ABOUT THIS COLLECTION

Radiocarbon is the main international journal of record for research articles and date lists relevant to 14C and other radioisotopes and techniques used in archaeological, geophysical, oceanographic, and related dating.

This archive provides access to Radiocarbon Volumes 1-54 (1959-2012).

As of 2016, Radiocarbon is published by Cambridge University Press. The journal is published quarterly. Radiocarbon also publishes conference proceedings and monographs on topics related to fields of interest. Visit Cambridge Online for new Radiocarbon content and to submit manuscripts.

ISSN: 0033-8222

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Recent Submissions

  • Radiocarbon, Volume 42, Number 3 (2000)

    Department of Geosciences, The University of Arizona, 2000-01-01
  • Radiocarbon, Volume 42, Number 2 (2000)

    Department of Geosciences, The University of Arizona, 2000-01-01
  • Radiocarbon, Volume 42, Number 1 (2000)

    Department of Geosciences, The University of Arizona, 2000-01-01
  • From the Editor

    Jull, Tim (Department of Geosciences, The University of Arizona, 2000-01-01)
  • Erratum

    Jull, Tim (Department of Geosciences, The University of Arizona, 2000-01-01)
  • Editorial Board

    Department of Geosciences, The University of Arizona, 2000-01-01
  • A Tribute to Renee Kra: Radiocarbon Managing Editor for Thirty Years

    Department of Geosciences, The University of Arizona, 2000-01-01
  • Radiocarbon in the Ocean

    Nydal, Reidar (Department of Geosciences, The University of Arizona, 2000-01-01)
    In addition to dating, radiocarbon has heen widely used as a tracer in the study of the global carbon cycle. And particularly the exchange of CO2 between the atmosphere and the ocean. The anthropogenic input of 14C from nuclear weapons tests in the atmosphere stimulated this research. Developing from frequent measurements made in the atmosphere and ocean's surface, the measuremens later became more focused towards understanding the circulation in the deep ocean. From a few attempts at the end of 1950 to measure the 14C increase in the ocean surface (Rafter and Fergusson 1957), the measurement program developed to include such programs as GEOSECS, TTO, JGOFS, SAVE, and WOCE, which obtain comprehensive ocean data, including 14C for the study of ocean circulation. Only in the ocean surface has it been possible to obtain timeseries of 14C measurements as in the atmosphere. For the deep ocean, repeat measurements arc generally several years apart. This sampling frequency is probably sufficient for the majority of the deep ocean. With its long time scale of change.
  • What Future for Radiocarbon?

    Scott, E. M.; Harkness, D. D. (Department of Geosciences, The University of Arizona, 2000-01-01)
    n this short article, we summarize some milestones in the 50-yr-long development of natural 14C measurement. In the light of this appraisal we presume to hazard some personal opinions and forecasts as to where best opportunities might lie for future gains from the continued investment in applied 14C science. The technique and the journal are one and the same in this regard.
  • The Use of Bayesian Statistics for 14C Dates of Chronologically Ordered Samples: A Critical Analysis

    Steier, Peter; Rom, Werner (Department of Geosciences, The University of Arizona, 2000-01-01)
    Bayesian mathematics provides a tool for combining radiocarbon dating results on findings from an archaeological context with independent archaeological information such as the chronological order, which may be inferred from stratigraphy. The goal is to arrive at both a more precise and a more accurate date. However, by means of simulated measurements we will show that specific assumptions about prior probabilities—implemented in calibration programs and not evident to the user—may create artifacts. This may result in dates with higher precision but lower accuracy, and which are no longer in agreement with the true ages of the findings.
  • The Radiocarbon Content of Individual Lignin-Derived Phenols: Technique and Initial Results

    McNichol, A. P.; Ertel, J. R.; Eglinton, T. I. (Department of Geosciences, The University of Arizona, 2000-01-01)
    We present a method for the isolation of phenolic compounds derived from lignin for radiocarbon analysis.These phenols are generated by chemical oxidation of polymeric materials and derivatized for separation and recovery by pre-parative capillary gas chromatography (PCGC). This technique yields tens of micrograms of pure, stable compounds that canbe converted to graphite and analyzed by accelerator mass spectrometry (AMS). Analysis of model flavor compounds anddated woods indicates that, in most cases, the radiocarbon (14C) contents of the individual compounds, corrected for the con-tribution of the derivative, agree with that of the bulk material to within 20‰.
  • The Impact of Radiocarbon Dating on Old World Archaeology: Past Achievements and Future Expectations

    Bar, Yosef O. (Department of Geosciences, The University of Arizona, 2000-01-01)
  • The Contribution of Radiocarbon Dating to New World Archaeology

