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Dendrochemical patterns of calcium, zinc, and potassium related to internal factors detected by energy dispersive X-ray fluorescence (EDXRF)
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2014 (English)In: Chemosphere, ISSN 0045-6535, E-ISSN 1879-1298, Vol. 95, 58-62 p.Article in journal (Refereed) Published
Abstract [en]

Energy dispersive X-ray fluorescence (EDXRF) provides highly sensitive and precise spatial resolution of cation content in individual annual growth rings in trees. The sensitivity and precision have prompted successful applications to forensic dendrochemistry and the timing of environmental releases of contaminants. These applications have highlighted the need to distinguish dendrochemical effects of internal processes from environmental contamination. Calcium, potassium, and zinc are three marker cations that illustrate the influence of these processes. We found changes in cation chemistry in tree rings potentially due to biomineralization, development of cracks or checks, heartwood/sapwood differentiation, intraannual p'rocesses, and compartmentalization of infection. Distinguishing internal from external processes that affect dendrochemistry will enhance the value of EDXRF for both physiological and forensic investigations.

Place, publisher, year, edition, pages
2014. Vol. 95, 58-62 p.
Keyword [en]
Dendrochemistry, Cation distribution, Wood calcium, Wood potassium
National Category
Earth and Related Environmental Sciences
URN: urn:nbn:se:su:diva-100093DOI: 10.1016/j.chemosphere.2013.08.017ISI: 000328868400009OAI: diva2:692466


Available from: 2014-01-31 Created: 2014-01-27 Last updated: 2014-01-31Bibliographically approved

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Grudd, Håkan
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Department of Physical Geography and Quaternary Geology
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