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Pape, Thomas; Geprägs, Patrizia; Buchheister, Stefanie; Bohrmann, Gerhard (2020): Concentrations of dissolved methane, and hydrocarbon ratio in headspace gas prepared from gravity core GeoB19331-1 collected at Mictlan Knoll [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.912742, In: Pape, T et al. (2020): Concentrations of dissolved methane and hydrocarbon ratio from sediment cores collected at Mictlan Knoll and Chapopote Knoll [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.912749

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Keyword(s):
asphalt seeps; Chapopote Knoll; Gas; Gulf of Mexico; light hydrocarbons; M114; Methane; Mictlan Knoll; stable carbon isotopic composition of methane
Related to:
Laso-Pérez, Rafael; Hahn, Cedric; van Vliet, Daan M; Tegetmeyer, Halina E; Schubotz, Florence; Smit, Nadine T; Pape, Thomas; Sahling, Heiko; Bohrmann, Gerhard; Boetius, Antje; Knittel, Katrin; Wegener, Gunter (2019): Anaerobic degradation of non-methane alkanes by “Candidatus Methanoliparia” in hydrocarbon seeps of the Gulf of Mexico. mBio, 10(4), e01814-19, https://doi.org/10.1128/mBio.01814-19
Coverage:
Latitude: 22.022567 * Longitude: -93.246817
Date/Time Start: 2015-03-12T20:38:00 * Date/Time End: 2015-03-12T20:38:00
Minimum DEPTH, sediment/rock: 0.42 m * Maximum DEPTH, sediment/rock: 1.43 m
Event(s):
GeoB19331-1 (M114/2_88-1)  * Latitude: 22.022567 * Longitude: -93.246817 * Date/Time: 2015-03-12T20:38:00 * Elevation: -3092.0 m * Location: Gulf of Mexico * Campaign: M114/2 * Basis: Meteor (1986) * Method/Device: Gravity corer (GC) * Comment: 143 cm recovery, Posidonia falied
Comment:
Concentrations of dissolved methane (uncorrected for sediment porosity and Bunsen coefficient), and hydrocarbon ratio (C1/C2+) in headspace gas prepared from gravity core GeoB19331-1 collected at Mictlan Knoll.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Event labelEvent
Method/Device of eventMethod/Device
CommentCommentPape, ThomasROV dive/Gravity core
SiteSitePape, Thomas
Sample IDSample IDPape, ThomasSubsample
Sample typeSamp typePape, Thomas
DEPTH, sediment/rockDepth sedmPape, ThomasGeocode
MethaneCH4µmol/lPape, Thomas
C1/C2+ hydrocarbon ratioC1/C2+Pape, Thomas
Size:
11 data points

Data

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


Event

Method/Device

Comment

Site

Sample ID

Samp type

Depth sed [m]

CH4 [µmol/l]

C1/C2+
GeoB19331-1 Gravity corerGC5Mictlan Knoll37Headspace gas0.423.1
GeoB19331-1Gravity corerGC5Mictlan Knoll36Headspace gas1.4314.218.4