Tree-ring δ¹⁸O record of samples from the Tibetan Plateau
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| Natura: | Dataset Open Access |
| Lingua: | en |
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PANGAEA
2016
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| _version_ | 1867167674963853312 |
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| author | Wernicke, Jakob Hochreuther, Philipp Grießinger, Jussi Zhu, Haifeng Wang, Lily Bräuning, Achim |
| author_facet | Wernicke, Jakob Hochreuther, Philipp Grießinger, Jussi Zhu, Haifeng Wang, Lily Bräuning, Achim |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | 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. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_869841 |
| institution | PANGAEA |
| language | en |
| publishDate | 2016 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Tree-ring δ¹⁸O record of samples from the Tibetan Plateau Wernicke, Jakob Hochreuther, Philipp Grießinger, Jussi Zhu, Haifeng Wang, Lily Bräuning, Achim 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. |
| title | Tree-ring δ¹⁸O record of samples from the Tibetan Plateau |
| topic | |
| url | https://doi.org/10.1594/PANGAEA.869841 |