Citation:

PANGAEA.919846

Name: Neogloboquadrina pachyderma and Ice rafted detritus abundance from sediment core MD01-2444 on the Portuguese Margin, Marine Isotope Stage 3
Published: 2020-07-03
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Heinrich Stadials; Interstadials; MIS 3; Portuguese Margin

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Abstract:

Planktonic Foraminifera Fauna: Identification of N. pachyderma in the greater than 150 micron size fraction was carried out on split subsamples containing at least 300 whole specimens by M.J. Mleneck-Vautravers.

Ice-Rafted Detritus: Lithic counts were undertaken on the same split fraction used for faunal identification by M.J. Mleneck-Vautravers.

Age model: The age model was developed by aligning the abrupt transitions of d18O record of G. bulloides in core MD01-2444 to warming and cooling events in the NGRIP d18Oice record, presented on: (i) the GICC05 timescale [Svensson, A. et al. A 60,000 year Greenland stratigraphic ice core chronology. Clim. Past 4, 47–57 (2008)]; and (ii) the WD2014: modified timescale, whereby NGRIP GICC05 ice ages 31.2–67.2 ka are multiplied by 1.0063. [Buizert, C. et al. The WAIS Divide deep ice core WD2014 chronology – Part 1: Methane synchronization (68–31 ka BP) and the gas age–ice age difference. Clim. Past 11, 153-173 (2015)].

Keyword(s):

Heinrich Stadials; Interstadials; MIS 3; Portuguese Margin

Supplement to:

Margari, Vasiliki; Skinner, Luke C; Menviel, Laurie; Capron, Emilie; Rhodes, Rachael H; Mleneck-Vautravers, Maryline J; Ezat, Mohamed M; Martrat, Belén; Grimalt, Joan O; Hodell, David A; Tzedakis, Polychronis C (2020): Fast and slow components of interstadial warming in the North Atlantic during the last glacial. Communications Earth & Environment, 1(1), https://doi.org/10.1038/s43247-020-0006-x

Further details:

Buizert, Christo; Cuffey, Kurt M; Severinghaus, Jeffrey P; Baggenstos, Daniel; Fudge, Tyler J; Steig, Eric J; Markle, Bradley R; Winstrup, Mai; Rhodes, Rachael H; Brook, Edward J; Sowers, Todd A; Clow, Gary D; Cheng, Hai; Edwards, Ross L; Sigl, Michael; McConnell, Joseph R; Taylor, Kendrick C (2015): The WAIS Divide deep ice core WD2014 chronology - Part 1: Methane synchronization (68–31 ka BP) and the gas age–ice age difference. Climate of the Past, 11(2), 153-173, https://doi.org/10.5194/cp-11-153-2015

Svensson, Anders M; Andersen, Katrine K; Bigler, Matthias; Clausen, Henrik Brink; Dahl-Jensen, Dorthe; Davies, Siwan M; Johnsen, Sigfús Jóhann; Muscheler, Raimund; Parrenin, Frédéric; Rasmussen, Sune Olander; Röthlisberger, Regine; Seierstad, Inger K; Steffensen, Jørgen Peder; Vinther, Bo Møllesøe (2008): A 60 000 year Greenland stratigraphic ice core chronology. Climate of the Past, 4(1), 47-57, https://doi.org/10.5194/cp-4-47-2008

Coverage:

Latitude: 37.565000 * Longitude: -10.134000

Minimum DEPTH, sediment/rock: 9.00 m * Maximum DEPTH, sediment/rock: 13.66 m

Event(s):

MD01-2444 * Latitude: 37.565000 * Longitude: -10.134000 * Elevation: -2656.0 m * Campaign: (GEOSCIENCES, MARMARCORE) * Basis: * Method/Device: Calypso Corer (CALYPSO)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, sediment/rock	Depth sed	m	Tzedakis, Polychronis C		Geocode
2	Age model	Age model	ka	Tzedakis, Polychronis C	Age model, GICC05
3	Age model	Age model	ka	Tzedakis, Polychronis C	Age model, WD2014
4	Neogloboquadrina pachyderma	N. pachyderma	%	Tzedakis, Polychronis C	Counting >150 µm fraction
5	Ice rafted debris	IRD	%	Tzedakis, Polychronis C	Counting >150 µm fraction

