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2. Principles of dendrochronology
2.1 Aggregation of several signals
Ring thickness (as well as maximum density and the isotopic signature of the wood) varies in response to various internal factors (biotic factors such as age, longevity, sensitivity, or genetic factors) and external factors (climate, soil, exposure, population dynamics, anthropic action). A tree-ring series can thus be considered as a linear aggregation of several unobserved sub-series, which can be expressed as follows :
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Principles of dendrochronology
Dendroclimatology: trees as recorders of past climate
Bibliography
Digital media
International Tree-Ring DatabBase ITRDB: international database of reference chronologies used in dendroecology http://www.ncdc.noaa.gov/paleo/treering.html
Software tools
The Dendrochronology Program Library: free software suite dedicated to dendrochronological analysis http://www.ltrr.arizona.edu/pub/dpl/
Dendrochronology Program Library in R dpIR: set of r routines for standardizing dendrochronology data
Websites
ITRDB forum: world dendrochronology forum http://www.listserv.arizona.edu/archives/itrdbfor.html
GRISSNO MAYER (H.)'s personal website dedicated to dendrochronology http://www.web.utk.edu/~grissino
Events
WorldDendro: international dendrochronology symposium, held every four years (even-numbered years). http://www.dendro2014.com/
AmériDendro: international dendrochronology symposium organized by the tree-ring society, held every four years (odd-numbered years) on the American continent.
Directory
Organizations – Federations – Associations (non-exhaustive list)
Tree-ring society http://www.treeringsociety.org/
Laboratories – Design offices – Schools – Research centers (non-exhaustive list)
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