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She currently runs a floral studio that uses flowers locally grown in the Hudson Valley, and her Instagram feed is full of perfectly-filtered pictures of breathtaking flower arrangements and her adorable dog.
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co.

Cross correlation dating techniques

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Highlighting the actual correlation of ring widths with climate in tree-ring series makes the cross-dating process more independent from human decisions, so the com-bined cross-dating has the potential to improve the reliability of various dendrochronological studies.Tree-ring widths have globally been used for investi-gating the impact of environmental factors on tree-growth dynamics such as the rising atmospheric CO2 concentration (Gedalof and Berg, 2010) and rapid changes in SO2 and NOx air pollution (Bošeľa ., 2013).

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Modern methods can date such beds to an accuracy typically in the ±2% range, that is, ±2 million years at an age of 100 Ma, although locally, under ideal conditions, accuracy and precision are now considerably better than this (±104–105 years).

He was employed at Caltech's Division of Geological & Planetary Sciences at the time of writing the first edition.

He is presently employed in the Space & Atmospheric Sciences Group at the Los Alamos National Laboratory.

If we are to understand Earth’s climate system thoroughly enough to determine what we might expect from human influences, such as the burning of fossil fuels, a detailed record of past climate change will be of fundamental importance.

That we do not now have such a record is in part because of the difficulty in establishing a time scale precise enough and practical enough to be applicable in deposits formed everywhere on Earth in every possible environmental setting.