Not logged in
PANGAEA.
Data Publisher for Earth & Environmental Science

Meyer, Vera D; Köhler, Peter; Smit, Nadine T; Lipp, Julius S; Wei, Bingbing; Mollenhauer, Gesine; Schefuß, Enno: Compound-specific radiocarbon analysis of plant-wax biomarkers in sediment core GeoB7702-3 [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.973253 (dataset in review)

Show MapGoogle Earth

Abstract:
This dataset comprises abundances of Amino-Bacteriohopanepolyols (Amino-BHPs; bacterial biomarkers) and compound-specific radiocarbon analysis of plant-wax biomarkers in marine sediment core GeoB7702-3, recovered from the eastern Mediterranean. The records cover the last 18,000 years. Given the lack of appropriate standards for biomarker quantification, the abundances of Amino-BHPs are presented in arbitrary units (peak area/µg sediment). The radiocarbon data is blank-corrected and presented as fraction modern carbon. They are converted to the reservoir age offset between the biomarkers and the atmosphere (Soulet et al., 2016), a measure for the degree of pre-ageing of the terrigenous compounds at the time of deposition in the marine sediments. Based on these data catchment weighted turnover times of soil carbon (τsoil) and soil mean carbon ages (0-100m soil depth) are calculated for the Nile River watershed according to Eglinton et al. (2021).
Keyword(s):
Bacteriohopanepolyols; Biomarker; Carbon cycle; Compound-specific radiocarbon analysis; last deglaciation; Marine Sediment Core; Nile River; turnover times soil carbon
Related to:
Meyer, Vera D; Köhler, Peter; Smit, Nadine T; Lipp, Julius S; Wei, Bingbing; Mollenhauer, Gesine; Schefuß, Enno (in review): Dominant control of temperature on (sub-)tropical soil carbon turnover. Nature Communications
Project(s):
Center for Marine Environmental Sciences (MARUM)
Coverage:
Latitude: 31.651667 * Longitude: 34.066667
Date/Time Start: 2002-02-12T11:02:00 * Date/Time End: 2002-02-12T11:02:00
Minimum DEPTH, sediment/rock: 0.830 m * Maximum DEPTH, sediment/rock: 3.945 m
Event(s):
GeoB7702-3 (77) * Latitude: 31.651667 * Longitude: 34.066667 * Date/Time: 2002-02-12T11:02:00 * Elevation: -562.0 m * Recovery: 5.92 m * Location: Eastern Mediterranean, Continental slope off Israel * Campaign: M52/2 * Basis: Meteor (1986) * Method/Device: Gravity corer (Kiel type) (SL) * Comment: Incl. core catcher sample,
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepth sedmMeyer, Vera DGeocode
2Depth, top/minDepth topmMeyer, Vera D
3Depth, bottom/maxDepth botmMeyer, Vera D
4Calendar age, minimum/youngCal age minka BPMeyer, Vera Ddeposition age
5Calendar age, maximum/oldCal age maxka BPMeyer, Vera Ddeposition age
6AGEAgeka BPMeyer, Vera DGeocode – deposition age mid-point median
7CompoundsCompMeyer, Vera D
8Sample IDSample IDMeyer, Vera DAWI
9Year of analysisYear analysisa ADMeyer, Vera D
10Carbon massCµgMeyer, Vera D
11Fraction modern carbonF14CMeyer, Vera D
12Fraction modern carbon, standard deviationF14C std dev±Meyer, Vera D
13Fraction modern carbonF14CMeyer, Vera D
14Fraction modern carbon, standard errorF14C std e±Meyer, Vera Derror propagation
15δ13C, waxδ13C wax‰ PDBMeyer, Vera D
16δ13C, wax, standard deviationδ13C wax std dev±Meyer, Vera Derror propagation
17Reservoir ageRes agekaMeyer, Vera DAge, 14Creservoir age offset lipid-atmosphere
18Reservoir age, standard errorRes age e±Meyer, Vera Derror propagation
19CommentCommentMeyer, Vera D
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
484 data points

Download Data (login required; moratorium until 2025-05-01)

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

View dataset as HTML