Citation:

PANGAEA.931028

Name: Diatom bound nitrogen isotopes of sediment core MD12-3394
Published: 2021-05-03
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Diatom; nitrogen isotope; Southern Ocean; TEX86

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Keyword(s):

Diatom; nitrogen isotope; Southern Ocean; TEX86

Funding:

German Research Foundation (DFG), grant/award no. 2294/2-1: DFG grant GO 2294/2-1

National Science Foundation (NSF), grant/award no. PLR-1401489

Swiss National Science Foundation (SNF), grant/award no. 144811 : SeaO2 - Past changes in Southern Ocean overturning circulation - implications for the partitioning of carbon and oxygen between the ocean and the atmosphere

Swiss National Science Foundation (SNF), grant/award no. 145695 : Late Pleistocene evolution of nutrient cycling in the subarctic Pacific and Southern Ocean inferred from diatom-bound nitrogen isotopes

Swiss National Science Foundation (SNF), grant/award no. 168625 : Southern Ocean Paleoceanography and glacial-interglacial changes in the efficiency of the biological pump

Swiss National Science Foundation (SNF), grant/award no. 172915 : SeaO2 - Past changes in Southern Ocean overturning circulation - implications for the partitioning of carbon and oxygen between the ocean and the atmosphere

Coverage:

Latitude: -48.383000 * Longitude: 64.583000

Minimum DEPTH, sediment/rock: 0.00 m * Maximum DEPTH, sediment/rock: 17.90 m

Event(s):

MD12-3394 * Latitude: -48.383000 * Longitude: 64.583000 * Elevation: -2320.0 m * Method/Device: Calypso Corer (CALYPSO)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, sediment/rock	Depth sed	m	Ai, Xuyuan E		Geocode
2	AGE	Age	ka BP	Ai, Xuyuan E		Geocode
3	δ15N, diatom-bound organic matter	δ15N DB	‰ air	Ai, Xuyuan E
4	δ15N, diatom-bound organic matter, standard deviation	δ15N DB std dev	±	Ai, Xuyuan E	calculated, 1 sigma
5	δ15N, diatom-bound organic matter, offset	δ15N DB offset	‰ air	Ai, Xuyuan E

