(DEN·dro·chro·NOL·o·gy). A chronometric dating method based upon marking time through the analysis of the annual growth rings of trees found in relatively dry climates, e.g., the southwestern United States.
Dating wood (especially in this context, the time of the felling of a tree) by studying tree-ring growth.
The science of dating artefacts and climatic events by analysis of tree rings.
A method of archaeological dating using tree rings.
Photograph of the exposed roots and lower trunk of a tree that has recently eroded out of its entraining glacial sediment, Muir Inlet, Glacier Bay National Park, Alaska. The top of the tree was sheared off by an advance of Muir Glacier ~ 8,000 years ago. The study of tree rings and subfossil wood to provide information about the glacial and climatic history of an area. Photograph of several exposed tree trunks, recently eroded out of glacial-lacustrine sediment, south of the eastern margin of Bering Glacier, Alaska. The slab of wood that was cut from the tree in the foreground will have its rings analyzed and will have samples of individual rings radiocarbon dated. The tree was sheared off by an advance of Being Glacier ~ 1,500 years ago. Photograph by Austin Post. Bering Glacier flows through Wrangell-Saint Elias National Park. September 10, 2001 LANDSAT 7 TM image showing a large disarticulation event occurring at Bering Glacier, Coast Mountains, Alaska. The width of the disarticulation area is ~ 1.0 mile.
the science of dating events and variations in environment in former periods by comparative study of growth rings in trees and aged wood (Source: Webster's Seventh New Collegiate Dictionary, 1963)
A method of numerical dating that uses the number of tree rings found in a cross section of a tree trunk or branch to determine the age of the tree.
A way of dating material from archaeological sites where wood has survived. It is based on the idea that the growth rings of trees – oak has so far been studied – vary from year to year according to weather conditions, and that patterns of greater and lesser growth can be compared from tree to tree and from area to area. By working backward from surviving trees, from timbers in old houses and in even earlier churches, and from timbers from excavated sites, a 'master chronology' can be built up. Any timber discovered in buildings or in waterlogged deposits can then be compared with the growth rings already known. If the outer rings of the tree – the sapwood – are present, a very precise date can be suggested for when the tree was felled. As most wood in the past seems to have been worked and used 'green', such a date will be very close to that of the construction of the feature under investigation.
A method of absolute dating by the analysis and counting of tree growth-rings.
The process of determining the age of a tree or wood used in structures by counting the number of annual growth rings.
de study uh growd rin's on trees.
The scientific study of tree ring patterns, which are linked to develop a continuous chronological sequence. By examining the rings of trees, dendrochronologists can make assumptions about the climatic changes in an area.
The analysis of tree rings to date artifacts.
Tree-ring dating, which uses the distinctive pattern of growth rings in trees to establish the age of a living or dead tree.
the study of the age of trees by counting the rings of xylem growth
the study of growff ringgs on trees.
The study of tree-ring patterns which can be used as the basis for dating a site or assessing its environment.
The science of studying the past by looking at the growth rings on trees.
a system of dating wooden objects by studying the annual growth rings of trees
This is a way of dating past events or climatic changes by a comparative study of annual rings (growth rings) in tree trunks. Depending on annual weather changes, the rings are thinner or thicker, creating a fingerprint-like pattern. Reference charts for such patterns have now been created covering more or less the last couple of thousand years. When compared patterns match, each ring corresponds to an exact and known year. This way an old a piece of wood can be dated. To get an exact year from e.g. pieces of a shipwreck, it's necessary to find a piece that includes "surface wood", closest to the bark, else the dating will be approximate. More info.
The scientific study of the annular growth of trees. Trees produce rings of various thickness annually in response to rainfall. Tree-rings therefore, can be used to reconstruct fluctuations in rainfall in the past, reflecting past climatic conditions.
A science based on the exact calendar dating of annual growth rings in wood.
the study of growth rings on trees.
tree-ring dating, using master sequences for particular species within particular regions. Also used for dendroclimatology.
The use of tree rings dated to their exact year of formation to analyze temporal and spatial patterns of processes in the physical and cultural sciences.
The science of dating by using the patterns of annual growth rings in timber and tree trunks.
the science of studying tree rings
The dating of past events through comparison of successive annual growth rings of trees or old timber. Botanists, foresters and archeologists began using this technique during the early part of the 20th century. (Also called: timber dating, tree-ring dating).
The science of determining the absolute age of tree rings by comparing sequences of wide and narrow rings with those of trees of known ages.
The dating of past events, such as climatic changes, through study of tree ring growth. Botanists, foresters and archaeologists began using this technique during the early part of the 20th century. (source: http://www.sonic.net/bristlecone/dendro.html)
The analysis of the annual growth rings of trees as a means of interpreting past climatic conditions.
The analysis of the annual growth rings of trees, leading to the calculation of significant indices of climate and general chronology of the past. The width of a tree ring was determined by the temperature and/or the moisture that prevailed during the year of its formation. Since stress from temperature and/or moisture variations reduces the width of the seasonal growth of a tree ring, dendrochronology has important application in the study of long-term climatic variations.
Dendrochronology is the science in which tree rings are studied to determine conditions in the past.
Dendrochronology or tree-ring dating is the method of scientific dating based on the analysis of tree-ring growth patterns. This technique was invented and developed during the 20th century originally by A. E. Douglass, the founder of the Laboratory of Tree-Ring Research at the University of Arizona.