期刊
HOLOCENE
卷 23, 期 9, 页码 1221-1226出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0959683613486945
关键词
carbon; dendrochronology; paleoclimatology; Pinus sylvestris; stable isotope; tree-ring
资金
- UK Quaternary Research Association
- Scottish Pine Project
- Leverhulme Trust [F/00268/BG]
To maximise the potential of the tree-ring isotopic signal for palaeoclimate research it is essential to understand and characterise the natural variability between individual trees. This study explores the nature of inter-tree isotopic variability and evaluates the implications for developing robust palaeoclimate reconstructions. We confirm levels of natural inter-tree variability similar to those reported in previous studies, but demonstrate, using a large data set of isotopic measurements determined from individual rings of 100 trees, that to obtain a representative regional environmental signal and to reduce problems when combining records, higher levels of replication than those typically adopted in isotope dendroclimatology may need to be considered.
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