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PANGAEA.
Data Publisher for Earth & Environmental Science
Abstract:
In this dataset we present a global compilation of over 1000 sedimentary records of 230Th from across the global ocean at two time slices, the Late Holocene (0-5000 years ago, or 0-5 ka) and the Last Glacial Maximum (18.5-23.5 ka). Data have been screened for age control, errors, and lithogenic corrections. Overall quality levels were computed by summing each record's scores on the individual criteria. A record is optimal if it is based on a chronology that is constrained by δ18O or 14C and it provides both the raw nuclide concentrations and the associated errors. About one quarter of the records in the database achieved this highest quality level. The large majority of the records in the database are good, passing two of the three criteria, while the remaining quarter are of fair or poor quality.
Supplement to:
Costa, Kassandra M; Hayes, Christopher T; Anderson, Robert F; Pavia, Frank J; Bausch, Alexandra Renee; Deng, Feifei; Dutay, Jean-Claude; Geibert, Walter; Heinze, Christoph; Henderson, Gideon M; Hillaire-Marcel, Claude; Hoffmann, Sharon S; Jaccard, Samuel L; Jacobel, Allison W; Kienast, Stephanie S; Kipp, Lauren; Lerner, Paul; Lippold, Jörg; Lund, David C; Marcantonio, Franco; McGee, David; McManus, Jerry F; Mekik, Figen; Middleton, Jennifer L; Missiaen, Lise; Not, Christelle; Pichat, Sylvain; Robinson, Laura F; Rowland, George Henry; Roy-Barman, Matthieu; Tagliabue, Alessandro; Torfstein, Adi; Winckler, Gisela; Zhou, Yuxin (2020): 230Th Normalization: New Insights on an Essential Tool for Quantifying Sedimentary Fluxes in the Modern and Quaternary Ocean. Paleoceanography and Paleoclimatology, 35(2), https://doi.org/10.1029/2019PA003820
Related to:
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Coverage:
Median Latitude: -6.053195 * Median Longitude: -26.101906 * South-bound Latitude: -76.400000 * West-bound Longitude: -179.850000 * North-bound Latitude: 90.000000 * East-bound Longitude: 179.850000
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1ORDINAL NUMBEROrd NoCosta, Kassandra MGeocode
2OceanOceanCosta, Kassandra M
3IdentificationIDCosta, Kassandra MCore name
4Reference/sourceReferenceCosta, Kassandra M
5LATITUDELatitudeCosta, Kassandra MGeocode
6LONGITUDELongitudeCosta, Kassandra MGeocode
7DEPTH, waterDepth watermCosta, Kassandra MGeocode
8Uranium/Thorium ratioU/ThCosta, Kassandra Mlithogenic
9Total sediment fluxSed fluxg/cm2/kaCosta, Kassandra MMean Holocene (0-5 ka)
10Thorium 230 excess, decay-corrected230Th xs,0dpm/gCosta, Kassandra MMean Holocene (0-5 ka)
11Total sediment fluxSed fluxg/cm2/kaCosta, Kassandra MMean Holocene (0-10 ka)
12Thorium 230 excess, decay-corrected230Th xs,0dpm/gCosta, Kassandra MMean Holocene (0-10 ka)
13Total sediment fluxSed fluxg/cm2/kaCosta, Kassandra MMean LGM (18.5-23.5 ka)
14Thorium 230 excess, decay-corrected230Th xs,0dpm/gCosta, Kassandra MMean LGM (18.5-23.5 ka)
15RatioRatioCosta, Kassandra MLGM/Hol (0-5 ka) mass flux ratio
16Focusing factorFocus facCosta, Kassandra MHolocene (0-5 ka)
17Focusing factorFocus facCosta, Kassandra MLGM (18.5-23.5 ka)
18DistanceDistancekmCosta, Kassandra Mto land
19FlagFlagCosta, Kassandra MAge Model (1=14C or d18O constrained, 0=other)
20FlagFlagCosta, Kassandra MData (1=Raw Cncns or 230Thxs0 provided, 0=only Mass Flux provided)
21FlagFlagCosta, Kassandra MData (1=Errors provided, 0=No errors provided)
22Quality levelQual levelCosta, Kassandra MSum of 3 quality flags; 3 = best
23CommentCommentCosta, Kassandra M
Size:
15667 data points

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