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deLong, Kimberly; Blackburn, Terrence; Caissie, Beth; Addison, Jason A; Stroynowski, Zuzanna N; Reimi Sipala, Maria; Marcantonio, Franco; Ravelo, Ana Christina (2025): Radiocarbon ages from IODP Site 323-U1340 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.974822

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Published: 2025-02-13DOI registered: 2025-03-14

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Abstract:
The Bølling-Allerød deglacial event is marked by high diatom productivity and opal deposition throughout the subarctic Pacific. To investigate the cause of this event, we quantified several productivity-related sedimentary parameters that reflect the near-surface biogeochemistry from the Integrated Ocean Drilling Program (IODP) Site 323-U1340 in the Bering Sea. Radiocarbon data, originally published in Schlung et al. (2013, doi:10.1029/2012PA002365), were re-calibrated using Calib 8.2 (Stuiver & Reimer, 1993; doi:10.1017/S0033822200013904).
Keyword(s):
Age model; biogenic opal; Diatom assemblage; nitrogen content; Silicon isotopes; Uranium-Thorium
Supplement to:
deLong, Kimberly; Blackburn, Terrence; Caissie, Beth; Addison, Jason A; Stroynowski, Zuzanna N; Sipala, M R; Marcantonio, Franco; Ravelo, Ana Christina (2025): Bølling-Allerød Productivity in the Subarctic Pacific Driven by Seasonal Upwelling. Geophysical Research Letters, 52(8), e2024GL109614, https://doi.org/10.1029/2024GL109614
Source:
Schlung, Shilo A; Ravelo, Ana Christina; Aiello, Ivano W; Andreasen, Dyke; Cook, Mea S; Drake, Michelle K; Dyez, Kelsey A; Guilderson, Thomas P; LaRiviere, Jonathan P; Stroynowski, Zuzanna N; Takahashi, Kozo (2013): A high-resolution record from IODP Site 323-U1440 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.824452
Coverage:
Latitude: 53.400000 * Longitude: -179.521000
Date/Time Start: 2009-07-22T00:00:00 * Date/Time End: 2009-07-22T00:00:00
Minimum Elevation: -1294.0 m * Maximum Elevation: -1294.0 m
Event(s):
323-U1340 * Latitude: 53.400000 * Longitude: -179.521000 * Date/Time: 2009-07-22T00:00:00 * Elevation: -1294.0 m * Location: Bering Sea * Campaign: Exp323 (Bering Sea Paleoceanography) * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
107 data points

Data

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


Sample label

Sample comment

Depth comp [mcd]

Age [ka BP]

Age e [±]

ΔR [ka]

ΔR std dev [±]

Cal age [ka BP]

Cal age [ka BP]
10 
Med Prob age [ka BP]
11 
Age unc [±]
12 
Cal age [ka BP]
(# = accepted)
13 
Res age [ka]
14 
Res age unc [±]
15 
Cal age [ka BP]
323-U1340A-1H-1,0-5Planktics-0.03555.800.0350.2250.35.4446.1195.770.355.7700.715536883.000
323-U1340A-1H-1,84-89Planktics0.807010.890.0570.2250.311.37812.27011.820.4510.1541.9700.0802.42
323-U1340A-1H-1,117-122Planktics1.135011.980.0350.2250.312.75813.37413.090.3312.2171.5600.0550.37
323-U1340A-1H-1,122-127Planktics1.185012.440.0350.2250.313.22313.96413.610.3812.8721.4750.0550.35
323-U1340A-1H-2,21-22Planktics1.654513.440.0400.2250.314.53815.48315.000.4814.3471.0500.0650.89
323-U1340A-1H-2,42-47Planktics1.885013.640.0400.2250.314.88615.75715.300.4614.7231.2400.0901.07
323-U1340A-1H-3,42-47Planktics (archive/working half)3.385015.420.0640.2250.317.19617.95917.570.39#17.5700.9559.19
323-U1340A-2H-3,112-116Planktics9.172025.090.1200.2250.327.82728.52928.190.36#28.190