Elevation-layered dendroclimatic signal in eastern Mediterranean tree rings

Ramzi Touchan, Vladimir V. Shishov, Ivan I. Tychkov, Fatih Sivrikaya, Jihad Attieh, Muzaffer Ketmen, Jean Stephan, Ioannis Mitsopoulos, Andreas Christou, David M. Meko

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

Networks of tree-ring data are commonly applied in statistical reconstruction of spatial fields of climate variables. The importance of elevation to the climatic interpretation of tree-ring networks is addressed using 281 station precipitation records, and a network of 79 tree-ring chronologies from different species and a range of elevations in the eastern Mediterranean. Cluster analysis of chronologies identifies 6 tree-ring groups, delineated principally by site elevation. Correlation analysis suggests several of the clusters are linked to homogenous elevational moisture regimes. Results imply that climate stations close to the elevations of the tree-ring sites are essential for assessing the seasonal climatic signal in tree-ring chronologies from this region. A broader implication is that the elevations of stations contributing to gridded climate networks should be considered in the design and interpretation of field reconstructions of climate from tree rings. Finally, results suggest elevation-stratified tree-ring networks as a strategy for seasonal climate reconstruction.

Original languageEnglish (US)
Article number044020
JournalEnvironmental Research Letters
Volume11
Issue number4
DOIs
StatePublished - Apr 13 2016

Keywords

  • Mediterranean
  • cluster analysis
  • tree-ring network

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Environmental Science(all)
  • Public Health, Environmental and Occupational Health

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    Touchan, R., Shishov, V. V., Tychkov, I. I., Sivrikaya, F., Attieh, J., Ketmen, M., Stephan, J., Mitsopoulos, I., Christou, A., & Meko, D. M. (2016). Elevation-layered dendroclimatic signal in eastern Mediterranean tree rings. Environmental Research Letters, 11(4), [044020]. https://doi.org/10.1088/1748-9326/11/4/044020