cores were collected using a Kovacs Mark II 9cm drill ice corer. In all ice stations, the first ice core was used for in situ ice temperature measurements, and the second one for methane concentration, stable carbon isotopic signature of methane, bulk ice salinity and nutrient concentrations (Verdugo et al., 2021). Seawater samples were collected using a shipboard Sea-Bird Scientific SBE 911plus CTD (conductivity–temperature– depth) profiler equipped with ancillary sensors and integrated with a SBE32 CarouselWater Sampler with 24 Niskin bottles of 12L each (Macke and Flores, 2018).
Keyword(s):
Arctic; Methane concentration; seawater; stable carbon isotopic composition of methane
Related to:
Macke, Andreas; Flores, Hauke (2018): The Expeditions PS106/1 and 2 of the Research Vessel POLARSTERN to the Arctic Ocean in 2017. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 719, 171 pp, https://doi.org/10.2312/BzPM_0719_2018
Nikolopoulos, Anna; Linders, Torsten; Rohardt, Gerd (2018): Physical oceanography during POLARSTERN cruise PS106/1 (ARK-XXXI/1.1). Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.885442
Rohardt, Gerd (2018): CTD Data Processing Report - RV POLARSTERN Cruise PS106. 21 pp, hdl:10013/epic.c9984524-5015-444a-90f9-f8f28d120415
Verdugo, Josefa; Damm, Ellen; Nikolopoulos, Anna (2021): Methane cycling within sea ice: results from drifting ice during late spring, north of Svalbard. The Cryosphere, 15(6), 2701-2717, https://doi.org/10.5194/tc-15-2701-2021
Funding:
Agencia Nacional de Investigación y Desarrollo (ANID), grant/award no. 2016-62150023
German Academic Exchange Service (DAAD), grant/award no. 91609942
Coverage:
Median Latitude: 81.560542 * Median Longitude: 10.600470 * South-bound Latitude: 80.442000 * West-bound Longitude: 7.287000 * North-bound Latitude: 81.949000 * East-bound Longitude: 11.522000
Date/Time Start: 2017-06-01T00:00:00 * Date/Time End: 2017-06-18T00:00:00
Minimum DEPTH, water: 1.1 m * Maximum DEPTH, water: 300.0 m
Event(s):
PS106_17-2  * Latitude: 80.441650 * Longitude: 7.286810 * Date/Time: 2017-06-01T10:35:00 * Elevation: -693.0 m * Location: North Greenland Sea * Campaign: PS106/1 (ARK-XXXI/1.1,PASCAL) * Basis: Polarstern * Method/Device: CTD/Rosette (CTD-RO)
PS106_21-1  * Latitude: 81.948530 * Longitude: 10.388110 * Date/Time: 2017-06-04T05:27:00 * Elevation: -1000.0 m * Location: Arctic Ocean * Campaign: PS106/1 (ARK-XXXI/1.1,PASCAL) * Basis: Polarstern * Method/Device: CTD/Rosette (CTD-RO)
PS106_22-2  * Latitude: 81.937570 * Longitude: 10.943270 * Date/Time: 2017-06-05T08:31:00 * Elevation: -1078.0 m * Location: Arctic Ocean * Campaign: PS106/1 (ARK-XXXI/1.1,PASCAL) * Basis: Polarstern * Method/Device: CTD/Rosette (CTD-RO)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Event labelEventVerdugo, Josefa
DATE/TIMEDate/TimeVerdugo, JosefaGeocode
LATITUDELatitudeVerdugo, JosefaGeocode
LONGITUDELongitudeVerdugo, JosefaGeocode
Station labelStationVerdugo, Josefa
DEPTH, waterDepth watermVerdugo, JosefaGeocode
MethaneCH4nmol/lVerdugo, JosefaGas chromatograph, Agilent 7890, coupled with a flame ionization detector
Methane saturationMethane sat%Verdugo, JosefaCalculated
δ13C, methaneδ13C CH4‰ PDBVerdugo, Josefa
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
331 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Event

Date/Time

Latitude

Longitude

Station

Depth water [m]

CH4 [nmol/l]

Methane sat [%]

