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Schaaff, Valentine; Grossi, Vincent; Makou, Matthew; Garcin, Yannick; Deschamps, Pierre; Sebag, David; Ngounou Ngatcha, Benjamin; Ménot, Guillemette (2024): Branched glycerol dialkyl glycerol tetraethers (brGDGTs) of sediment core NGBA19 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.963783, In: Schaaff, V et al. (2024): Lipid biomarkers as pH proxies of sediment core NGBA19 [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.963887

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Published: 2024-04-02DOI registered: 2024-05-01

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Keyword(s):
13C composition; African Humid Period; isomer ratios; lipid biomarkers; pH reconstruction
Related to:
Schaaff, Valentine; Grossi, Vincent; Makou, Matthew; Garcin, Yannick; Deschamps, Pierre; Sebag, David; Ngatcha, Benjamin Ngounou; Ménot, Guillemette (2024): Constraints on hopanes and brGDGTs as pH proxies in peat. Geochimica et Cosmochimica Acta, https://doi.org/10.1016/j.gca.2024.03.034
Funding:
Agence Nationale de la Recherche (ANR), grant/award no. ANR-18-CE01-0005: ANR TAPIOCA
Coverage:
Latitude: 7.135000 * Longitude: 13.690000
Date/Time Start: 2019-02-01T00:00:00 * Date/Time End: 2019-02-01T00:00:00
Minimum DEPTH, sediment/rock: 0.100 m * Maximum DEPTH, sediment/rock: 5.900 m
Event(s):
NGBA19 * Latitude: 7.135000 * Longitude: 13.690000 * Date/Time: 2019-02-01T00:00:00 * Elevation: 1175.0 m * Location: NGaoundaba peatland, Northeastern Cameroon * Method/Device: Core (CORE)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
DEPTH, sediment/rockDepth sedmSchaaff, ValentineGeocode
AGEAgeka BPSchaaff, ValentineGeocode
Cyclization ratio of branched tetraethersCBTSchaaff, ValentineHPLC-MS according to Naafs et al. (2017)brGDGT CBTpeat index
pHpHSchaaff, ValentineHPLC-MS according to Naafs et al. (2017)brGDGT pH reconstruction
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
144 data points

Data

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


Depth sed [m]

Age [ka BP]

CBT

pH
0.100-0.01350-1.2662829464.916955465
0.1500.09775-1.0517330935.451184597
0.2000.23775
0.2500.36850-1.0080224105.560024200
0.3000.46200-0.9563848165.688601809
0.4000.63450-0.6605225456.425298863
0.5000.78875-0.9810431985.627202437
0.6000.94975-0.7951567886.090059599
0.7001.10225-0.6683550856.405795839
0.8001.16850-0.7735481326.143865152
0.9001.23975-0.9472560615.711332409
1.0001.31075-0.7129019226.294874214
1.1001.46925-0.8088466146.055971932
1.2001.62350-0.7280593776.257132152
1.2501.69500-0.7602318076.177022801
1.3001.76000-0.7126633366.295468293
1.4001.88850-0.7682353006.157094104
1.5002.04900-0.7631540116.169746513
1.5252.18750-0.8140183446.043094323
1.5502.41500-0.9797730385.630365136
1.5752.72150-0.9394580345.730749496
1.6002.89700-0.8726049235.897213741
1.7003.09325-0.9600348455.679513235
1.8003.19450-1.0866137635.364331731
1.9003.28275-1.1292606075.258141088
2.0003.46300-0.9854988995.616107740
2.0253.68800-1.1739126695.146957454
2.0503.93975-1.1364579115.240219801
2.0754.25075-1.2836551664.873698636
2.1004.42775-1.1169471125.288801691
2.2004.55600-1.0189259145.532874474
2.2504.65600-1.0545243395.444234396
2.3004.76675-0.9577885965.685106396
2.4004.96475-0.8695138455.904910526
2.5005.20975-0.8739366575.893897723
2.6005.47025-0.9706985275.652960668
2.7005.72600-1.0060380655.564965218
2.8005.97500-1.0862302855.365286590
2.9006.07525-1.1881799675.111431882
3.0006.17100-1.0966257435.339401901
3.1006.27175-1.3295567694.759403646
3.2006.40650-1.2401540994.982016293
3.3006.55325-1.1437150935.222149418
3.4006.69275-1.0957819345.341502983
3.5006.87200-1.0961275955.340642289
3.6007.03725-1.1257763055.266816999
3.7007.21850-1.1675748735.162738567
3.7507.28600-1.2363695294.991439872
3.8007.35300-1.2490895484.959767025
3.9007.47525-1.3664604694.667513433
4.0007.56075-1.3603644924.682692414
4.1007.68175-1.3654823044.669949064
4.2007.82375-1.3828399334.626728568
4.2507.90175-1.3456275214.719387473
4.3007.97075-1.4143066004.548376566
4.4008.09700-1.3973385494.590627013
4.5008.23475-1.2997017734.833742586
4.6008.37200-1.3307200724.756507022
4.7008.46250-1.1101917855.305622456
4.7508.51275-1.2113164795.053821966
4.8008.56350-1.1072766525.312881138
4.9008.66525-1.0748588965.393601348
5.0008.75725-1.0848068895.368830847
5.1008.84975-1.0269476585.512900333
5.2008.93925-0.9115245165.800303954
5.3009.04225-0.9955054595.591191407
5.4009.13975-1.0133429235.546776123
5.5009.23700-1.0144103435.544118247
5.6009.34925-0.9873090805.611600391
5.7009.47250-1.1152029605.293144630
5.7509.52300-1.0393137575.482108745
5.8009.56475-1.0502452605.454889301
5.9009.65550-1.0585553645.434197145