In 1859, the German-American Jacob Kuechler (1823–1893) used crossdating to examine oaks (Quercus stellata) in order to study the record of climate in western Texas.During the first half of the 20th century, the astronomer A. Douglass founded the Laboratory of Tree-Ring Research at the University of Arizona.It should then be noted that we could often create more than one series from the same site.
Because of our interest in validating or falsifying the currently used middle European oak chronology, we have put some work on synchronizing parts of the Belfast data (using our program CDendro) so that the data can be used in our validation work.
We have to envisage the possibility of failed harvests, famine – and no doubt plague and pestilence as well.
Empires could have been destroyed and vast tracts of land rendered uninhabitable.
We may be beginning to see the start of the Bronze Age in some sort of wider context, involving a package of This sort of package is suggestive that humans were almost certainly involved in the demise of pine trees in Ireland.
However, irrespective of the pine issue, it is clear that some interesting things took place in the 24th century BC.