Sentence examples for annual ring from inspiring English sources
noun
The layer of wood, observed as one of many concentric rings when cut, formed during one year of a plant's growth
where D BH is the basic density of a given annual ring (Ring) at breast-height, Rwidth is the width of the annual ring (mm), a, b, c, d, and f are model parameters estimated from the data, and L is a normally distributed site-level random term with mean zero.
During a boom year of warmth and wetness, a tree will pack on a lot of extra tissue, and its annual ring will correspondingly be fat.
Once the drought conditions have passed, the radial diameters of the cells of the secondary tissues will increase, creating the appearance of a new annual ring.
The analysis of vessel characteristics therefore offers a different time resolution than annual ring width because vessels in tree rings differentiate within days to a few weeks.
In temperate regions the growth period is usually one year, in which case the growth ring may be called an "annual ring". In tropical regions, growth rings may not be discernible or are not annual.
Information on past climates is encoded not only in the number of cells in an annual ring but also in the thickness and composition of the cell walls and in the lumen diameters.
We analyzed δ13C values in annual ring-wood of four shrub willow varieties used for biomass production and phytoremediation at three sites in central New York State (U.S.A).
Eighteen months before the London Olympics the then education secretary Michael Gove scrapped £162m in annual ring-fenced funding for the regional School Sports Partnerships network that linked primary and secondary schools and organised inter-school competition.
The cumulative annual ring-area-weighted moving average proceeding from the pith to the ith cambial age was calculated for density, microfibril angle, modulus of elasticity, fibre coarseness, tracheid wall thickness, tracheid dimensions (radial and tangential diameters) and specific surface area.
Historically, growth rings (also called growth increments) were called annual rings.
In many cases these growth patterns represent annual growth increments analogous to annual rings in trees1.
