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Lengger, Sabine K (2019): δ¹³Cvalues of downcore sediment organic matter at station PA900 in the Arabian Sea oxygen minimum zone. PANGAEA, https://doi.org/10.1594/PANGAEA.909195, In: Lengger, SK (2019): δ¹³C values of organic matter in the Arabian Sea oxygen minimum zone. PANGAEA, https://doi.org/10.1594/PANGAEA.908445

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Abstract:
Freeze-dried core tops from 8 stations between 900 and 3000 m for sedimentary organic matter, and punches from 0.7 µm GFF filters for suspended particulate organic matter, were decalcified with 2N HCl, washed, freeze-dried, and subjected to analysis via a Flash EA 1112 Series (Thermo Scientific) analyser, coupled via a Conflo II interface to a Finnigan Delta^plus^ mass spectrometer as described by Lengger et al. (2014; sediment) and Pitcher et al. (2011; doi:10.1038/ismej.2011.60; filters). Standards for δ^13^C analysis were acetanilide and benzoic acid and samples were analysed in duplicate.
Keyword(s):
13C; Arabian Sea; Carbon cycle; OMZ
Supplement to:
Lengger, Sabine K; Rush, Darci; Mayser, Jan Peter; Blewett, Jerome; Schwartz-Narbonne, Rachel; Talbot, Helen M; Middelburg, Jack J; Jetten, Mike S M; Schouten, Stefan; Sinninghe Damsté, Jaap S; Pancost, Richard D (2019): Dark carbon fixation in the Arabian Sea oxygen minimum zone contributes to sedimentary organic carbon (SOM). Global Biogeochemical Cycles, 33(12), 1715-1732, https://doi.org/10.1029/2019GB006282
Related to:
Lengger, Sabine K; Hopmans, Ellen C; Sinninghe Damsté, Jaap S; Schouten, Stefan (2017): (Table 1) Organic carbon content, bottom water oxygen concentration, oxygen penetration depth and sedimentation rates of surface sediments in the Arabian Sea. PANGAEA, https://doi.org/10.1594/PANGAEA.880557
Coverage:
Latitude: 22.548330 * Longitude: 64.040000
Date/Time Start: 2009-01-12T00:00:00 * Date/Time End: 2009-01-12T00:00:00
Minimum DEPTH, sediment/rock: 0.0025 m * Maximum DEPTH, sediment/rock: 0.3400 m
Event(s):
PA900 * Latitude: 22.548330 * Longitude: 64.040000 * Date/Time: 2009-01-12T00:00:00 * Elevation: -885.0 m * Location: Northern Arabian Sea * Campaign: 64PE301 (PASOM) * Basis: Pelagia * Method/Device: Box corer (BC)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepthmLengger, Sabine KGeocode
2Depth, top/minDepth topmLengger, Sabine K
3Depth, bottom/maxDepth botmLengger, Sabine K
4δ13C, organic carbonδ13C Corg‰ PDBLengger, Sabine KMass spectrometer Finnigan Delta-E
Size:
63 data points

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