Citation:

PANGAEA.982959

Name: Bulk sediment element concentrations and biogenic barium of IODP Site U1537
Published: 2025-10-01
License: https://creativecommons.org/licenses/by/4.0/
Keywords: authigenic uranium; Biogenic Barium (xsBa); bottom-water oxygenation; export productivity; opal; Scotia Sea; sediment; Southern Ocean; Th; thorium normalization; Weddell Sea

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Published: 2025-10-01 • DOI registered: 2025-10-30

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Abstract:

Bulk element concentrations were measured for a subset of samples on aliquots after digestion on an ICP-OES (Agilent 700 Series) at the Institute of Earth Sciences, Heidelberg University. Biogenic Barium (Babio) was calculated from Ba and Al concentrations following Nürnberg et al. (1997) with a detrital Ba/Al factor of 0.0067. Biogenic barium fluxes were calculated by 230Th normalization.

Keyword(s):

authigenic uranium; Biogenic Barium (xsBa); bottom-water oxygenation; export productivity; opal; Scotia Sea; sediment; Southern Ocean; Th; thorium normalization; Weddell Sea

Project(s):

Integrated Ocean Drilling Program / International Ocean Discovery Program (IODP)

Coverage:

Latitude: -59.111000 * Longitude: -40.906000

Minimum Elevation: -3712.0 m * Maximum Elevation: -3712.0 m

Event(s):

382-U1537 * Latitude: -59.111000 * Longitude: -40.906000 * Elevation: -3712.0 m * Campaign: * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Depth, composite	Depth comp	mcd	Hallmaier, Moritz		CCSF (m)
2	AGE	Age	ka BP	Hallmaier, Moritz		Geocode
3	Barium	Ba	µg/g	Hallmaier, Moritz	ICP-OES, Agilent 700 with autosampler ASX-520
4	Aluminium	Al	mg/g	Hallmaier, Moritz	ICP-OES, Agilent 700 with autosampler ASX-520
5	Iron	Fe	mg/g	Hallmaier, Moritz	ICP-OES, Agilent 700 with autosampler ASX-520
6	Barium/Aluminium ratio	Ba/Al		Hallmaier, Moritz
7	Barium	Ba	µg/g	Hallmaier, Moritz		Ba_det
8	Barium	Ba	µg/g	Hallmaier, Moritz		Ba_bio
9	Standard deviation	Std dev	±	Hallmaier, Moritz		2SD Ba_bio
10	Barium, biogenic rain rate	Ba bio rain rate	mg/cm²/ka	Hallmaier, Moritz		Ba_bio flux
11	Standard deviation	Std dev	±	Hallmaier, Moritz		2SD Ba_bio flux

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

288 data points

Data

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

1 Depth comp [mcd] (CCSF (m))	2 Age [ka BP]	3 Ba [µg/g]	4 Al [mg/g]	5 Fe [mg/g]	6 Ba/Al	7 Ba [µg/g] (Ba_det)	8 Ba [µg/g] (Ba_bio)	9 Std dev [±] (2SD Ba_bio)	10 Ba bio rain rate [mg/cm²/ka] (Ba_bio flux)	11 Std dev [±] (2SD Ba_bio flux)
1.10	3.17	808.20	21.50	25.08	0.04	144.08	664.12	19.92	1.15	0.03
6.10	11.99	704.33	25.68	24.49	0.03	172.04	532.29	15.97	1.27	0.06
8.57	19.46	648.89	49.07	48.33	0.01	328.79	320.10	9.60	0.66	0.05
10.50	28.66	760.06	56.99	48.25	0.01	381.83	378.23	11.35	0.68	0.05
12.18	37.92	735.46	39.55	32.52	0.02	264.97	470.49	14.11	0.91	0.05
13.97	48.18	692.28	52.78	45.30	0.01	353.60	338.68	10.16	0.68	0.05
15.24	58.34	839.56	39.94	38.44	0.02	267.61	571.95	17.16	0.92	0.07
16.36	67.80	737.16	46.46	47.00	0.02	311.26	425.91	12.78	0.65	0.05
18.01	77.58	743.01	42.08	35.91	0.02	281.93	461.08	13.83	0.57	0.03
20.68	88.92	698.43	40.68	32.62	0.02	272.53	425.89	12.78	0.68	0.06
22.79	100.05	649.22	31.82	25.45	0.02	213.19	436.03	13.08	0.78	0.07
25.83	111.46	696.52	33.15	29.17	0.02	222.11	474.40	14.23	0.72	0.08
27.98	116.84	775.36	26.82	25.22	0.03	179.70	595.66	17.87	1.14	0.14
30.55	129.37	1286.10	30.69	32.59	0.04	205.64	1080.46	32.41	1.41	0.23
32.68	141.13	727.27	41.30	49.90	0.02	276.72	450.55	13.52	1.46	1.05
33.80	148.04	801.26	52.03	47.43	0.02	348.59	452.67	13.58	1.23	0.95
34.28	153.73	548.04	39.17	43.97	0.01	262.47	285.56	8.57
34.28	153.73	594.01	47.48	46.39	0.01	318.09	275.92	8.28
34.44	155.26	678.43	53.17	48.86	0.01	356.26	322.17	9.67
35.72	169.80	972.01	32.15	41.14	0.03	215.39	756.62	22.70
36.64	180.58	736.70	45.10	32.19	0.02	302.17	434.53	13.04
38.50	190.56	737.23	30.75	27.37	0.02	206.02	531.21	15.94
40.03	201.02	757.56	28.57	24.47	0.03	191.42	566.14	16.98
41.46	209.92	619.97	26.23	23.19	0.02	175.75	444.22	13.33
44.28	220.07	871.99	33.09	27.79	0.03	221.68	650.31	19.51
47.41	230.49	834.73	29.02	34.39	0.03	194.42	640.31	19.21
50.49	240.07	608.45	27.55	23.39	0.02	184.61	423.85	12.72
51.21	242.27	729.20	25.28	24.01	0.03	169.38	559.82	16.79
52.01	244.89	745.42	23.20	22.04	0.03	155.44	589.99	17.70
53.15	249.89	984.51	46.67	37.86	0.02	312.70	671.81	20.15
54.55	260.33	932.50	26.37	46.14	0.04	176.66	755.85	22.68
55.63	272.38	839.09	19.18	50.96	0.04	128.49	710.60	21.32