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Nürnberg, Dirk; Gehre, Nadine; Fessler, Sebastian (2025): Radiocarbon datings of planktic foraminifer samples from core M78/1_181-3 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.975176

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Published: 2025-02-17 • DOI registered: 2025-03-18

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Abstract:
The Mississippi River discharge effectively shaped the dynamics of the Loop Current in the Gulf of Mexico during transient climates and interglacials, and reacted in response to changes in sea level and atmospheric circulation. We here provide proxydata records from piston core M78/1-181-3 PC. The ~12 m-long core was recovered from the Mississippi Alabama shelf very close to and southeast of the recent Mississippi delta (29°00.00'N 88°20.00'W) from 804 m water depth during R/V Meteor Cruise M78/1 in 2009 (doi:10.2312/cr_m78_1). The proxyrecords cover the last ~42 kyrs at centennial resolution. The dataset comprises 5 Accelerator Mass Spectrometry (AMS) radiocarbon (14C) ages obtained from sediment core M78/1-181-3, measured by the 'Leibniz-Labor für Altersbestimmung und Isotopenforschung Kiel', https://www.leibniz.uni-kiel.de. The AMS14C ages were measured on samples of mixed planktic calcitic foraminifera. The raw radiocarbon ages were calibrated using the software Calib 6.0 and a constant reservoir age correction of 408 yrs following Nürnberg et al. (2008).
Keyword(s):
Gulf of Mexico; Mississippi discharge; Radiocarbon datings
Related to:
Kujau, Ariane; Nürnberg, Dirk; Zielhofer, Christoph; Bahr, André; Röhl, Ursula (2010): Mississippi River discharge over the last ~560,000 years -- Indications from X-ray fluorescence core-scanning. Palaeogeography, Palaeoclimatology, Palaeoecology, 298, 311-318, https://doi.org/10.1016/j.palaeo.2010.10.005
Nürnberg, Dirk; Bahr, André; Mildner, Tanja; Eden, Carsten (2015): Loop Current Variability—Its Relation to Meridional Overturning Circulation and the Impact of Mississippi Discharge. In: Schulz, M, Paul, A (eds.), Integrated Analysis of Interglacial Climate Dynamics (INTERDYNAMIC), SpringerBriefs in Earth System Sciences, Springer International Publishing, Cham, 55-62, https://doi.org/10.1007/978-3-319-00693-2_10
Nürnberg, Dirk; Ziegler, Martin; Karas, Cyrus; Tiedemann, Ralf; Schmidt, Matthew W (2008): Interacting Loop Current variability and Mississippi River discharge over the past 400 kyr. Earth and Planetary Science Letters, 272(1-2), 278-289, https://doi.org/10.1016/j.epsl.2008.04.051
Reimer, Paula J; Baillie, Mike G L; Bard, Edouard; Bayliss, Alex; Beck, J Warren; Blackwell, Paul G; Ramsey, Christopher Bronk; Burr, George S; Edwards, R Lawrence; Friedrich, Michael; Grootes, Pieter Meiert; Guilderson, Thomas P; Hajdas, Irena; Heaton, T J; Hogg, Alan G; Hughen, Konrad A; Kaiser, Klaus-Felix; Kromer, Bernd; McCormac, F Gerry; Manning, Sturt W; Reimer, Ron W; Richards, David A; Southon, John R; Talamo, Sahra; Turney, Chris S M; van der Plicht, Johannes; Weyhenmeyer, Constanze E (2009): IntCal09 and Marine09 Radiocarbon Age Calibration Curves, 0-50,000 Years cal BP. Radiocarbon, 51(4), 1111-1150, https://doi.org/10.1017/S0033822200034202
Ziegler, Martin; Nürnberg, Dirk; Karas, Cyrus; Tiedemann, Ralf; Lourens, Lucas Joost (2008): Persistent summer expansion of the Atlantic Warm Pool during glacial abrupt cold events. Nature Geoscience, 1, 601-605, https://doi.org/10.1038/ngeo277
Project(s):
Integrierte Analyse zwischeneiszeitlicher Klimadynamik (INTERDYNAMIK)
Funding:
German Research Foundation (DFG), grant/award no. 25575884: Integrierte Analyse zwischeneiszeitlicher Klimadynamik
Coverage:
Latitude: 29.000000 * Longitude: -88.333333
Date/Time Start: 2009-03-04T11:58:00 * Date/Time End: 2009-03-04T11:58:00
Minimum DEPTH, sediment/rock: 0.03 m * Maximum DEPTH, sediment/rock: 3.43 m
Event(s):
M78/1_181-3 (181-3) * Latitude: 29.000000 * Longitude: -88.333333 * Date/Time: 2009-03-04T11:58:00 * Elevation: -803.5 m * IGSN: https://doi.org/10.58031/KIEL0156GERK101 * Location: Mississippi Profile Station 1 * Campaign: M78/1 * Basis: Meteor (1986) * Method/Device: Piston corer (PC)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Laboratory code/labelLab labelNürnberg, DirkLeibniz-Labor für Altersbestimmung und Isotopenforschung Kiel
2 Age, dated materialDated materialNürnberg, Dirk
3 Sample commentSample commentNürnberg, Dirk
4 DEPTH, sediment/rockDepth sedmNürnberg, DirkGeocode
5 Age, datedAge datedkaNürnberg, DirkAge, 14C AMSMethod: Nürnberg et al., 2015
6 Age, dated, range, minimumAge dated minkaNürnberg, DirkMethod: Nürnberg et al., 2015
7 Age, dated, range, maximumAge dated maxkaNürnberg, DirkMethod: Nürnberg et al., 2015
8 Calendar age, minimum/youngCal age minka BPNürnberg, DirkRaw radiocarbon ages were calibrated to calender years using Calib 6.0 and a constant reservoir age correction of 408 yrs (Reimer et al., 2009)
9 Calendar age, maximum/oldCal age maxka BPNürnberg, DirkRaw radiocarbon ages were calibrated to calender years using Calib 6.0 and a constant reservoir age correction of 408 yrs (Reimer et al., 2009)
10 Calendar age, medianCal age medianka BPNürnberg, DirkRaw radiocarbon ages were calibrated to calender years using Calib 6.0 and a constant reservoir age correction of 408 yrs (Reimer et al., 2009)
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
45 data points

Data

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

1 
Lab label		2 
Dated material		3 
Sample comment		4 
Depth sed [m]		5 
Age dated [ka]		6 
Age dated min [ka]		7 
Age dated max [ka]		8 
Cal age min [ka BP]		9 
Cal age max [ka BP]		10 
Cal age median [ka BP]
KIA 41607mixed pl. foraminiferscalcium carbonate0.030.7550.7250.7850.3080.4670.387
KIA 44343mixed pl. foraminiferscalcium carbonate1.087.7157.6757.7558.0578.2998.178
KIA 44344mixed pl. foraminiferscalcium carbonate1.7812.09012.03012.15013.36713.71013.538
KIA 44345mixed pl. foraminiferscalcium carbonate2.4313.38613.32613.44615.10216.27215.687
KIA 41608mixed pl. foraminiferscalcium carbonate3.4315.59015.50015.68018.03118.36918.200