License:

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

Size:

616 data points

Data

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

1 Depth sed [m]	2 Age model [ka] (Age model, GICC05)	3 Age model [ka] (Age model, WD2014)	4 N. pachyderma [%] (Counting >150 µm fraction)	5 IRD [%] (Counting >150 µm fraction)
9.00	35.051	35.272	0.00	0.00
9.03	35.147	35.368	0.00	0.37
9.06	35.242	35.464	1.01	0.00
9.09	35.337	35.560	1.13	0.00
9.12	35.432	35.655	6.28	0.00
9.15	35.533	35.757	15.45	0.16
9.18	35.640	35.865	15.62	0.20
9.21	35.747	35.972	15.69	0.00
9.24	35.853	36.079	18.18	0.27
9.27	35.960	36.187	21.76	0.00
9.30	36.067	36.294	9.79	0.21
9.33	36.173	36.401	12.03	0.00
9.36	36.280	36.509	4.37	0.14
9.39	36.387	36.616	3.23	0.00
9.42	36.493	36.723	3.03	0.00
9.45	36.600	36.831	3.42	0.00
9.48	36.716	36.947	0.28	0.00
9.51	36.831	37.063	0.00	0.00
9.54	36.947	37.180	1.03	0.00
9.57	37.063	37.296	0.00	0.00
9.60	37.179	37.413	0.71	0.35
9.63	37.294	37.529	1.61	0.00
9.66	37.410	37.646	0.72	0.00
9.69	37.526	37.762	1.22	0.00
9.72	37.641	37.878	0.48	0.00
9.75	37.757	37.995	0.19	0.00
9.78	37.873	38.112	0.21	0.00
9.81	37.989	38.228	0.59	0.58
9.84	38.104	38.344	1.96	1.38
9.87	38.220	38.461	7.80	1.59
9.90	38.373	38.615	13.95	3.48
9.93	38.527	38.770	26.60	11.74
9.96	38.680	38.924	41.23	16.30
9.99	38.833	39.078	34.34	24.32
10.02	38.987	39.233	76.74	42.17
10.05	39.140	39.387	40.71	40.47
10.08	39.293	39.541	40.89	33.91
10.11	39.447	39.696	41.93	32.89
10.14	39.600	39.849	30.72	16.67
10.17	39.686	39.936	21.44	7.83
10.20	39.772	40.023	5.77	1.55
10.23	39.858	40.109	5.14	0.00
10.26	39.945	40.197	3.02	0.19
10.29	40.031	40.283	0.54	0.00
10.32	40.117	40.370	0.00	0.00
10.35	40.232	40.485	0.00	0.00
10.38	40.377	40.631	0.43	0.00
10.41	40.521	40.776	0.00	0.00
10.44	40.666	40.922	0.23	0.00
10.47	40.810	41.067	0.47	0.00
10.50	40.954	41.212	0.33	0.00
10.53	41.099	41.358	0.00	0.00
10.56	41.243	41.503	0.00	0.00
10.59	41.388	41.649	0.66	0.00
10.62	41.519	41.781	1.03	0.00
10.65	41.636	41.898	1.48	0.00
10.68	41.754	42.017	3.33	0.00
10.71	41.871	42.135	3.70	0.00
10.74	41.989	42.254	1.66	0.00
10.77	42.106	42.371	1.19	0.00
10.80	42.224	42.490	1.23	0.00
10.83	42.341	42.608	0.86	0.00
10.86	42.459	42.726	0.49	0.00
10.89	42.576	42.844	1.11	0.00
10.92	42.694	42.963	0.00	0.00
10.95	42.811	43.081	0.21	0.00
10.98	42.929	43.199	0.00	0.00
11.01	43.046	43.317	0.85	0.21
11.04	43.164	43.436	0.00	0.00
11.07	43.281	43.554	0.77	0.00
11.10	43.412	43.685	2.25	0.00
11.13	43.557	43.831	3.04	0.34
