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June 20, 2026Quaternary Science AdvancesOpen Access

Effects of wood degradation on tree-ring stable isotopes used in climate reconstructions

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Authors

NPNatálie PernicováOUOtmar UrbanTKTomáš Kolář

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Overview

Randomized trial tests how wood degradation affects climate reconstructions using tree-ring stable isotopes, implying adjustments for accurate results.

Key Points

  • This research examines the impact of wood degradation on stable isotopes used in climate reconstructions, specifically focusing on holocellulose from archaeological oak samples.
  • Evaluated isotopic values in oak wood samples from southern Germany, focusing on the 1430–1444 CE period.
  • Differentiated samples based on thermal alteration (unaffected, intact, charred) and waterlogged conditions.
  • Assessed δ 13 C and δ 18 O values in various preservation states.
  • Uncharred and moderately charred samples showed no significant isotopic differences in δ 13 C and δ 18 O values.
  • Fully charred samples displayed lower δ 13 C values with preserved interannual variability but no extractable holocellulose.
  • Waterlogged wood had lower surface δ 18 O values, demonstrating weaker coherence with interior values but unchanged δ 13 C.

Cite This Study

Pernicová et al. (2026) studied this question.

synapsesocial.com/papers/6a362ebddb0793dc1a536507https://doi.org/10.1016/j.qsa.2026.100334
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  5. 5Short-term modifications in the chemical structure of wood charcoals: Implications for anthracological investigations2024 · 1 citations