A numerical approach to 14C wiggle-match dating of organic deposits: best fits and confidence intervals

M. Blaauw, G.B.M. Heuvelink, D. Mauquoy, J. van der Plicht, B. van Geel

Research output: Contribution to journalArticleAcademicpeer-review

89 Citations (Scopus)

Abstract

C-14 wiggle-match dating (WMD) of peat deposits uses the non-linear relationship between C-14 age and calendar age to match the shape of a sequence of closely spaced peat C-14 dates with the C-14 calibration curve. A numerical approach to WMD enables the quantitative assessment of various possible wiggle-match solutions and of calendar year confidence intervals for sequences of C-14 dates. We assess the assumptions, advantages, and limitations of the method. Several case-studies show that WMD results in more precise chronologies than when individual C-14 dates are calibrated. WMD is most successful during periods with major excursions in the C-14 calibration curve (e.g., in one case WMD could narrow down confidence intervals from 230 to 36 yr). (C) 2003 Elsevier Science Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)1485-1500
JournalQuaternary Science Reviews
Volume22
DOIs
Publication statusPublished - 2003

Keywords

  • radiocarbon age calibration
  • peat
  • samples
  • pollen
  • dates
  • bogs
  • ams
  • accumulation
  • netherlands
  • curve

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