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

684 data points

Data

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

1 Depth sed [m]	2 Age [ka BP]	3 δ15N DB [‰ air]	4 δ15N DB std dev [±]	5 δ15N DB offset [‰ air]
0.00	1.53	2.77	0.23	-0.080
0.10	2.73	2.77	0.18	0.106
0.20	3.18	2.83	0.03	-0.546
0.30	3.63	2.85		0.150
0.40	4.07	3.04	0.15	-0.266
0.50	4.52	3.09	0.02	-0.130
0.60	4.97	2.97	0.17	0.009
0.70	5.43	3.15	0.17	-0.208
0.80	5.90	3.21	0.12	0.266
0.90	6.36	3.18	0.16	-0.273
1.00	6.83	3.47	0.06	0.101
1.10	7.29	3.41	0.05	-0.069
1.20	7.76	3.26	0.07	-0.233
1.30	8.00	3.27	0.09	-0.168
1.40	8.25	3.42	0.16	-0.105
1.50	8.49	3.43	0.02	0.194
1.60	8.74	3.67	0.01	0.144
1.70	8.98	3.67	0.03	0.303
1.80	9.23	3.63	0.04	0.526
1.90	9.80	3.40	0.10	0.437
2.00	9.98	3.70	0.13	0.658
2.10	10.15	3.54	0.15	0.187
2.20	10.33	3.74	0.30	0.957
2.30	10.51	3.53	0.04	0.322
2.40	10.69	3.58	0.11	0.343
2.50	10.93	3.91	0.17	0.605
2.60	11.17	4.13	0.01	0.834
2.70	11.41	4.30	0.17	1.735
2.80	11.65	4.34	0.24	1.001
2.90	12.16	4.66	0.16	0.326
3.00	12.70	4.68	0.16	0.256
3.10	13.24	4.16	0.16	-0.055
3.20	13.79	4.22	0.04	-0.468
3.30	14.33	3.80	0.10	-0.373
3.40	14.87	4.30	0.15	-0.371
3.50	15.41	4.98	0.06	0.457
3.60	15.95	5.10	0.06	0.266
3.70	16.49	5.91	0.08	0.761
3.80	17.04	5.72	0.05	-0.036
3.90	17.58	5.63	0.04	-0.453
4.00	18.12	5.58	0.05	-0.597
4.05	18.89	5.64	0.10	-0.448
4.10	19.78	5.76	0.06	-0.396
4.15	20.68	5.80	0.01	-0.185
4.20	21.57	5.52	0.30	-0.264
4.25	22.47	6.03	0.17	-0.318
4.30	23.36	5.66	0.12	-0.392
4.35	24.26	5.97	0.08	-0.263
4.40	25.15	5.74	0.04	-0.569
4.45	26.05	6.02	0.04	-0.118
4.50	26.94	6.31	0.10	0.109
4.55	27.83	5.99	0.05	0.264
4.60	28.73	6.05	0.05	0.095
4.65	29.62	5.59	0.32	-0.221
4.70	30.52	5.42	0.29	-0.642
4.75	31.41	6.06		-0.079
4.80	32.31	6.07	0.01	0.159
4.85	33.20	5.67	0.07	0.009
4.90	34.10	5.65	0.18	-0.544
4.95	34.99	5.46	0.13	-0.241
5.00	35.89	5.09	0.06	-0.878
5.05	36.78	4.91	0.02	-0.895
5.10	37.68	4.86	0.05	-0.227
5.15	38.21	5.29	0.19	-0.169
5.20	38.66	5.35	0.02	0.174
5.25	39.10	5.15	0.25	-0.044
5.30	39.55	5.03	0.03	-1.015
5.35	39.99	5.62	0.21	0.160
5.40	40.44	5.46	0.05	0.010
5.45	40.89	5.13	0.03	-0.879
5.50	41.33	5.49	0.04	-0.079
5.55	41.78	5.48	0.05	-0.523
5.60	42.23	5.48	0.07	-0.414
5.65	42.67	5.63	0.04	-0.204
5.70	43.12	5.61	0.13	0.287
5.75	43.56	5.52	0.03	-0.105
5.80	44.01	5.36	0.07	-0.570
5.85	44.46	5.29	0.03	-0.444
5.90	44.90	5.16	0.08	-0.381
5.95	45.35	5.31	0.06	0.079
6.00	45.79	4.85	0.02	-0.012
6.05	46.11	4.59	0.16	-0.548
6.10	46.40	4.83	0.03	-0.078
6.15	46.68	5.00	0.14	0.294
6.20	46.97	5.29	0.14	0.203
6.25	47.25	5.38	0.05	0.228
6.30	47.54	5.14	0.05	-0.177
6.35	47.83	5.60	0.02	0.151
6.40	48.11	5.83	0.01	0.141
6.45	48.40	5.85	0.01	0.601
6.50	48.68	5.38	0.04	-0.087
6.55	48.97	6.02	0.01	0.828
6.60	49.26	6.47	0.02	0.856
6.65	49.54	6.39	0.04	1.018
6.70	49.83	6.16	0.13	0.612
6.75	50.11	6.45	0.17	1.191
6.80	50.40	6.32	0.06	0.904
6.85	50.69	6.32	0.01	0.956
6.90	50.97	6.19	0.03	0.815
6.95	51.26	5.87	0.07	0.468
7.00	51.54	5.72	0.12	0.588
7.05	51.83	5.60	0.08	0.452
7.10	52.12	5.19	0.25	0.308
7.15	52.44	5.45	0.11	0.336
7.20	52.77	5.73	0.07	0.677
7.25	53.10	5.53	0.13	0.917
7.30	53.43	5.79	0.12	1.137
7.35	53.76	5.92	0.10	0.672
7.40	54.09	6.10	0.00	0.916
7.45	54.42	5.93	0.01	0.622
7.50	54.75	5.81	0.06	0.326
7.55	55.08	5.98	0.17	0.688
7.60	55.41	5.79	0.00	0.213
7.65	55.74	6.04	0.14	0.309
7.70	56.07	5.56	0.14	-0.237
7.75	56.40	5.69	0.02	0.424
