Incremental dating的封面
书籍主题:

Incremental dating

Dendrochronology, Archaeology, Precession, Apsidal precession, Radiometric dating

Civ (2011-10-08 )

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ISBN-13:

978-613-7-33593-2

ISBN-10:
6137335933
EAN:
9786137335932
书籍语言:
英文
作品简介:
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Incremental dating techniques allow the construction of year-by-year annual chronologies, which can be temporally fixed (i.e., linked to the present day and thus calendar or sidereal time) or floating. Archaeologists use tree-ring dating (dendrochronology) to determine the age of old pieces of wood. Trees usually add growth rings on a yearly basis, with the spacing of rings being wider in high growth years and narrower in low growth years. Patterns in tree-ring growth can be used to establish the age of old wood samples, and also give some hints to local climatic conditions. This technique is useful to about 9,000 years ago for samples from the western United States using overlapping tree-ring series from living and dead wood. The Earth's orbital motions (inclination of the earth's axis on its orbit with respect to the sun, gyroscopic precession of the earth's axis every 26,000 years; free precession every 440 days, precession of earth orbit and orbital variations such as perihelion precession every 19,000 and 23,000 years) leave traces visible in the geological record.
出版社 :
Civ
网址:
http://www.alphascript-publishing.com
出版发行由:
Zheng Cirino
页码 :
80
发表日期:
2011-10-08
现货:
备有现货
类别:
矿物学,岩相学
价格:
34.00 €
关键词:
Dendrochronology, Archaeology, Precession, Apsidal, Radiometric, Dating, precession, Radiometrics

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