    Taylor, R. E. (Department of Geosciences, The University of Arizona, 2000-01-01)
    When introduced almost five decades ago, radiocarbon (14C) dating provided New World archaeologists with a common chronometric scale that transcended the countless site-specific and regional schemes that had been developed by four generations of field researchers employing a wide array of criteria for distinguishing relative chronological phases. A topic of long standing interest in New World studies where 14C values have played an especially critical role is the temporal framework for the initial peopling of the New World. Other important issues where 14C results have been of particular importance include the origins and development of New World agriculture and the determination of the relationship between the western and Mayan calendars. It has been suggested that the great success of 14C was an important factor in redirecting the focus of American archaeological scholarship in the 1960s from chronology building to theory building, led to a noticeable improvement in US archaeological field methods, and provided a major catalyst that moved American archaeologists increasingly to direct attention to analytical and statistical approaches in the manipulation and evaluation of archaeological data.
  • Subfossil Tree Deposits in the Middle Durance (Southern Alps, France): Environmental Changes from Alleröd to Atlantic

    Miramont, C.; Sivan, O.; Rosique, T.; Edouard, J. L.; Jorda, M. (Department of Geosciences, The University of Arizona, 2000-01-01)
    The purpose of this paper is to analyze the numerous holocene subfossil trees (Pinus silvestris) buried in alluvial deposits in the Southern French Alps. These trees lived between the Allerod and Subboreal periods, according to 14C dates. Our dendochronological studies explain the trees' sudden death as due to morphological crisis brought on by climatic oscillations. Tree-ring series could be used to identify the variability of early Holocene atmospheric 14C levels.
  • Southwest Subtropical Pacific Surface Water Radiocarbon in a High-Resolution Coral Record

    Guilderson, Thomas P.; Schrag, Daniel P.; Goddard, Ethan; Kashgarian, Michaele; Wellington, Gerard M.; Linsley, Braddock K. (Department of Geosciences, The University of Arizona, 2000-01-01)
    We have generated a high-resolution coral D14C record from the southwest subtropical Pacific spanning the last 50 yr. Prebomb (1950-1956) Delta-14C values average -52‰. Values begin to increase in 1957, reaching a maximum in the early 1970s, about 10 yr after the atmospheric peak. There is a consistent 10-15‰ seasonal cycle whose relationship with vertical mixing evolves as a consequence of the penetration of the bomb transient into subsurface waters. Comparison of this record with that simulated in an ocean general circulation model highlights the difficulty in modeling vertical exchange processes.
  • Some Comments on Accelerator Mass Spectrometry

    Gove, Harry E. (Department of Geosciences, The University of Arizona, 2000-01-01)
    This paper discusses some aspects of the development of accelerator mass spectrometry (AMS), the international conferences that have been held, and the books that have been written on the subject. It also mentions some details of the technique and its strengths. Some of the interesting measurements that have been made recently are covered, and finally, it presents some thoughts on future developments.
  • Redating Iztapan and Valsequillo, Mexico

    Pichardo, Mario (Department of Geosciences, The University of Arizona, 2000-01-01)
    Recent radiocarbon dating of tephra sequences and biostratigraphic analysis in the Valley of Mexico and the Valley of Puebla, respectively, reveal that the FAD (first appearance date) for lanceolate Lerma/El Jobo points at Iztapan and Hueyatlaco archeological sites at about 14-16,000 BP predates the Clovis culture FAD. A lack of interdisciplinary communication is responsible for the neglect of these sites for three decades.
  • Radiocarbon Updates

    Department of Geosciences, The University of Arizona, 2000-01-01
  • Radiocarbon Updates

    Department of Geosciences, The University of Arizona, 2000-01-01
  • Radiocarbon Reservoir Ages in the Mediterranean Sea and Black Sea

    Siani, Giuseppe; Paterne, Martine; Arnold, Maurice; Bard, Edouard; Métivier, Bernard; Tisnérat, Nadine; Bassinot, Franck (Department of Geosciences, The University of Arizona, 2000-01-01)
    We measured apparent marine radiocarbon ages for the Mediterranean Sea, Black Sea, and Red Sea by accelerator mass spectrometry radiocarbon analyses of 26 modern, pre-bomb mollusk shells collected living between AD 1837 and 1950. The marine reservoir (R(t)) ages were estimated at some 390 +/85 yr BP, 415 +/90 yr BP and 440 +/40 yr BP, respectively. R(t) ages in the Mediterranean Sea and Black Sea are comparable to those for the North Atlantic Ocean (<65 degrees N), inaccordance with the modern oceanic circulation pattern. The Delta-R values of about 35 +/70 yr and 75 +/60 yr in the Mediterranean area show that the global box-diffusion carbon model, used to calculate R(t) ages, reproduces the measured marine 14C R(t) ages in these oceanic areas. Nevertheless, high values of standard deviations, larger than measurement uncertainties are obtained and express decadal R(t) changes. Such large standard deviations are indeed related to a decrease of the apparent marine ages of some 220 yr from 1900 AD to 1930 AD in both the Mediterranean Sea and the western North Atlantic Ocean.

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