δ13C CH4 [‰ PDB]
PS106_17-2 2017-06-0180.4427.28717-2200.04.8139-39.108
PS106_17-22017-06-0180.4427.28717-2100.04.7139-39.227
PS106_17-22017-06-0180.4427.28717-250.04.4129-38.738
PS106_17-22017-06-0180.4427.28717-219.04.7129-38.983
PS106_17-22017-06-0180.4427.28717-215.04.8122-38.820
PS106_17-22017-06-0180.4427.28717-210.05.1129-38.715
PS106_17-22017-06-0180.4427.28717-21.35.4136-39.300
PS106_21-1 2017-06-0481.94910.38821-1200.04.1115-42.295
PS106_21-12017-06-0481.94910.38821-1100.04.2109-43.219
PS106_21-12017-06-0481.94910.38821-150.04.4110-40.506
PS106_21-12017-06-0481.94910.38821-125.04.5113-42.663
PS106_21-12017-06-0481.94910.38821-110.04.7119-40.360
PS106_21-12017-06-0481.94910.38821-11.14.4109-42.931
PS106_22-2 2017-06-0581.93810.94322-2300.04.2118
PS106_22-22017-06-0581.93810.94322-2200.04.2119-43.385
PS106_22-22017-06-0581.93810.94322-2100.04.2110-40.580
PS106_22-22017-06-0581.93810.94322-275.04.3108-40.708
PS106_22-22017-06-0581.93810.94322-250.04.7117-41.345
PS106_22-22017-06-0581.93810.94322-225.04.3107-40.771
PS106_22-22017-06-0581.93810.94322-29.84.5112-44.172
PS106_22-22017-06-0581.93810.94322-21.54.4109-39.942
PS106_23-3 2017-06-0681.94910.88623-3200.04.3122-43.488
PS106_23-32017-06-0681.94910.88623-3100.04.0104-43.003
PS106_23-32017-06-0681.94910.88623-375.54.4112-43.720
PS106_23-32017-06-0681.94910.88623-349.74.3107-43.973
PS106_23-32017-06-0681.94910.88623-334.74.5112-43.577
PS106_23-32017-06-0681.94910.88623-310.04.4109-43.292
PS106_23-32017-06-0681.94910.88623-31.94.4110-43.755
PS106_24-1 2017-06-0781.94510.33624-1200.04.4125-43.258
PS106_24-12017-06-0781.94510.33624-1100.04.4116-43.394
PS106_24-12017-06-0781.94510.33624-150.04.5111-39.812
PS106_24-12017-06-0781.94510.33624-129.64.8120-40.566
PS106_24-12017-06-0781.94510.33624-19.64.8121-42.001
PS106_24-12017-06-0781.94510.33624-11.34.6115-43.177
PS106_27-6 2017-06-1081.87110.47227-6100.04.1107-42.881
PS106_27-62017-06-1081.87110.47227-674.34.4110-42.542
PS106_27-62017-06-1081.87110.47227-650.04.3107-43.080
PS106_27-62017-06-1081.87110.47227-620.74.3106-42.865
PS106_27-62017-06-1081.87110.47227-610.24.3108-43.357
PS106_27-62017-06-1081.87110.47227-61.94.4109-43.110
PS106_28-5 2017-06-1181.82111.26128-5100.04.5116-43.071
PS106_28-52017-06-1181.82111.26128-575.04.5114-43.179
PS106_28-52017-06-1181.82111.26128-550.04.2105-42.596
PS106_28-52017-06-1181.82111.26128-530.04.2106-43.277
PS106_28-52017-06-1181.82111.26128-510.04.4109-42.793
PS106_28-52017-06-1181.82111.26128-52.04.3107-42.769
PS106_29-8 2017-06-1281.81411.52229-8100.04.2111-41.363
PS106_29-82017-06-1281.81411.52229-875.04.3109-41.370
PS106_29-82017-06-1281.81411.52229-850.04.4110-41.791
PS106_29-82017-06-1281.81411.52229-835.04.2106-42.093
PS106_29-82017-06-1281.81411.52229-810.04.0100-38.728
PS106_29-82017-06-1281.81411.52229-81.64.1103-41.092
PS106_30-2 2017-06-1381.81411.49730-2100.04.1106-42.385
PS106_30-22017-06-1381.81411.49730-275.04.3108-40.622
PS106_30-22017-06-1381.81411.49730-250.04.6115-41.584
PS106_30-22017-06-1381.81411.49730-235.04.2106-42.635
PS106_30-22017-06-1381.81411.49730-210.04.0100-41.258
PS106_30-22017-06-1381.81411.49730-22.04.5112-40.503
PS106_31-3 2017-06-1481.74810.98631-3100.04.0104-42.291
PS106_31-32017-06-1481.74810.98631-375.03.998-40.991
PS106_31-32017-06-1481.74810.98631-350.04.099-43.728
PS106_31-32017-06-1481.74810.98631-340.04.0100-43.041
PS106_31-32017-06-1481.74810.98631-310.03.997-42.494
PS106_31-32017-06-1481.74810.98631-32.03.998-43.069
PS106_32-5 2017-06-1581.70610.69132-5100.04.0103-42.964
PS106_32-52017-06-1581.70610.69132-575.04.0104-43.033
PS106_32-52017-06-1581.70610.69132-550.03.793-43.194
PS106_32-52017-06-1581.70610.69132-535.03.690-42.753
PS106_32-52017-06-1581.70610.69132-510.03.792-43.658
PS106_32-52017-06-1581.70610.69132-52.03.895-43.196
PS106_34-2 2017-06-1780.99310.36434-2100.03.6101-41.908
PS106_34-22017-06-1780.99310.36434-276.03.899-41.029
PS106_34-22017-06-1780.99310.36434-250.04.099-41.389
PS106_34-22017-06-1780.99310.36434-225.04.3108-42.222
PS106_34-22017-06-1780.99310.36434-210.03.998-42.222
PS106_34-22017-06-1780.99310.36434-22.04.0100-40.546
PS106_37-1 2017-06-1880.47411.42637-1100.04.8142-43.163
PS106_37-12017-06-1880.47411.42637-175.04.8144-41.686
PS106_37-12017-06-1880.47411.42637-158.04.7140-41.299
PS106_37-12017-06-1880.47411.42637-150.04.5133-42.696
PS106_37-12017-06-1880.47411.42637-133.04.6135-39.530
PS106_37-12017-06-1880.47411.42637-110.04.4114-40.730
PS106_37-12017-06-1880.47411.42637-12.04.5115-41.970