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Helder, Wim (2002): Sediment chemistry at Snellius-II_G2/10. PANGAEA, https://doi.org/10.1594/PANGAEA.78588

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Related to:
Helder, Wim (1989): Early diagenesis and sediment-water exchange in the Savu Basin (Eastern Indonesia). Netherlands Journal of Sea Research, 24, 555-572, https://doi.org/10.1016/0077-7579(89)90133-6
Funding:
Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2001-00100: Origin and Fate of Biogenic Particle Fluxes in the Ocean
Coverage:
Latitude: -9.900000 * Longitude: 122.700000
Date/Time Start: 1985-03-01T00:00:00 * Date/Time End: 1985-03-01T00:00:00
Minimum DEPTH, sediment/rock: 0.000 m * Maximum DEPTH, sediment/rock: 0.200 m
Event(s):
Snellius-II_legG2/10_BC (10) * Latitude: -9.900000 * Longitude: 122.700000 * Date/Time: 1985-03-01T00:00:00 * Elevation: -3215.0 m * Campaign: Cruise87 * Basis: Alpha Helix * Method/Device: Box corer (BC) * Comment: Snellius-II
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
DEPTH, sediment/rockDepth sedmGeocode
Oxygen, flux, sediment oxygen demandSODmmol/m2/dayHelder, WimMicroelectrode oxygen profiler, ex situ; Helder & Bakker, 1985
OxygenO2µmol/lHelder, WimMicroelectrode oxygen profiler, ex situ; Helder & Bakker, 1985
Oxygen penetration depthOPD depthmmHelder, WimMicroelectrode oxygen profiler, ex situ; Helder & Bakker, 1985
Nitrate, flux[NO3]- fluxµmol/m2/dayHelder, WimCalculated, see reference(s)
Ammonium, flux[NH4]+ fluxmmol/m2/dayHelder, WimCalculated, see reference(s)
Manganese, fluxMn fluxµg/m2/dayHelder, WimCalculated, see reference(s)
Porosity, fractionalPoros fracHelder, WimCalculated from weight loss after drying at 90°C
Carbon, organic, totalTOC%Helder, WimElement analyser CHN, Perkin-Elmer (Van Iperen & Helder, 1985)
10 Manganese oxideMnO%Helder, WimElement analyser AAS, HCl-extraction
11 Iron oxide, FeOFeO%Helder, WimElement analyser AAS, HCl-extraction
12 SilicateSi(OH)4µmol/lHelder, WimAuto-analyzer, Technicon AA-II (Strickland & Parsons, 1972)
13 Nitrate[NO3]-µmol/lHelder, WimAuto-analyzer, Technicon AA-II (Strickland & Parsons, 1972)
14 Nitrite[NO2]-µmol/lHelder, WimAuto-analyzer, Technicon AA-II (Strickland & Parsons, 1972)
15 ManganeseMnµmol/lHelder, WimElement analyser AAS, HCl-extraction
16 IronFeµmol/lHelder, WimElement analyser AAS, HCl-extraction
17 Ammonium[NH4]+µmol/lHelder, WimAuto-analyzer, Technicon AA-II (Strickland & Parsons, 1972)
Size:
101 data points

Data

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


Depth sed [m]

SOD [mmol/m2/day]

O2 [µmol/l]

OPD depth [mm]

[NO3]- flux [µmol/m2/day]

[NH4]+ flux [mmol/m2/day]

Mn flux [µg/m2/day]

Poros frac

TOC [%]
10 
MnO [%]
11 
FeO [%]
12 
Si(OH)4 [µmol/l]
13 
[NO3]- [µmol/l]
14 
[NO2]- [µmol/l]
15 
Mn [µmol/l]
16 
Fe [µmol/l]
17 
[NH4]+ [µmol/l]
0.0001.3492.5106600.0214.30.82
0.0021.70.980.4636.80.749.10.11.1
0.0082.00.880.45581.62.01.037.83.511.2
0.0131.90.920.60
0.015646.94.60.7117.03.513.0
0.0181.90.820.44
0.0251.90.280.56665.51.10.7147.73.611.8
0.0352.00.240.52626.51.50.8112.94.517.7
0.0501.90.150.68639.00.70.4137.43.622.9
0.0701.80.130.64658.91.30.5129.36.534.7
0.0901.90.090.67641.90.80.4125.83.644.9
0.1200.080.63653.41.10.7126.67.148.3
0.160629.30.80.5123.06.661.6
0.200578.20.70.3114.95.576.5