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Wernicke, Jakob; Hochreuther, Philipp; Grießinger, Jussi; Zhu, Haifeng; Wang, Lily; Bräuning, Achim (2016): Tree-ring δ¹⁸O record of samples from the Tibetan Plateau [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.869841, Supplement to: Wernicke, J et al. (2016): Multi-century humidity reconstructions from the southeastern Tibetan Plateau inferred from tree-ring d18O. Global and Planetary Change, https://doi.org/10.1016/j.gloplacha.2016.12.013

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Abstract:
We present two new multi-century long tree-ring d18O chronologies from the southeastern Tibetan Plateau. The longer chronology dates back to 1353 CE, representing the longest annually resolved d18O chronology in the region, covering 660 years (1353-2012 CE). Both chronologies show strong relations to summer season precipitation, relative humidity, and temperature. We applied linear transfer functions and developed a summer season precipitation and a summer season relative humidity reconstruction. Moisture conditions during the past six centuries were characterized by a more humid period during 1700-1850 CE and a drying trend since the mid-19th century. Spatial correlations between the d18O chronologies and gridded reanalysis data (ERA-20C) revealed strong regional and remote associations to west central Asian, northeastern Europe, and to the western equatorial Pacific. These findings imply a potential influence of (i) atmospheric wave trains emanating from the North Atlantic and (ii) equatorial Pacific sea surface temperatures on the moisture variability over southeastern Tibet.
Coverage:
Median Latitude: 29.935000 * Median Longitude: 95.750000 * South-bound Latitude: 29.450000 * West-bound Longitude: 95.070000 * North-bound Latitude: 30.420000 * East-bound Longitude: 96.430000
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets

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Datasets listed in this publication series

  1. Wernicke, J; Hochreuther, P; Grießinger, J et al. (2016): Tree-ring δ¹⁸O record of samples from site MiMei. https://doi.org/10.1594/PANGAEA.869839
  2. Wernicke, J; Hochreuther, P; Grießinger, J et al. (2016): Tree-ring δ¹⁸O record of samples from site Xinpu. https://doi.org/10.1594/PANGAEA.869840