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Vosteen, Paul; Spiegel, Timo; Gledhill, Martha; Frank, Martin; Zabel, Matthias; Scholz, Florian (2022): Solid phase geochemistry (Al, Fe K, nitrate, organic carbon) of sediment core M147_24-1 (MUC05) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.950247, In: Vosteen, P et al. (2022): Solid phase sediment and pore water data (Al, Fe, K, nitrate, organic carbon) from the Amazon continental shelf (cruise M147) [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.950248

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Abstract:
Total element concentrations (Fe, Al, K) of the solid phase were measured after acid digestion (HF, HNO3 and HClO4) by inductively coupled plasma optical emission spectrometry (Varian ICP 720-ES). Solid phase iron speciation data were measured following single step sodium dithionite extraction (FeD) or sequential Fe extraction (FeAc, FeDith, FeOxal) by inductively coupled plasma optical emission spectrometry (Varian ICP 720-ES). Solid phase pyrite concentrations (FePy) were calculated stoichiometrically from photometrically measured S2- released via chromium(II) chloride reduction. Total organic carbon (TOC) of the sediment samples was measured in an Elemental Analyzer (Euro EA). Prior to analysis carbon bound to carbonate minerals was removed by leaching the sediment with 0.25 N HCl.
Keyword(s):
continental shelf; Fe speciation; porewater; sediment
Funding:
Deutsche Forschungsgemeinschaft, Bonn (DFG), grant/award no. ICONOX: Iron Cycling in Continental Margin Sediments and the Nutrient and Oxygen Balance of the Ocean
Coverage:
Latitude: 0.952000 * Longitude: -49.648000
Date/Time Start: 2018-05-02T17:37:00 * Date/Time End: 2018-05-02T17:37:00
Minimum DEPTH, sediment/rock: 0.015 m * Maximum DEPTH, sediment/rock: 0.290 m
Event(s):
M147_24-1 * Latitude: 0.951800 * Longitude: -49.647733 * Date/Time: 2018-05-02T17:37:00 * Campaign: M147 * Basis: Meteor (1986) * Method/Device: MultiCorer (MUC)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
165 data points

Data

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


Sample label

Date/Time

Latitude

Longitude

Elevation [m]

Depth sed [m]

TOC [%]

Al [mg/g]

K [mg/g]
10 
Fe [mg/g]
11 
Al [%]
12 
K [%]
13 
Fe tot [%]
14 
FeD [%]
15 
Fe acid-soluble [%]
16 
Fe-di-ct [%]
17 
Fe ox [%]
18 
Fe Py [%]
M147_24-MUC05_1.5cm2018-05-02T17:37:000.952-49.648-22.10.0150.49054.615.330.65.461.533.060.8690.3120.7940.2110.009
M147_24-MUC05_2.5cm2018-05-02T17:37:000.952-49.648-22.10.0250.31055.315.429.35.531.542.930.9290.2830.8030.202
M147_24-MUC05_3.5cm2018-05-02T17:37:000.952-49.648-22.10.0350.58098.922.248.79.892.224.871.7670.7361.6260.298
M147_24-MUC05_4.5cm2018-05-02T17:37:000.952-49.648-22.10.0450.600100.522.349.710.052.234.971.900
M147_24-MUC05_5.5cm2018-05-02T17:37:000.952-49.648-22.10.0550.52096.322.047.29.632.204.721.7300.5601.3460.2320.014
M147_24-MUC05_7cm2018-05-02T17:37:000.952-49.648-22.10.0700.610103.622.951.310.362.295.132.006
M147_24-MUC05_9cm2018-05-02T17:37:000.952-49.648-22.10.0900.670103.222.851.210.322.285.121.933
M147_24-MUC05_11cm2018-05-02T17:37:000.952-49.648-22.10.1100.650102.922.751.010.292.275.102.023
M147_24-MUC05_13cm2018-05-02T17:37:000.952-49.648-22.10.1300.700105.423.252.410.542.325.241.9870.6271.3800.2470.012
M147_24-MUC05_15cm2018-05-02T17:37:000.952-49.648-22.10.1500.650102.022.750.610.202.275.061.929
M147_24-MUC05_17cm2018-05-02T17:37:000.952-49.648-22.10.1700.680102.522.751.010.252.275.101.954
M147_24-MUC05_19cm2018-05-02T17:37:000.952-49.648-22.10.1900.71098.521.749.09.852.174.901.948
M147_24-MUC05_21cm2018-05-02T17:37:000.952-49.648-22.10.2100.44074.618.138.27.461.813.821.4080.4661.0770.1960.009
M147_24-MUC05_29cm2018-05-02T17:37:000.952-49.648-22.10.290106.823.453.810.682.345.382.0440.7341.4780.3060.008