Sentences with phrase «pattern of growth rings»

I conceive of it this way: if a tree has its roots sunk in the watertable along the bottomland of a fairly steady river, a few years of rainfall aren't going to change the pattern of its growth rings.

The basis of dendrochronology lies in a tree's unique pattern of growth rings.

Not exact matches

Schmid's team analyzed tree rings and growth patterns from a variety of juniper in the Karakorum Mountains of Y. pestis» native western Central Asia.

Microscopic imaging reveals the pattern of annual rings in shrub stems, which the researchers used to determine that shrub growth is controlled by temperatures in June, the first month of the brief arctic growing season.

In these temperate zones, trees lay down new trunk each summer but go dormant in winter, creating a pattern of rings that track the intensity of annual growth.

Where there are clear seasons, this can happen in a discrete pattern, leading to what is known as growth rings, as can be seen on the end of a log.

This was done by subtracting the anomalous pattern of growth that emerges over the past couple centuries in these chronologies relative to other tree - ring chronologies that otherwise exhibit very similar patterns of growth back in time, but which are unlikely to be influenced by the same non-climatic factors.

Since tree rings are formed by patterns of growth in a tree, individual rings can tell us about the weather to which the tree was exposed during the year it was formed.

Using computer models of future climate change and analyzing tree - ring growth patterns, the study found that the latter half of this century is likely to be drier than at any time in the past 1,000 years.

Also, running your calculations with other, unrelated sets of tree - ring data might help to decide if my layman's impression (merely from looking at the «age effects» curve) that something is fishy with the 300 + year part of the present data is correct, or if very old trees generally show this kind of erratic growth pattern and my suspicions are thus unfounded and your «year effects» curve correct as - is.

If I understand correctly the graph showing tree ring width dependence on tree age, trees above 300 years old show an increase in tree ring width, which is against the general pattern of exponential growth decline.

People do not normally write of tree - ring growth patterns, coral growths, ice - core data this way.