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Relevance of Medieval, Egyptian and American Dates to the Study of Climatic and Radiocarbon Variability [and Discussion]

Berger, R. ; J.-C. Pecker ; Grove, J. M.

Philosophical transactions of the Royal Society of London. Series A: Mathematical and physical sciences, 1990-04, Vol.330 (1615), p.517-527 [Periódico revisado por pares]

London: The Royal Society

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  • Título:
    Relevance of Medieval, Egyptian and American Dates to the Study of Climatic and Radiocarbon Variability [and Discussion]
  • Autor: Berger, R. ; J.-C. Pecker ; Grove, J. M.
  • Assuntos: Alpine glaciers ; Calibration ; Dendroclimatology ; Glacial retreat ; Paleoclimatology ; Radiocarbon ; Radiocarbon calibration ; Radiocarbon dating ; Solar activity ; Tombs
  • É parte de: Philosophical transactions of the Royal Society of London. Series A: Mathematical and physical sciences, 1990-04, Vol.330 (1615), p.517-527
  • Descrição: Basic radiocarbon dating and dendrochronology have been combined to yield calibrated dates that are more accurate than conventional radiocarbon dates. This has been shown to be true for medieval and Egyptian dynastic dating. Because radiocarbon is a cosmogenically produced radioisotope, heliomagnetic and geomagnetic fields play a major role in its synthesis in the Earth's upper atmosphere. Inasmuch as a calibrated radiocarbon record exists for nearly 10 000 years, we now seem to possess in the short-time variations of the production rate a history of solar activity expressed via heliomagnetic fields carried by the solar wind. In turn, solar activity has a controlling effect on climate on Earth within modifications provided by the complex interactions of the atmosphere-Earth-ocean system. Both radiocarbon measurements and other empirical research methods agree on variations of climate during historically more recent periods on Earth. This leads to the suggestion that the radiocarbon calibration curve may be also a significant indicator or tracer for climatic changes for the Holocene or the Neolithic-Mesolithic.
  • Editor: London: The Royal Society
  • Idioma: Inglês
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