7.80	56.73	5.33	0.09	0.121
7.85	57.06	5.25	0.10	0.148
7.90	57.39	5.06	0.07	-0.373
7.95	57.72	5.06	0.02	0.292
8.00	58.05	4.83	0.17	-0.204
8.05	58.38	4.73	0.04	0.074
8.10	58.71	4.55	0.02	-0.306
8.15	59.04	4.57	0.09	-0.367
8.20	59.37	4.39	0.00	-0.931
8.25	59.70	4.55	0.10	-0.805
8.30	60.03	4.28	0.05	-0.859
8.35	60.36	5.04	0.00	-0.430
8.40	60.69	5.29	0.00	-0.008
8.45	61.02	4.75	0.07	-0.740
8.50	61.35	5.17	0.06	-0.294
8.55	61.68	5.30	0.02	-0.263
8.60	62.01	4.86	0.03	-1.067
8.65	62.34	4.97	0.17	-0.966
8.70	62.67	4.80	0.15	-1.132
8.75	63.00	4.65	0.05	-1.175
8.80	63.40	4.38	0.15	-1.709
8.85	63.82	4.60	0.01	-1.307
8.90	64.24	4.82	0.07	-1.046
8.95	64.66	4.61	0.19	-1.326
9.00	65.07	4.13	0.11	-1.458
9.10	65.91	4.97	0.07	-0.982
9.20	66.75	5.31	0.17	-0.623
9.30	67.58	5.06	0.01	-0.670
9.40	68.42	5.04	0.01	-0.646
9.50	69.25	4.69	0.34	-1.384
9.60	70.09	4.91	0.26	-0.563
9.70	70.90	5.26	0.05	0.349
9.80	71.72	5.40	0.10	0.130
9.90	72.53	4.72	0.22	-0.999
10.00	73.35	4.76	0.07	-0.378
10.10	74.01	4.48	0.11	-0.333
10.20	74.66	4.71	0.15	0.296
10.30	75.31	4.59	0.02	-0.443
10.40	75.96	4.98	0.10	-0.386
10.50	76.60	4.76	0.14	-0.487
10.60	77.25	4.63	0.07	-0.240
10.70	77.90	4.37	0.07	-0.842
10.80	78.55	4.49		-0.561
10.90	79.20	4.84		-0.112
11.00	79.84	4.49	0.18	-0.296
11.10	80.49	4.39		-0.359
11.20	81.14	4.15		-0.522
11.30	81.79	4.03	0.01	-0.315
11.40	82.43	3.73		-0.293
11.50	83.08	3.71		-0.203
11.60	83.73	4.40	0.21	0.164
11.70	84.38	4.74		0.254
11.80	85.03	3.41	0.12	-1.095
11.90	85.82	4.67	0.18	-0.141
12.00	86.64	4.63		-0.466
12.10	87.45	4.82		-0.220
12.20	88.27	5.13	0.15	0.079
12.30	89.08	4.38		-0.759
12.40	89.90	4.54		-0.267
12.50	90.71	4.47	0.13	-0.673
12.60	91.52	4.30		-0.543
12.70	92.34	4.47		-0.362
12.80	93.15	4.62	0.02	-0.135
12.90	93.97	4.23		-0.383
13.00	94.78	4.53		0.074
13.10	95.60	4.10	0.05	-0.656
13.20	96.41	3.99		-0.702
13.30	97.23	4.25		-0.162
13.40	98.04	4.19	0.18	-0.420
13.50	98.86	4.22		-0.433
13.60	99.67	4.38		-0.185
13.70	100.48	4.20	0.14	-0.082
13.80	101.30	3.69	0.09	-0.527
13.90	102.11	3.96	0.06	-0.550
14.00	102.93	3.49	0.23	-1.271
14.10	103.88	3.22	0.24	-1.770
14.20	104.84	3.57	0.06	-1.064
14.30	105.81	3.34	0.20	-1.401
14.40	106.77	3.95	0.02	-0.501
14.50	107.73	3.70	0.13	-1.172
14.60	108.29	3.92	0.26	-1.378
14.70	108.81	3.75	0.17	-1.576
14.80	109.33	3.99	0.14	-1.054
14.90	109.84	3.31	0.28	-1.437
15.00	110.36	3.04	0.04	-1.754
15.10	111.39	3.24	0.09	-1.676
15.20	112.48	3.20	0.23	-1.287
15.30	113.56	3.08	0.28	-1.270
15.40	114.65	2.46	0.07	-1.539
15.50	115.74	2.29	0.44	-1.527
15.60	116.83	2.41	0.01	-1.066
15.70	117.91	2.33	0.11	-0.633
15.80	119.00	2.59	0.05	-0.195
15.90	121.39	2.62	0.27	0.143
16.00	123.93	2.67	0.15	0.530
16.05	125.20	3.00	0.07	0.355
16.10	126.26	3.53	0.16	0.836
16.15	127.28	3.35	0.29	1.108
16.20	128.30	4.30	0.04	2.802
16.25	129.32	4.96	0.27	3.397
16.30	130.33	5.05	0.38	2.955
16.35	131.35	5.69	0.02	2.766
16.40	132.37	5.82	0.11	2.083
16.45	133.39	6.05	0.12	1.506
16.50	134.30	6.36	0.16	1.489
16.55	135.19	6.31		0.937
16.60	136.08	6.42	0.18	1.037
16.65	136.97	6.36		0.565
16.70	137.86	6.00	0.03	0.201
16.75	138.75	5.46		-0.535
16.80	139.47	5.57	0.00	-0.299
16.90	140.81	5.91		-0.054
17.00	142.15	5.75	0.05	-0.074
17.10	143.49	6.10		0.505
17.20	144.83	6.22	0.08	0.396
17.30	146.17	6.33		0.677
17.40	147.51	6.19	0.07	0.223
17.50	148.85	6.07		0.401
17.60	150.19	6.13	0.13	0.807
17.70	151.54	5.89		0.514
17.80	152.88	5.76	0.14	0.060
17.90	154.22	5.91		0.124