11.16	43.702	43.977	7.10	0.00
11.19	43.846	44.122	1.76	0.00
11.22	43.991	44.268	0.96	0.00
11.25	44.136	44.414	0.60	0.00
11.28	44.280	44.559	0.49	0.00
11.31	44.425	44.705	0.56	0.00
11.34	44.570	44.851	0.20	0.00
11.37	44.714	44.996	0.46	0.23
11.40	44.859	45.142	0.47	0.00
11.43	45.004	45.288	0.34	0.00
11.46	45.148	45.432	0.37	0.00
11.50	45.341	45.627	0.00	0.00
11.53	45.486	45.773	0.34	0.00
11.56	45.630	45.917	0.56	0.00
11.59	45.775	46.063	0.59	0.00
11.62	45.920	46.209	0.46	0.00
11.65	46.064	46.354	0.75	0.00
11.68	46.209	46.500	0.80	0.00
11.71	46.354	46.646	0.96	0.00
11.74	46.498	46.791	0.50	0.00
11.77	46.643	46.937	1.43	0.00
11.80	46.788	47.083	2.43	0.00
11.83	46.939	47.235	5.36	0.00
11.86	47.096	47.393	6.25	0.00
11.89	47.254	47.552	10.43	0.76
11.92	47.412	47.711	7.02	1.24
11.95	47.569	47.869	22.48	1.02
11.98	47.727	48.028	22.88	3.33
12.01	47.885	48.187	28.14	0.00
12.04	48.042	48.345	21.16	0.00
12.07	48.200	48.504	11.37	0.00
12.10	48.327	48.631	2.15	0.00
12.13	48.454	48.759	2.42	0.00
12.16	48.581	48.887	1.71	0.00
12.19	48.708	49.015	0.70	0.00
12.22	48.835	49.143	0.00	0.00
12.28	49.089	49.398	1.20	0.00
12.31	49.216	49.526	1.27	0.00
12.34	49.377	49.688	6.98	0.00
12.37	49.570	49.882	0.00	0.00
12.40	49.763	50.077	2.58	0.00
12.43	49.956	50.271	0.86	0.00
12.46	50.149	50.465	0.24	0.00
12.49	50.342	50.659	0.86	0.00
12.55	50.728	51.048	0.22	0.00
12.58	50.921	51.242	0.48	0.00
12.61	51.114	51.436	0.00	0.00
12.64	51.307	51.630	0.00	0.00
12.67	51.500	51.824	0.73	0.00
12.70	51.655	51.980	0.99	0.00
12.73	51.811	52.137	0.49	0.00
12.76	51.966	52.293	0.21	0.00
12.79	52.122	52.450	0.57	0.00
12.82	52.277	52.606	0.91	0.00
12.85	52.433	52.763	0.00	0.00
12.88	52.588	52.919	0.39	0.00
12.91	52.743	53.075	0.00	0.00
12.94	52.899	53.232	0.66	0.00
12.97	53.054	53.388	0.58	0.00
13.00	53.210	53.545	0.25	0.00
13.03	53.365	53.701	0.00	0.00
13.06	53.521	53.858	0.17	0.00
13.09	53.676	54.014	0.72	0.00
13.12	53.831	54.170	0.00	0.00
13.15	53.987	54.327	1.83	0.00
13.18	54.142	54.483	1.99	0.00
13.21	54.297	54.639	9.83	0.00
13.24	54.450	54.793	16.57	0.00
13.27	54.603	54.947	14.02	0.00
13.30	54.757	55.102	6.08	0.39
13.33	54.910	55.256	0.35	0.69
13.36	55.063	55.410	0.55	0.00
13.39	55.217	55.565	3.35	0.00
13.42	55.370	55.719	0.38	0.00
13.45	55.523	55.873	1.06	0.00
13.48	55.677	56.028	0.89	0.00
13.51	55.830	56.182	6.13	0.27
13.54	55.983	56.336	2.80	0.00
13.57	56.137	56.491	5.33	0.00
13.60	56.290	56.645	1.51	0.00
13.63	56.443	56.799	2.10	0.00
13.66	56.597	56.954	2.80	0.00