Rafter, Patrick A; Adkins, Jess F; Ahagon, Naokazu; Bryan, Sean P; Barker, Stephen; Bova, Samantha C; Li, Tao; Burke, Andrea; Chen, T; Cléroux, Caroline; Cook, Mea S; Walczak, Maureen H; de la Fuente, Maria; De Pol-Holz, Ricardo; Andree, Michael; Broecker, Wallace S; Cao, Li; Duplessy, Jean-Claude; Eltgroth, Selene F; Freeman, Emma; Galbraith, Eric Douglas; Gebhardt, Holger; Rae, James W B; Goldstein, S J; Gorbarenko, Sergey A; Hines, Sophia K V; Ikehara, Ken; Kennett, James P; Keigwin, Lloyd D; Lund, David C; Mangini, Augusto; Marchitto, Thomas M; van Geen, Alexander; Lindsay, Colin M; McKay, Jennifer L; Mix, Alan C; Minoshima, Kayo; Max, Lars; Okazaki, Yusuke; Timmermann, Axel; Robinson, Laura F; Schröder-Ritzrau, Andrea; Sarnthein, Michael; Skinner, Luke C; Gottschalk, Julia; Stott, Lowell D; Thiagarajan, Nivedita; Ezat, Mohamed M; Thornalley, David J R; Sikes, Elisabeth L; Siani, Giuseppe; Shackleton, Nicholas J; Thunell, Robert C; Ronge, Thomas A; Umling, Natalie E; Zhao, Ning; Jian, Zhimin; Missiaen, Lise; Dai, Yuhao; Ma, Rui-Fang; Weldeab, Syee; Ausín, Blanca; Praetorius, Summer K (2024): Marine fossil radiocarbon (14C) compilation up to 2021, version 2024 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.967583
Always quote citation above when using data! You can download the citation in several formats below.
Abstract:
Using a new global compilation of deep-sea 14C/C, we estimated (in Rafter et al. 2022) the average D14C (units of per mil) and 14C ventilation age (units of years) over the last 25,000 years for the deep Pacific, Atlantic, and Southern Oceans. Particularly, we estimated these basin averages for mid-depth waters (between the 27.5 to 28.0 neutral density surfaces) and bottom waters (having a neutral density >28.0). These basin averages are calculated using LOESS smoothing, but see the original text for more details. Our reasons for uploading this new data are: (1) An earlier dataset here contained an error for the mid-depth Atlantic; (2) Earlier datasets did not include the trends as D14C values; and (3) Earlier datasets did not include the Raw data (the data before normalization). We have corrected this with the new submission. Please cite the Rafter et al. 2022 when using this dataset.
Supplement to:
Rafter, Patrick A; Gray, William Robert; Hines, Sophia K V; Burke, Andrea; Costa, Kassandra M; Gottschalk, Julia; Hain, Mathis P; Rae, James W B; Southon, John R; Walczak, Maureen H; Yu, Jimin; Adkins, Jess F; DeVries, Tim (2022): Global reorganization of deep-sea circulation and carbon storage after the last ice age. Science Advances, 8(46), https://doi.org/10.1126/sciadv.abq5434
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Further details:
Funding:
National Science Foundation (NSF), grant/award no. 2015647: Eastern Pacific carbon chemistry after the ice age: gaining insight to a persistent carbon cycle mystery
National Science Foundation (NSF), grant/award no. 2032340: Collaborative Research: Uncovering marine carbon chemistry dynamics during the deglaciation with boron isotopes and radiocarbon
Natural Environment Research Council (NERC), grant/award no. NE/N011716/1: INTRIGUED: INvestigating The Role of the North Pacific In Glacial and Deglacial CO2 and Climate
Coverage:
Median Latitude: 12.430755 * Median Longitude: -120.662947 * South-bound Latitude: -60.600000 * West-bound Longitude: 7.800000 * North-bound Latitude: 78.883333 * East-bound Longitude: -0.750000
Date/Time Start: 1972-01-01T00:00:00 * Date/Time End: 2012-02-13T00:00:00
Minimum Elevation: -5010.0 m * Maximum Elevation: -240.0 m
Event(s):
50-37KL * Latitude: 18.900000 * Longitude: 115.800000 * Elevation: -2695.0 m * Location: South China Sea * Method/Device: Piston corer (BGR type) (KL)
64-480 * Latitude: 27.901700 * Longitude: -111.655700 * Date/Time: 1978-12-31T00:00:00 * Elevation: -655.0 m * Penetration: 152.1 m * Recovery: 117.3 m * Location: North Pacific/Gulf of California/BASIN * Campaign: Leg64 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 30 cores; 144 m cored; 4.8 m drilled; 81.5 % recovery
145-883 * Latitude: 51.198500 * Longitude: 167.768567 * Date/Time Start: 1992-08-09T00:00:00 * Date/Time End: 1992-08-20T00:00:00 * Elevation: -2398.3 m * Penetration: 2956.6 m * Recovery: 1225.7 m * Location: North Pacific Ocean * Campaign: Leg145 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 158 cores; 1506.1 m cored; 0 m drilled; 81.4% recovery
Comment:
This version replaces dataset doi:10.1594/PANGAEA.946522. One data file was incorrect (prafter-2022-LOESS-14C-Deep-Sea.csv). Additional files are uploaded in this version.
The files with 14Cvent in their title are the deep-sea average LOESS trends for the difference between the seawater 14C and atmospheric 14C ages (a.k.a., the 14C ventilation age in units of years). Files with D14C in their title are the same data, but reported in the D14C notation (units of per mil). The word NORM indicates that these trends are normalized to sample depth to ensure there is no biasing. Alternatively the word RAW in the title refers to the raw dataset, without any normalization according to depth.
Parameter(s):
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Basic curation (CurationLevelB)
Size:
14 data points