Dendrochronology (tree ring dating).

Dendrochronology is the dating of the past through the study of tree ring growth. Dendrochronology is based on the principle that most trees produce new growth rings each year, in between their wood and the bark. The thickness of each of the tress rings varies depending on the environmental conditions from year to year. A thick ring will indicate lots of growth, telling you that it was a very wet year. Where as, thin ring …

…are inconsistent.          -         Tree-rings can estimate the minimum-limiting age. However, there are some difficulties in defining the age of the tree. o         Determination the ecesis: the estimation of the length of time between land surface stabilization and seedling establishment o         Determination the year between seedling and the stage at which tree-rings samples can be taken o         Determination of the oldest tree in the area o         False rings o         Missing rings: years of extreme environmental condition