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IntCal13 Data Sets

A summary of the datasets used for IntCal13 is given below with references to the original datasets. These are catalogued by the institute where the 14C measurements were made in some cases and in others by the first author on the publications. Dataset number is a historical construct and makes no reflection on the date of publication. Lab codes can be found on the Radiocarbon website at www.radiocarbon.org.

Tree Rings


University of Washington
Tree-rings from Pacific Northwest Douglas fir, Californian Sequoia, Alaskan Sitka Spruce, and from the German Oak and Irish Oak chronologies.
Lab code: QL
Dataset number: 1

Note: IntCal04 (Reimer et al. 2004) introduced updates to the calendar age of the German Pine measurements and some reinstated tree-rings from German oaks affected by beetles which previously could not be dendrodated (cf. Friedrich et al., 2004)

Queen's University Belfast
Tree-rings from Irish Oak and German Oak chronologies
Lab code: UB
Dataset number: 2

University of Waikato
Tree-rings from Irish Oak chronology
Lab code: Wk
Dataset number: 3

McCormac, F.

University of Groningen
Tree-rings from German Oak chronology
Lab Code: GrN
Dataset number: 4

Heidelberger Akademie der Wissenschaften
Tree-rings from German Oak & Pine chronology
Lab code: Hd
Dataset number: 5

Note: IntCal04 (Reimer et al. 2004) introduced updates to the calendar age of the German Pine measurements and some reinstated tree-rings from German oaks affected by beetles which previously could not be dendrodated (cf. Friedrich et al., 2004) as well as previously unpublished data (some of which from the East Mediterranean Radiocarbon Comparison Project is included in Kromer, B, Manning, S, Friedrich, M, Talamo, S & Trano, N. 2009. 14C calibration in the 2nd and 1st millennia BC - Eastern Mediterranean Radiocarbon Comparison Project (EMRCP). In: 20th International Radiocarbon Conference Kona, Hawaii.

CSIR, Pretoria
Labcode: Pta
Tree-rings from German Oak chronology
Dataset number: 6

Center for Accelerator Mass Spectrometry
Tree-rings from Irish Oak chronology
Labcode: CAMS
Dataset number: 7

University of California, Irvine
Tree-rings from Bristlecone Pine chronology
Labcode: UCIAMS
Dataset number: 8

Varved Lake Sediments

Bronk Ramsey, et al
Lake Suigetsu varved sediments
Labcode: OXA, SUERC, GRA
Dataset number: 9

Corals and Foraminifera

E. Bard et al.
Corals from Barbados, Tahiti, Mururoa and New Guinea
Labcode: GifA
Dataset number: 10

R.G. Fairbanks et al.
Corals from Araki, Barbados and Kirimati
Labcode: CAMS, Gif and KIA
Dataset number:11

R. L. Edwards et al.
Corals from Huon Peninsula, Papua New Guinea
Labcodes: AA and WHOI
Dataset number: 12

G.S. Burr et al.
Corals from Vanuatu and Papua New Guinea
Labcode: AA
Dataset number: 13

K. B. Cutler et al.
Corals from Vanuatu and Papua New Guinea
Labcode: not given
Dataset number: 14

K. A. Hughen et al.
Foraminifera from Cariaco Basin varved sediments
Labcode: CAMS
Dataset number: 15

Stuiver, M. and Braziunuas, TF.
Marine Model
Labcode:
Dataset number: 16

Durand, N. et al
Tahiti IODP core
Labcode:
Dataset number: 17

Cariaco Basin- Hulu timescale
Foraminifera from Cariaco Basin non-varved sediments
Labcode: CAMS, NSRL, and UCIAMS
Dataset number: 20

Iberian Margin- Hulu timescale
Foraminifera from Iberian Margin non-varved sediments
Labcode: KIA, GifA, OS
Dataset number: 21

Pakistan Margin- Hulu timescale
Foraminifera from Pakistan Margin non-varved sediments
Labcode: SacA
Dataset number: 22

Speleothems

University of California, Irvine
Speliothems from Hulu cave
Labcode: UCIAMS
Dataset number: 24

University of Arizona
Speliothems from Bahamas GB89-25-3 core
Labcode: AA
Dataset number: 25

University of Arizona
Speliothems from Bahamas GB89-24-1 core
Labcode: AA
Dataset number: 26

Additional references:

Friedrich, M., Remmele, S., Kromer, B., Hofmann, J., Spurk, M., Kaiser, K. F., Orcel, C., and Kueppers, M. (2004). The 12,460-year Hohenheim oak and pine tree-ring chronology from Central Europe - A unique annual record for radiocarbon calibration and palaeo-environment reconstructions. Radiocarbon 46: 1111-1122.

Reimer, PJ, et al., 2004, IntCal04 Atmospheric radiocarbon age calibration, 26-0 ka BP, Radiocarbon 46:1026-1058