13C/12C ratio variations in Pinus longaeva (bristlecone pine) cellulose during the last millennium |
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Authors: | MJ Grinsted AT Wilson CW Ferguson |
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Institution: | 1. Chemistry Department, University of Waikato, Hamilton New Zealand |
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Abstract: | δ13C values are presented for cellulose samples prepared from two dendrochronologically dated Pinus longaeva (bristlecone pine) trees which grew during the last 1000 years. δ13C variations for these lower forest border trees are similar to upper tree line ring-width variations for the same species and English high summer temperature variations for the same time period. However, the δ13C variations appear to be unrelated to lower forest border ring-width variations and cellulose δ D variations for the same specimens. |
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