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I believe that a scientific discipline is only as efficient and important to society as the information available to it. If you've found these pages useful, please consider making a small donation using the Paypal buttons at the top and bottom of this page. Also, to further help offset costs of maintaining this web site, consider buying items from my online bookstore and online tree-ring supply store through

Too often, scientists are overwhelmed with a glut of information about a particular subject, making it difficult to read through and separate the significant material from the unimportant. In the Science of Tree Rings web site, I've organized all facets of dendrochronology into neat groups, each available by clicking on the links at the left or on the slide-out menus that follow. I receive a small percentage (4%) from each sale and all proceeds go towards helping keep these web pages going.

Example: analyzing changes in tree growth patterns via tree rings to date a series of landslide events.

The science that uses tree rings to date and study past and present changes in glaciers.

When done correctly dendrochronology can be used by archaeologists to date the cutting of a tree to within a year. Dendrochronology can only be used effectively in places with distinct seasons because the change in season is what causes distinct tree rings to be produced.

A small book describing the process of construction of a tree-ring chronology from scratch till it becomes several-millennia long. chronology, using species growing in aride climates, for which ring width series matching differs substantialy from that for oak. If the rings don't correlate, how can they be used for archaeology?

We provide a few examples to demonstrate the broad range of work and research we undertake, give a summary of results, and provide a bibliography of published books, academic papers, and general articles.

I've designed these pages to be easily understood by people at all levels of education, from elementary school students to high school students, from first grade teachers to college professors.

We undertake both private and commercial commissions in dendrochronology throughout the UK: Most previous reports are available for purchase and these are listed on the Building page.

The Tree-Ring Services web-site provides further information on our services and dendrochronology and dendroclimatology research. Some of our more recent reports are listed below: Buildings we date by dendrochronology are generally also published in Vernacular Architecture and summaries of the typographic features are available from the Building Archaeological Research Database (BARD).

Together older trees and younger trees are used to create long, chronological, growth sequences that can help us date artifacts and archaeological sites that are hundreds, even, thousands of years old.

The sequence is created by overlaping the tree rings so a long series of rings can be seen.

I've designed these pages to be easily understood by people at all levels of education, from elementary school students to high school students, from first grade teachers to college professors.

We undertake both private and commercial commissions in dendrochronology throughout the UK: Most previous reports are available for purchase and these are listed on the Building page.

The Tree-Ring Services web-site provides further information on our services and dendrochronology and dendroclimatology research. Some of our more recent reports are listed below: Buildings we date by dendrochronology are generally also published in Vernacular Architecture and summaries of the typographic features are available from the Building Archaeological Research Database (BARD).

Together older trees and younger trees are used to create long, chronological, growth sequences that can help us date artifacts and archaeological sites that are hundreds, even, thousands of years old.

The sequence is created by overlaping the tree rings so a long series of rings can be seen.

Definitions The Principle of Cognitive Classification The Principle of Crossdating The Prinicple of Trees as Dynamic Entities The Principle of Plurality and Parsimony The Principle of Aggregate Tree Growth The Principle of Limiting Factors The Principle of Replication across Spatiotemporal Scales The Principle of Site Selection (dendron = tree, chronos = time, logos = word = the science of): The science that uses tree rings dated to their exact year of formation to analyze temporal and spatial patterns of processes in the physical and cultural sciences.