Citation:

PANGAEA.967048

Name: Mg/Ca and Mg/Ca-derived SST data of sediment core MD161-17
Published: 2024-04-04
License: https://creativecommons.org/licenses/by/4.0/
Keywords: AMS 14C ages; Mg/Ca; Mg/Ca-derived temperature; SST

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Published: 2024-04-04 • DOI registered: 2024-05-03

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Abstract:

This dataset contains Mg/Ca and Mg/Ca-derived SST data of sediment core MD161-17 from the Bay of Bengal. For Mg/Ca analysis, 30-40 specimens (>150 µm) of G. ruber (white) were used. The sample preparation followed Barker et al. (2003) with slight modifications. Mg/Ca ratios were measured using an Agilent Technologies 700 Series ICP-OES with a CETAX ASX-520 autosampler housed at the Faculty of Geosciences, University of Bremen. Mg/Ca values were then used to estimate SSTs using the equation Mg/Ca=0.449exp(0.09*T) (Anand et al., 2003).

Keyword(s):

AMS 14C ages; Mg/Ca; Mg/Ca-derived temperature; SST

Related to:

Panmei, Champoungam; Divakar Naidu, Pothuri; Mohtadi, Mahyar (2017): Bay of Bengal Exhibits Warming Trend During the Younger Dryas: Implications of AMOC. Geochemistry, Geophysics, Geosystems, 18(12), 4317-4325, https://doi.org/10.1002/2017GC007075

Coverage:

Latitude: 16.060000 * Longitude: 82.020000

Minimum DEPTH, sediment/rock: 18.35 m * Maximum DEPTH, sediment/rock: 23.95 m

Event(s):

MD161-17 (MD161/17) * Latitude: 16.060000 * Longitude: 82.020000 * Elevation: -790.0 m * Location: Indian Ocean

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, sediment/rock	Depth sed	m	Panmei, Champoungam		Geocode – merged
2	AGE	Age	ka BP	Panmei, Champoungam		Geocode
3	Globigerinoides ruber white, Magnesium/Calcium ratio	G. ruber w Mg/Ca	mmol/mol	Panmei, Champoungam	Inductively coupled plasma optical emission spectrometry (ICP-OES), Agilent 700
4	Sea surface temperature, annual mean	SST (1-12)	°C	Panmei, Champoungam	Calculated according to Anand et al. (2008)	Mg/Ca = 0.449 exp 0.09

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

210 data points

Data

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

1 Depth sed [m]	2 Age [ka BP]	3 G. ruber w Mg/Ca [mmol/mol]	4 SST (1-12) [°C]
18.35	8.03	4.89	26.53
18.40	8.09	5.06	26.92
18.45	8.15	4.79	26.30
18.50	8.21	4.84	26.42
18.55	8.26	4.96	26.68
18.60	8.32	5.12	27.04
18.65	8.38	4.73	26.16
18.75	8.50	4.92	26.60
18.80	8.56	4.70	26.09
18.85	8.62	5.09	26.99
18.90	8.67	4.92	26.59
18.95	8.73	4.80	26.32
19.05	8.85	4.89	26.52
19.10	8.89	4.72	26.13
19.15	8.94	4.91	26.58
19.20	8.98	4.78	26.28
19.25	9.02	4.96	26.69
19.30	9.07	4.72	26.13
19.35	9.11	4.77	26.25
19.40	9.15	4.62	25.89
19.45	9.20	4.89	26.53
19.50	9.24	4.85	26.44
19.55	9.29	4.64	25.96
19.60	9.33	4.78	26.27
19.65	9.37	5.21	27.24
19.70	9.42	4.76	26.24
19.75	9.46	4.85	26.44
19.80	9.50	4.55	25.74
19.85	9.55	4.69	26.07
19.90	9.59	4.46	25.50
19.95	9.63	4.88	26.50
20.05	9.72	4.82	26.37
20.10	9.79	4.72	26.13
20.15	9.86	4.60	25.85
20.20	9.93	4.40	25.35
20.25	10.00	4.82	26.38
20.30	10.07	4.47	25.53
20.35	10.14	4.68	26.04
20.40	10.21	5.03	26.85
20.45	10.28	4.74	26.19
20.50	10.35	4.77	26.26
20.55	10.42	4.71	26.11
20.60	10.49	4.30	25.10
20.65	10.56	4.63	25.92
20.70	10.63	4.50	25.62
20.75	10.70	5.05	26.89
20.80	10.77	4.96	26.69
20.85	10.84	5.57	27.98
20.90	10.91	4.79	26.31
20.95	10.98	4.87	26.49
21.05	11.12	5.03	26.84
21.10	11.18	4.75	26.22
21.15	11.24	4.36	25.25
21.20	11.31	4.73	26.15
21.25	11.37	4.77	26.25
21.30	11.43	4.47	25.53
21.35	11.49	4.97	26.72
21.40	11.55	4.96	26.69
21.45	11.61	4.79	26.30
21.50	11.68	4.70	26.08
21.55	11.74	4.72	26.15
21.60	11.80	5.00	26.79
21.65	11.86	4.86	26.46
21.70	11.92	4.84	26.42
21.75	11.99	4.98	26.74
21.80	12.05	4.90	26.55
21.85	12.11	4.82	26.38
21.90	12.17	4.61	25.88
21.95	12.23	4.32	25.15
22.05	12.36	4.97	26.71
22.10	12.42	4.21	24.87
22.15	12.48	4.61	25.87
22.20	12.54	4.47	25.54
22.25	12.60	4.22	24.90
22.30	12.66	4.48	25.56
22.35	12.72	4.38	25.32
22.40	12.79	4.22	24.90
22.45	12.85	4.40	25.36
22.50	12.91	4.33	25.19
22.55	12.97	4.47	25.55
22.60	13.03	4.38	25.31
22.65	13.09	4.47	25.54
22.70	13.15	4.31	25.13
22.75	13.22	4.46	25.51
22.80	13.28	4.38	25.31
22.85	13.34	4.32	25.16
22.90	13.40	4.70	26.08
22.95	13.46	4.94	26.65
23.15	13.74	4.75	26.20
23.20	13.76	4.59	25.84
23.25	13.78	4.66	26.00
23.30	13.80	4.31	25.13
23.35	13.81	4.36	25.26
23.40	13.83	4.30	25.10
23.45	13.85	4.57	25.78
23.50	13.87	4.15	24.70
23.55	13.89	4.38	25.31
23.60	13.90	4.52	25.66
23.65	13.92	4.38	25.30
23.70	13.94	4.49	25.59
23.75	13.96	4.41	25.38
23.80	13.98	4.46	25.50
23.85	13.99	4.23	24.93
23.90	14.01	5.05	26.88
23.95	14.03	4.49	25.58