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Henkel, Susann; Schwenk, Tilmann; Hanebuth, Till J J; Strasser, Michael; Riedinger, Natascha; Formolo, Michael J; Arnold, Gail Lee; Tomasini, Juan; Krastel, Sebastian; Kasten, Sabine (2012): Sulfate and methane concentrations measured in pore water of sediment core GeoB13809-1. PANGAEA, https://doi.org/10.1594/PANGAEA.773286, In supplement to: Henkel, S et al. (2012): Pore water geochemistry as a tool for identifying and dating young mass-transport deposits. In: Yamada, Y et al. (eds.) Advances in Natural and Technological Hazards Research - Submarine Mass Movements and Their Consequences, 5th International Symposium, Springer, 31(1), 87-97, https://doi.org/10.1007/978-94-007-2162-3_8

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Coverage:
Latitude: -36.127833 * Longitude: -52.831667
Date/Time Start: 2009-05-25T19:38:00 * Date/Time End: 2009-05-25T19:38:00
Minimum DEPTH, sediment/rock: 0.10 m * Maximum DEPTH, sediment/rock: 9.42 m
Event(s):
GeoB13809-1 (365) * Latitude: -36.127833 * Longitude: -52.831667 * Date/Time: 2009-05-25T19:38:00 * Elevation: -1400.0 m * Recovery: 9.42 m * Campaign: M78/3A * Basis: Meteor (1986) * Method/Device: Gravity corer (GC)
Comment:
Sulfate measurements were performed onboard the ship using a Sykam solvent delivery system coupled to a Waters 430 conductivity detector at a 1:50 dilution. Daily standard calibrations using seawater provided by the International Association for the Physical Sciences of the Oceans (IAPSO) were performed. The range for the 5-point standard calibration was 10 µM - 400 µM.
For methane, a 3 cm**3 sediment sample was transferred into a 20 mL He flushed headspace vial, filled with 10 mL of a 5 M NaCl solution. All samples were taken immediately after the gravity core was retrieved and cut into 1-m segments. Methane concentrations were measured at the Max Planck Institute for Marine Microbiology with a Hewlett Packard 5890A gas chromatograph using a splitless injector, a stainless steel Porapak-Q column and a flame ionization detector. Chromatographic response on the GC instrument was calibrated against three different standards with variable concentrations of methane. Methane concentrations were corrected for sediment porosity.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepthmGeocode
2Sulfate[SO4]2-mmol/lHenkel, SusannSykam solvent delivery system coupled to a Waters 430 conductivity detector
3MethaneCH4mmol/lHenkel, SusannGas chromatography
Size:
40 data points

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